/* roulang page: index */
:root {
    --color-ink: #13161e;
    --color-primary: #E9B62E;
    --color-primary-bright: #FFD75E;
    --color-accent: #FE8E2F;
    --color-bg: #F5F6F8;
    --color-surface: #FFFFFF;
    --color-line: rgba(19, 22, 30, 0.12);
    --color-dark-section: #0B0D12;
    --color-text-secondary: #4B5563;
    --color-success: #17B882;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-card: 0 6px 20px rgba(19, 22, 30, 0.05);
    --shadow-hover: 0 12px 28px rgba(19, 22, 30, 0.10);
    --space-section: 96px;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  }
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-ink);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }
  ul,
  ol {
    list-style: none;
  }
  a {
    color: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
  }
  img {
    max-width: 100%;
    display: block;
    object-fit: cover;
  }
  button,
  input,
  select {
    font-family: inherit;
    border: none;
    outline: none;
  }
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid rgba(233, 182, 46, 0.7);
    outline-offset: 2px;
  }
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .section {
    padding: var(--space-section) 0;
  }

  /* topbar countdown */
  .topbar {
    background: linear-gradient(90deg, #0b0d12, #161a24);
    color: #eaeaf1;
    position: relative;
    z-index: 55;
    font-size: 14px;
  }
  .topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
  }
  .topbar-badge {
    background: var(--color-primary);
    color: #13161e;
    padding: 3px 12px;
    border-radius: 40px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.3px;
    white-space: nowrap;
  }
  .topbar-badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #13161e;
    display: inline-block;
  }
  .topbar-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: rgba(255, 255, 255, 0.85);
  }
  .topbar-count {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
  }
  .topbar-count strong {
    color: #fff;
    font-weight: 600;
  }
  .countdown-wrap {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .count-num {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 6px;
    min-width: 28px;
    padding: 0 5px;
    font-size: 15px;
    font-family: "SF Mono", "Roboto Mono", ui-monospace, monospace;
    font-weight: 700;
    color: var(--color-primary-bright);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-variant-numeric: tabular-nums;
  }
  .count-unit {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
  }
  .topbar-sep {
    color: rgba(255, 255, 255, 0.2);
  }

  /* header & nav */
  .site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-line);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 10px rgba(19, 22, 30, 0.04);
  }
  .nav-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    min-height: 76px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
  }
  .nav-col {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .nav-col.left {
    justify-content: flex-start;
  }
  .nav-col.right {
    justify-content: flex-end;
  }
  .header-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    font-weight: 900;
    font-size: 23px;
    line-height: 1.2;
    color: var(--color-ink);
    letter-spacing: 0.2px;
    background: linear-gradient(135deg, #13161e 60%, var(--color-primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    padding: 8px 4px;
    white-space: nowrap;
  }
  .header-logo:hover {
    opacity: 0.85;
  }
  .site-nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    font-size: 15px;
    color: #344054;
    font-weight: 500;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
  }
  .site-nav-link::after {
    content: "";
    position: absolute;
    bottom: 3px;
    left: 14px;
    right: 14px;
    height: 2px;
    border-radius: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.2s ease;
  }
  .site-nav-link:hover,
  .site-nav-link.is-active {
    color: #13161e;
  }
  .site-nav-link:hover::after,
  .site-nav-link.is-active::after {
    transform: scaleX(1);
  }
  .btn-nav-goal {
    background: #13161e;
    color: var(--color-primary);
    border-radius: 10px;
    padding: 9px 18px;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: 6px;
    transition: background 0.2s ease, transform 0.2s ease, color 0.2s;
  }
  .btn-nav-goal:hover {
    background: var(--color-primary);
    color: #13161e;
    transform: translateY(-1px);
  }
  .nav-toggle {
    display: none;
    background: transparent;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    color: #13161e;
    font-size: 19px;
    cursor: pointer;
  }
  .mobile-drawer {
    background: #fff;
    border-top: 1px solid #eef0f4;
    box-shadow: 0 12px 18px rgba(0, 0, 0, 0.08);
    display: none;
    padding: 12px 20px 16px;
  }
  .mobile-drawer.open {
    display: block;
  }
  .mobile-drawer a {
    display: block;
    padding: 12px 6px;
    font-weight: 600;
    color: #344054;
    border-bottom: 1px solid #f0f1f4;
  }
  .mobile-drawer a:last-child {
    border-bottom: none;
  }
  .mobile-drawer a:hover {
    color: #13161e;
  }

  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 28px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 15px;
    line-height: 1.2;
    gap: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .btn-yellow {
    background: var(--color-primary);
    color: #13161e;
  }
  .btn-yellow:hover {
    background: var(--color-primary-bright);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(233, 182, 46, 0.3);
  }
  .btn-dark {
    background: #13161e;
    color: #ffffff;
    border-color: #13161e;
  }
  .btn-dark:hover {
    background: #232633;
    transform: translateY(-1px);
  }
  .btn-outline-light {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.42);
    color: #ffffff;
  }
  .btn-outline-light:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
  }
  .btn-outline-dark {
    background: #fff;
    border: 1px solid rgba(19, 22, 30, 0.22);
    color: #13161e;
  }
  .btn-outline-dark:hover {
    border-color: var(--color-primary);
    color: #13161e;
  }
  .btn:active {
    transform: scale(0.98);
  }
  .btn-lg {
    min-height: 56px;
    padding: 0 38px;
    font-size: 16px;
  }

  /* hero */
  .hero-section {
    background: linear-gradient(105deg, rgba(0, 0, 0, 0.84) 10%, rgba(0, 0, 0, 0.42) 60%, rgba(0, 0, 0, 0.34) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    background-color: var(--color-dark-section);
    color: #ffffff;
    padding: 112px 0 100px;
    min-height: 650px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
  }
  .hero-section .hero-noise {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 80% 20%, rgba(233, 182, 46, 0.13), transparent 45%);
    pointer-events: none;
  }
  .hero-inner {
    position: relative;
    z-index: 3;
  }
  .hero-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(4px);
    color: var(--color-primary-bright);
    font-weight: 600;
    font-size: 14px;
    border-radius: 50px;
    padding: 5px 16px 5px 10px;
    margin-bottom: 22px;
    letter-spacing: 0.4px;
  }
  .hero-chip i {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #13161e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
  }
  .hero-title {
    width: 100%;
    max-width: 760px;
  }
  .hero-title h1,
  .home-hero-h1 {
    font-size: clamp(30px, 4vw, 44px);
    line-height: 1.2;
    color: #ffffff;
    font-weight: 900;
    letter-spacing: 0.2px;
    margin-bottom: 18px;
  }
  .hero-title strong {
    color: var(--color-primary);
    font-weight: inherit;
  }
  .hero-subtitle {
    font-size: 17px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.80);
    max-width: 620px;
    margin-bottom: 32px;
  }
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
  }
  .hero-note {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.45);
    font-size: 13px;
  }
  .hero-panel {
    background: rgba(10, 13, 18, 0.68);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 28px 26px;
    color: #ffffff;
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4);
  }
  .hero-panel .panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 16px;
    margin-bottom: 18px;
  }
  .panel-head-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
  }
  .panel-head-title i {
    color: var(--color-primary);
  }
  .panel-live-dot {
    font-size: 12px;
    color: var(--color-success);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(23, 184, 130, 0.15);
    border-radius: 20px;
    padding: 3px 11px;
  }
  .live-match-list {
    margin: 18px 0;
  }
  .live-match-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    font-size: 14px;
  }
  .live-match-list li:last-child {
    border-bottom: none;
  }
  .match-league {
    flex: 0 0 34px;
    font-size: 12px;
    background: rgba(255, 255, 255, 0.09);
    border-radius: 6px;
    text-align: center;
    padding: 2px 0;
    color: rgba(255, 255, 255, 0.78);
  }
  .match-teams {
    flex: 1;
    font-weight: 600;
    color: #fff;
  }
  .match-time {
    color: rgba(255, 255, 255, 0.7);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    font-size: 13px;
  }
  .hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 20px;
  }
  .stat-tile {
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 14px 8px;
    border: 1px solid rgba(255, 255, 255, 0.07);
  }
  .stat-num {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
  }
  .stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.68);
    line-height: 1.4;
    margin-top: 6px;
  }

  /* section heading */
  .eyebrow {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .section-head {
    margin-bottom: 40px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
  }
  .section-head h2,
  .section-h2 {
    font-size: clamp(24px, 2.6vw, 32px);
    line-height: 1.3;
    font-weight: 800;
    color: var(--color-ink);
    letter-spacing: 0.2px;
  }
  .section-head-left {
    max-width: 720px;
    display: block;
  }
  .section-head-left p {
    color: var(--color-text-secondary);
    font-size: 16px;
    margin-top: 8px;
  }
  .section-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 14px;
    color: #13161e;
    flex: 0 0 auto;
    background: #fff;
    border: 1px solid #e5e7eb;
    padding: 9px 17px;
    border-radius: 50px;
    transition: all 0.2s;
  }
  .section-more:hover {
    border-color: var(--color-primary);
    color: #13161e;
    background: #fffdf6;
    transform: translateY(-1px);
  }

  /* dashboard / data features */
  .feature-section {
    background: var(--color-bg);
  }
  .feature-split {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 24px;
  }
  .feature-lead {
    background: var(--color-dark-section);
    border-radius: var(--radius-lg);
    color: #fff;
    padding: 36px 32px;
    position: relative;
    overflow: hidden;
    min-height: 340px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-image: linear-gradient(145deg, rgba(0, 0, 0, 0.66), rgba(0, 0, 0, 0.92)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    border: 1px solid rgba(255, 255, 255, 0.09);
  }
  .feature-lead h3 {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    line-height: 1.45;
  }
  .feature-lead h3 span {
    color: var(--color-primary);
  }
  .feature-lead p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.82);
    margin-top: 10px;
    line-height: 1.7;
  }
  .feature-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
  }
  .feature-tag-list span {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 6px;
    color: #fff;
    font-size: 13px;
    padding: 4px 10px;
  }
  .feature-tag-list span i {
    color: var(--color-primary);
    margin-right: 4px;
  }
  .mini-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
  .mini-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: 22px 20px;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
    position: relative;
    overflow: hidden;
  }
  .mini-card:hover {
    transform: translateY(-4px);
    border-color: rgba(233, 182, 46, 0.5);
    box-shadow: var(--shadow-hover);
  }
  .mini-card .icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(233, 182, 46, 0.14);
    color: var(--color-ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 16px;
  }
  .mini-card.warm .icon {
    background: rgba(254, 142, 47, 0.13);
    color: #be5d15;
  }
  .mini-card.green .icon {
    background: rgba(23, 184, 130, 0.13);
    color: #10915f;
  }
  .mini-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #13161e;
    line-height: 1.4;
  }
  .mini-card p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.7;
  }

  /* channel cards */
  .channel-section {
    background: #fff;
  }
  .cards-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }
  .theme-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.22s ease;
  }
  .theme-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(233, 182, 46, 0.6);
  }
  .theme-thumb {
    height: 156px;
    overflow: hidden;
    position: relative;
    display: block;
    background: #10141c;
  }
  .theme-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
  }
  .theme-card:hover .theme-thumb img {
    transform: scale(1.05);
  }
  .theme-thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.4));
  }
  .theme-card-body {
    padding: 22px 20px 24px;
  }
  .theme-card-body h3 {
    font-size: 19px;
    font-weight: 800;
    color: #13161e;
    margin-bottom: 9px;
    line-height: 1.4;
  }
  .theme-card-body p {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: 16px;
    min-height: 66px;
  }
  .theme-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: #13161e;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 2px;
  }
  .theme-card:hover .theme-link {
    color: var(--color-accent);
  }

  /* gallery */
  .gallery-section {
    background: var(--color-dark-section);
    color: #fff;
    overflow: hidden;
  }
  .gallery-section .section-h2 {
    color: #fff;
  }
  .gallery-section .section-head-left p {
    color: rgba(255, 255, 255, 0.68);
  }
  .gallery-masonry {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 118px;
    gap: 15px;
  }
  .g-item {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: #171b26;
  }
  .g-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, opacity 0.3s;
  }
  .g-item:hover img {
    transform: scale(1.06);
    opacity: 0.82;
  }
  .g-item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.04) 45%, rgba(0, 0, 0, 0.7));
  }
  .g-1 {
    grid-column: span 5;
    grid-row: span 2;
  }
  .g-2 {
    grid-column: span 4;
    grid-row: span 1;
  }
  .g-3 {
    grid-column: span 3;
    grid-row: span 1;
  }
  .g-4 {
    grid-column: span 3;
    grid-row: span 2;
  }
  .g-5 {
    grid-column: span 4;
    grid-row: span 2;
  }
  .g-6 {
    grid-column: span 5;
    grid-row: span 1;
  }
  .g-label {
    position: absolute;
    left: 14px;
    bottom: 12px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 80%;
  }
  .g-label .tag {
    font-size: 11px;
    background: var(--color-primary);
    color: #13161e;
    width: fit-content;
    padding: 2px 9px;
    border-radius: 3px;
    font-weight: 700;
  }
  .g-label strong {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
  }
  .g-label span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
  }

  /* CTA band */
  .cta-section {
    background: linear-gradient(180deg, var(--color-primary) -30%, #f0b62a 40%, #ffe07a 130%);
    color: #13161e;
    overflow: hidden;
    position: relative;
  }
  .cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 72px 0;
  }
  .cta-copy {
    max-width: 760px;
  }
  .cta-copy .eyebrow {
    color: #13161e;
  }
  .cta-copy h2 {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 900;
    line-height: 1.3;
    margin: 10px 0 14px;
  }
  .cta-copy p {
    font-size: 16px;
    max-width: 650px;
    color: rgba(19, 22, 30, 0.86);
  }
  .cta-actions {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .cta-note {
    font-size: 13px;
    color: rgba(19, 22, 30, 0.65);
    text-align: center;
  }

  /* FAQ */
  .faq-section {
    background: var(--color-bg);
  }
  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }
  .faq-item {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .faq-item.open {
    border-color: rgba(233, 182, 46, 0.5);
    box-shadow: var(--shadow-card);
  }
  .faq-q {
    width: 100%;
    background: transparent;
    color: var(--color-ink);
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    line-height: 1.5;
    transition: background 0.2s;
  }
  .faq-q:hover {
    background: #fafafb;
  }
  .faq-icon {
    flex: 0 0 26px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(19, 22, 30, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #13161e;
    transition: all 0.2s;
  }
  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--color-primary);
    color: #13161e;
  }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .faq-item.open .faq-a {
    max-height: 400px;
  }
  .faq-a-inner {
    padding: 0 24px 22px;
    border-left: 3px solid var(--color-primary);
    margin-left: 24px;
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.8;
  }

  /* news / latest list */
  .news-section {
    background: #fff;
  }
  .news-card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
  }
  .news-card:hover {
    border-color: rgba(233, 182, 46, 0.66);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
  }
  .news-thumb {
    aspect-ratio: 16 / 9;
    background: var(--color-bg);
    position: relative;
    overflow: hidden;
  }
  .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  .news-card:hover .news-thumb img {
    transform: scale(1.03);
  }
  .news-cat {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 251, 237, 0.93);
    border: 1px solid rgba(233, 182, 46, 0.55);
    color: #13161e;
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    padding: 2px 10px;
    z-index: 3;
    backdrop-filter: blur(3px);
  }
  .news-body {
    padding: 18px 18px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .news-body h3 {
    font-size: 17px;
    font-weight: 800;
    line-height: 1.5;
    margin-bottom: 10px;
  }
  .news-body h3 a {
    color: #13161e;
  }
  .news-body h3 a:hover {
    color: var(--color-accent);
  }
  .news-summary {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
    color: #9aa2ad;
    border-top: 1px solid #f1f2f4;
    padding-top: 12px;
  }
  .news-meta i {
    margin-right: 4px;
  }
  .news-empty {
    border: 1.5px dashed #d9dce1;
    background: #fafbfc;
    border-radius: var(--radius-md);
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #8a919d;
    padding: 40px;
  }
  .news-empty i {
    font-size: 32px;
    color: #c3c9d2;
  }
  .news-empty span {
    font-size: 15px;
  }
  .column-block {
    margin-bottom: 20px;
  }

  /* footer */
  .site-footer {
    background: var(--color-dark-section);
    color: #aeb3be;
    padding: 70px 0 0;
  }
  .footer-top {
    padding-bottom: 28px;
  }
  .site-footer h4 {
    color: #fff;
    font-size: 17px;
    margin-bottom: 14px;
    font-weight: 700;
  }
  .footer-brand {
    padding-right: 16px;
  }
  .footer-logo {
    font-size: 22px;
    font-weight: 900;
    color: #ffffff;
    display: inline-block;
    margin-bottom: 16px;
    background: linear-gradient(90deg, #ffd75e, #ffffff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.56);
    margin-bottom: 18px;
  }
  .footer-social a {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.07);
    color: #aeb3be;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    margin-right: 8px;
    transition: background 0.2s, color 0.2s;
  }
  .footer-social a:hover {
    background: var(--color-primary);
    color: #13161e;
  }
  .footer-link-list li {
    margin-bottom: 9px;
  }
  .footer-link-list a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s, transform 0.2s;
  }
  .footer-link-list a::before {
    content: "";
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 2px;
    transition: background 0.2s;
  }
  .footer-link-list a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
  }
  .footer-link-list a:hover::before {
    background: var(--color-primary);
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
  }
  .footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .icp-slot {
    color: rgba(255, 255, 255, 0.4);
  }

  /* mobile adjustments */
  @media (max-width: 1024px) {
    .nav-col {
      display: none;
    }
    .nav-wrap {
      grid-template-columns: 1fr auto 1fr;
      min-height: 66px;
    }
    .nav-col.mobile-header-left {
      display: flex;
    }
    .nav-toggle {
      display: inline-flex;
    }
    .nav-wrap .header-logo {
      justify-self: center;
    }
    .nav-col.right .btn-nav-goal {
      display: inline-flex;
    }
    .cards-board {
      grid-template-columns: repeat(2, 1fr);
    }
    .feature-split {
      grid-template-columns: 1fr;
    }
    .hero-section {
      padding: 72px 0 70px;
    }
    .gallery-masonry {
      grid-auto-rows: 110px;
    }
  }
  @media (max-width: 768px) {
    :root {
      --space-section: 72px;
    }
    .topbar-inner {
      padding: 0 16px;
    }
    .topbar-text {
      display: none;
    }
    .container,
    .nav-wrap {
      padding-left: 16px;
      padding-right: 16px;
    }
    .section-head {
      flex-direction: column;
      align-items: flex-start;
      gap: 14px;
    }
    .section-more {
      padding: 6px 14px;
      margin-left: 0;
    }
    .hero-title h1,
    .hero-title .home-hero-h1 {
      font-size: 30px;
    }
    .hero-subtitle {
      font-size: 15px;
    }
    .hero-actions {
      gap: 12px;
    }
    .hero-actions .btn {
      width: auto;
    }
    .hero-panel {
      margin-top: 30px;
      padding: 20px;
    }
    .gallery-masonry {
      grid-template-columns: 1fr 1fr;
      grid-auto-rows: auto;
    }
    .g-item {
      grid-column: auto !important;
      grid-row: auto !important;
      height: 160px;
    }
    .mini-card-grid {
      grid-template-columns: 1fr;
    }
    .cards-board {
      grid-template-columns: 1fr;
    }
    .cta-inner {
      flex-direction: column;
      text-align: center;
      padding: 52px 0;
      gap: 20px;
    }
    .cta-copy p {
      margin-left: auto;
      margin-right: auto;
    }
    .cta-actions {
      width: 100%;
      align-items: center;
    }
    .news-summary {
      -webkit-line-clamp: 3;
    }
    .footer-bottom-inner {
      flex-direction: column;
      text-align: center;
    }
    .hero-panel {
      margin-top: 0;
    }
  }
  @media (max-width: 520px) {
    .topbar-left .topbar-badge {
      font-size: 11px;
      padding: 3px 9px;
    }
    .topbar-count {
      font-size: 13px;
    }
    .count-num {
      min-width: 22px;
      font-size: 13px;
    }
    .header-logo {
      font-size: 17px;
    }
    .btn-nav-goal {
      display: none !important;
    }
    .hero-section {
      padding: 58px 0 50px;
    }
    .btn-lg {
      min-height: 50px;
      padding: 0 20px;
    }
    .feature-lead,
    .mini-card {
      min-height: auto;
    }
    .theme-card-body p {
      min-height: auto;
    }
    .news-card .news-body h3 {
      font-size: 16px;
    }
    .faq-q {
      font-size: 15px;
      padding: 16px 16px;
    }
    .faq-a-inner {
      font-size: 14px;
      margin-left: 14px;
      padding-left: 14px;
    }
    .hero-actions .btn {
      width: 100%;
    }
  }

/* roulang page: article */
:root{
  --ink:#13161E;
  --primary:#E9B62E;
  --primary-bright:#FFD75E;
  --accent:#FE8E2F;
  --bg:#F5F6F8;
  --surface:#FFFFFF;
  --line:rgba(19,22,30,0.12);
  --dark-section:#0B0D12;
  --text-secondary:#4B5563;
  --muted:#888C95;
  --success:#17B882;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 6px 20px rgba(19,22,30,0.05);
  --shadow-hover:0 12px 28px rgba(19,22,30,0.10);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
}
ul,ol{
  list-style:none;
}
button,input,textarea,select{
  font-family:inherit;
}
.container{
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(19,22,30,0.07);
}
.nav-wrap{
  max-width:1240px;
  margin:0 auto;
  height:76px;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  padding:0 24px;
}
.nav-col{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-col.left{
  justify-self:start;
}
.nav-col.right{
  justify-self:end;
}
.header-logo{
  font-size:22px;
  font-weight:900;
  letter-spacing:0.5px;
  color:var(--ink);
  white-space:nowrap;
  line-height:1.2;
}
.logo-en{
  color:var(--primary);
}
.site-nav-link{
  display:inline-flex;
  align-items:center;
  padding:9px 15px;
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  color:#2B2F3A;
  transition:color .2s,background .2s;
  position:relative;
}
.site-nav-link:hover{
  background:rgba(233,182,46,0.12);
  color:var(--ink);
}
.site-nav-link.active{
  color:var(--ink);
}
.site-nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:3px;
  transform:translateX(-50%);
  width:18px;
  height:3px;
  border-radius:99px;
  background:var(--primary);
}
.btn-nav-goal{
  margin-left:8px;
  background:var(--ink);
  color:#fff;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 18px;
  font-size:14px;
  font-weight:700;
  border-radius:10px;
  transition:background .2s,transform .2s;
}
.btn-nav-goal i{
  color:var(--primary-bright);
}
.btn-nav-goal:hover{
  background:#1F242F;
  transform:translateY(-1px);
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  font-size:17px;
  color:var(--ink);
  cursor:pointer;
  transition:border .2s,color .2s;
}
.nav-toggle:hover{
  border-color:var(--primary);
  color:var(--primary);
}
.mobile-drawer{
  display:none;
  background:#fff;
  border-top:1px solid rgba(19,22,30,0.06);
  padding:12px 20px 18px;
}
.mobile-drawer.open{
  display:grid;
  gap:4px;
}
.mobile-drawer a{
  padding:12px 14px;
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  color:var(--ink);
}
.mobile-drawer a:hover{
  background:rgba(233,182,46,0.12);
}

/* ===== 面包屑 ===== */
.crumb-wrap{
  background:#fff;
  border-bottom:1px solid rgba(19,22,30,0.06);
  padding:15px 0;
}
.breadcrumb{
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
}
.breadcrumb a{
  color:var(--text-secondary);
  transition:color .2s;
}
.breadcrumb a:hover{
  color:var(--ink);
}
.breadcrumb .sep{
  margin:0 10px;
  color:#C1C4CC;
}
.breadcrumb .current{
  color:var(--ink);
  font-weight:600;
}

/* ===== 文章主体布局 ===== */
.article-main{
  padding:52px 0 80px;
}
.article-container{
  max-width:980px;
  margin:0 auto;
  padding:0 20px;
}

.article-shell{
  background:var(--surface);
  border:1px solid rgba(19,22,30,0.06);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}

/* 文章头部 */
.article-header{
  padding:56px 96px 0;
}
.article-kicker{
  display:flex;
  align-items:center;
  gap:9px;
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  margin-bottom:20px;
}
.article-kicker i{
  color:var(--primary);
}
.article-header h1{
  font-size:34px;
  line-height:1.42;
  font-weight:800;
  word-break:break-word;
  color:var(--ink);
}
.article-meta-line{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  margin-top:20px;
  padding-bottom:24px;
  border-bottom:1px solid rgba(19,22,30,0.07);
  font-size:13px;
  color:var(--muted);
}
.article-meta-line span{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.article-meta-line i{
  color:var(--primary);
  width:14px;
  text-align:center;
}

/* 封面图 */
.article-cover{
  position:relative;
  margin:26px 96px 0;
  border-radius:16px;
  overflow:hidden;
  background:var(--dark-section);
  min-height:260px;
}
.article-cover img{
  width:100%;
  height:360px;
  object-fit:cover;
  object-position:center;
}
.article-cover::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:45%;
  background:linear-gradient(180deg,transparent,rgba(11,13,18,0.7));
  pointer-events:none;
}
.cover-note{
  position:absolute;
  left:18px;
  bottom:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-size:13px;
  letter-spacing:0.4px;
  background:rgba(11,13,18,0.55);
  border:1px solid rgba(255,255,255,0.15);
  backdrop-filter:blur(6px);
  padding:7px 13px;
  border-radius:99px;
}
.cover-note i{
  color:var(--primary-bright);
}

/* ===== 正文排版 ===== */
.article-content{
  padding:40px 96px 8px;
  font-size:16px;
  line-height:2;
  color:var(--ink);
}
.article-content p{
  margin-bottom:26px;
}
.article-content h2{
  margin:46px 0 18px;
  font-size:25px;
  font-weight:800;
  line-height:1.4;
  padding-left:14px;
  border-left:4px solid var(--primary);
}
.article-content h3{
  margin:38px 0 14px;
  font-size:21px;
  font-weight:700;
  line-height:1.5;
}
.article-content h4{
  margin:30px 0 12px;
  font-size:18px;
  font-weight:700;
}
.article-content a{
  color:#B57E0E;
  border-bottom:1px solid rgba(181,126,14,0.35);
  font-weight:500;
}
.article-content a:hover{
  color:var(--ink);
  border-color:var(--ink);
}
.article-content ul,
.article-content ol{
  margin:0 0 26px;
  padding-left:24px;
}
.article-content ul li{
  list-style:disc;
  margin-bottom:7px;
}
.article-content ol li{
  list-style:decimal;
  margin-bottom:7px;
}
.article-content li::marker{
  color:var(--primary);
}
.article-content img{
  border-radius:14px;
  margin:24px 0;
}
.article-content blockquote{
  position:relative;
  margin:30px 0;
  padding:19px 26px 19px 32px;
  background:#F7F3E8;
  border-radius:0 14px 14px 0;
  color:#3E434D;
  font-size:15px;
  line-height:1.9;
}
.article-content blockquote::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:var(--primary);
  border-radius:4px;
}
.article-content blockquote p{
  margin-bottom:0;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:26px 0;
  font-size:14px;
  line-height:1.7;
  border:1px solid rgba(19,22,30,0.08);
  border-radius:8px;
  overflow:hidden;
}
.article-content th{
  background:#F2F3F5;
  font-weight:700;
  text-align:left;
  padding:11px 15px;
  border-bottom:1px solid rgba(19,22,30,0.09);
}
.article-content td{
  padding:10px 15px;
  border-bottom:1px solid rgba(19,22,30,0.05);
}
.article-content tr:last-child td{
  border-bottom:0;
}
.article-content strong{
  font-weight:700;
  color:var(--ink);
}
.article-content .aligncenter,
.article-content .wp-caption{
  margin-left:auto;
  margin-right:auto;
}

/* 文章资料提示框 */
.article-callout{
  display:flex;
  gap:14px;
  background:#FFFDF4;
  border:1px solid rgba(233,182,46,0.45);
  border-radius:14px;
  padding:17px 20px;
  margin:28px 0;
  font-size:14px;
  line-height:1.8;
}
.article-callout i{
  color:var(--primary);
  font-size:20px;
  margin-top:4px;
}

/* 文章底部 */
.article-bottom{
  margin-top:48px;
  padding:26px 96px 30px;
  border-top:1px solid rgba(19,22,30,0.07);
}
.article-footer-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.article-tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:16px;
}
.article-tag-row .tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:rgba(233,182,46,0.13);
  color:#6B520A;
  padding:5px 13px;
  border-radius:99px;
  font-weight:600;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  border-radius:10px;
  cursor:pointer;
  border:0;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border .18s ease;
  font-size:14px;
  padding:11px 20px;
}
.btn:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
.btn:active{
  transform:scale(0.96);
}
.btn-primary{
  background:var(--primary);
  color:var(--ink);
}
.btn-primary:hover{
  background:var(--primary-bright);
  transform:translateY(-2px);
}
.btn-outline{
  background:#fff;
  color:var(--ink);
  border:1px solid rgba(19,22,30,0.2);
}
.btn-outline:hover{
  border-color:var(--primary);
  box-shadow:var(--shadow-sm);
}
.btn-dark{
  background:var(--dark-section);
  color:#fff;
}
.btn-dark:hover{
  background:#252A36;
  transform:translateY(-2px);
}
.article-back-link{
  color:var(--text-secondary);
  font-size:14px;
  font-weight:500;
}
.article-back-link:hover{
  color:var(--ink);
}
.article-back-link i{
  margin-right:6px;
}

/* ===== 延伸阅读 ===== */
.related-section{
  margin-top:58px;
}
.related-title-wrap{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px;
}
.related-title{
  font-size:25px;
  font-weight:800;
  line-height:1.3;
  position:relative;
  padding-left:16px;
}
.related-title::before{
  content:"";
  position:absolute;
  left:0;
  top:4px;
  bottom:4px;
  width:4px;
  border-radius:4px;
  background:var(--primary);
}
.related-sub{
  font-size:13px;
  color:var(--muted);
  line-height:1.6;
  text-align:right;
}
.related-grid.row{
  max-width:100%;
  margin-left:0;
  margin-right:0;
}
.related-card{
  background:var(--surface);
  border:1px solid rgba(19,22,30,0.06);
  border-radius:16px;
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
  display:flex;
  flex-direction:column;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(233,182,46,0.4);
}
.related-card-img{
  position:relative;
  height:172px;
  overflow:hidden;
  background:#E9EAEC;
}
.related-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.related-card:hover .related-card-img img{
  transform:scale(1.04);
}
.related-card-img::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(11,13,18,0.45));
}
.related-card-cate{
  position:absolute;
  left:14px;
  top:12px;
  z-index:2;
  background:rgba(233,182,46,0.92);
  padding:4px 11px;
  border-radius:99px;
  color:var(--ink);
  font-size:12px;
  font-weight:800;
}
.related-card-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.related-card-body h3{
  font-size:17px;
  font-weight:800;
  line-height:1.5;
  color:var(--ink);
}
.related-card-body p{
  font-size:13px;
  color:var(--text-secondary);
  line-height:1.85;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-more{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:700;
  color:#B57E0E;
  transition:color .2s;
}
.related-card:hover .related-more{
  color:var(--ink);
}

/* ===== 未找到状态 ===== */
.missing-panel{
  max-width:680px;
  margin:48px auto 30px;
  background:#fff;
  border:1px dashed rgba(19,22,30,0.18);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:64px 32px;
  text-align:center;
}
.missing-icon{
  width:84px;
  height:84px;
  border-radius:28px;
  background:var(--dark-section);
  margin:0 auto 24px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.missing-icon i{
  font-size:34px;
  color:var(--primary);
}
.missing-panel h1{
  font-size:30px;
  font-weight:900;
  color:var(--ink);
  margin-bottom:16px;
}
.missing-panel p{
  color:var(--text-secondary);
  font-size:15px;
  margin-bottom:28px;
  line-height:1.8;
}
.missing-actions{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:12px;
}
.missing-related-title{
  text-align:center;
  font-size:20px;
  font-weight:800;
  margin:56px 0 28px;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark-section);
  color:rgba(255,255,255,0.8);
  margin-top:40px;
}
.footer-top{
  padding:68px 0 40px;
}
.footer-top .row{
  max-width:100%;
  margin-left:0;
  margin-right:0;
}
.footer-brand .footer-logo{
  font-size:24px;
  font-weight:900;
  color:#fff;
  letter-spacing:1px;
  line-height:1.3;
}
.footer-brand p{
  font-size:14px;
  line-height:2;
  color:rgba(255,255,255,0.52);
  margin-top:20px;
  max-width:420px;
}
.footer-social{
  display:flex;
  gap:10px;
  margin-top:24px;
}
.footer-social a{
  width:38px;
  height:38px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:rgba(255,255,255,0.08);
  color:#fff;
  transition:background .2s,color .2s,transform .2s;
}
.footer-social a:hover{
  background:var(--primary);
  color:var(--ink);
  transform:translateY(-2px);
}
.site-footer h4{
  font-size:16px;
  font-weight:800;
  color:#fff;
  margin-bottom:20px;
}
.footer-link-list{
  display:grid;
  gap:12px;
}
.footer-link-list a{
  font-size:14px;
  color:rgba(255,255,255,0.58);
  transition:color .2s,padding .2s;
}
.footer-link-list a:hover{
  color:var(--primary);
  padding-left:4px;
}
.footer-bottom{
  background:#080A0E;
  padding:20px 0;
}
.footer-bottom-inner{
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 18px;
  font-size:12px;
  color:rgba(255,255,255,0.35);
}
.footer-bottom .icp-slot i{
  color:rgba(255,255,255,0.25);
  margin-right:4px;
}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .article-header{
    padding:48px 64px 0;
  }
  .article-cover{
    margin:24px 64px 0;
  }
  .article-content{
    padding:36px 64px 6px;
  }
  .article-bottom{
    padding:24px 64px 28px;
  }
  .article-cover img{
    height:320px;
  }
}

@media(max-width:768px){
  .nav-wrap{
    grid-template-columns:1fr auto 1fr;
    height:64px;
    padding:0 16px;
    gap:8px;
  }
  .site-nav-link,
  .btn-nav-goal{
    display:none;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .header-logo{
    font-size:19px;
  }
  .article-main{
    padding:34px 0 54px;
  }
  .article-header{
    padding:36px 34px 0;
  }
  .article-header h1{
    font-size:27px;
  }
  .article-kicker{
    font-size:12px;
  }
  .article-cover{
    margin:20px 24px 0;
    border-radius:12px;
  }
  .article-cover img{
    height:220px;
  }
  .article-content{
    padding:30px 34px 0;
    font-size:15px;
    line-height:1.95;
  }
  .article-content h2{
    font-size:22px;
  }
  .article-content h3{
    font-size:19px;
  }
  .article-bottom{
    margin-top:32px;
    padding:22px 34px 26px;
  }
  .article-footer-nav{
    align-items:flex-start;
  }
  .related-title-wrap{
    flex-direction:column;
    align-items:flex-start;
  }
  .related-sub{
    text-align:left;
  }
  .related-grid .columns{
    margin-bottom:18px;
  }
  .footer-top{
    padding:48px 0 20px;
  }
  .footer-top .columns{
    margin-bottom:26px;
  }
  .footer-bottom-inner{
    padding:0 16px;
  }
}

@media(max-width:520px){
  .container{
    padding:0 15px;
  }
  .nav-wrap{
    padding:0 14px;
  }
  .header-logo{
    font-size:17px;
    letter-spacing:0.2px;
  }
  .nav-toggle{
    width:38px;
    height:38px;
  }
  .article-container{
    padding:0 10px;
  }
  .article-header{
    padding:30px 22px 0;
  }
  .article-header h1{
    font-size:23px;
  }
  .article-cover{
    margin:18px 16px 0;
    min-height:150px;
  }
  .article-cover img{
    height:168px;
  }
  .article-cover::after{
    height:100%;
    background:linear-gradient(180deg,transparent 40%,rgba(11,13,18,0.6));
  }
  .cover-note{
    left:10px;
    bottom:8px;
    font-size:11px;
    padding:5px 10px;
  }
  .article-meta-line{
    gap:8px 14px;
    font-size:12px;
  }
  .article-content{
    padding:24px 22px 0;
  }
  .article-bottom{
    padding:20px 22px 24px;
  }
  .article-tag-row{
    gap:7px;
  }
  .btn{
    padding:10px 16px;
  }
  .related-title{
    font-size:21px;
  }
  .missing-panel{
    padding:48px 18px;
  }
  .missing-panel h1{
    font-size:25px;
  }
  .missing-icon{
    width:64px;
    height:64px;
    border-radius:20px;
  }
  .missing-icon i{
    font-size:26px;
  }
  .footer-bottom-inner{
    flex-direction:column;
    text-align:center;
  }
}

/* roulang page: category1 */
:root{
    --color-ink:#13161E;
    --color-primary:#E9B62E;
    --color-primary-bright:#FFD75E;
    --color-accent:#FE8E2F;
    --color-bg:#F5F6F8;
    --color-surface:#FFFFFF;
    --color-line:rgba(19,22,30,0.12);
    --color-dark:#0B0D12;
    --color-text-secondary:#4B5563;
    --color-success:#17B882;
    --radius-sm:6px;
    --radius-md:12px;
    --radius-lg:20px;
    --shadow-sm:0 6px 20px rgba(19,22,30,0.05);
    --shadow-md:0 12px 28px rgba(19,22,30,0.10);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--color-bg);
    color:var(--color-ink);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:inherit;}
button,input,select,textarea{font-family:inherit;outline:none;}
ul,ol{padding:0;margin:0;list-style:none;}
h1,h2,h3,h4,h5,strong,b{font-weight:700;}
::selection{background:rgba(233,182,46,.38);color:#0b0d12;}

.container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:28px;
    padding-right:28px;
}
.section{
    padding:100px 0;
    width:100%;
}
.section-tint{
    background:#F1F2F5;
}
.section-white{
    background:#FFFFFF;
}
.section-head{
    max-width:760px;
    margin-bottom:46px;
}
.section-kicker{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:700;
    color:var(--color-ink);
    background:rgba(233,182,46,.16);
    border:1px solid rgba(233,182,46,.55);
    padding:7px 14px;
    border-radius:999px;
    letter-spacing:.4px;
}
.section-title{
    font-size:32px;
    line-height:1.35;
    margin:22px 0 14px;
    letter-spacing:-.4px;
    color:#0d1017;
}
.section-title .title-light{
    color:#fff;
}
.section-tint .section-title,
.section-white .section-title{
    color:#12141a;
}
.section-lead{
    font-size:16px;
    color:var(--color-text-secondary);
    margin:0;
    line-height:1.85;
}

@media(max-width:640px){
    .section{padding:64px 0;}
    .section-title{font-size:25px;}
}

/* header shared */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    width:100%;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(19,22,30,.08);
}
.nav-wrap{
    max-width:1320px;
    margin:0 auto;
    display:grid;
    grid-template-columns:1fr auto 1fr;
    align-items:center;
    min-height:74px;
    padding:0 20px;
}
.nav-col{
    display:flex;
    align-items:center;
    gap:4px;
}
.nav-col.left{
    justify-content:flex-start;
}
.nav-col.right{
    justify-content:flex-end;
}
.nav-toggle{
    display:none;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    border:1px solid rgba(19,22,30,.12);
    border-radius:9px;
    background:#fff;
    color:#111821;
    font-size:16px;
    cursor:pointer;
    margin-right:8px;
    transition:border-color .2s,background .2s,color .2s;
}
.nav-toggle:hover{
    border-color:var(--color-primary);
    color:#12151b;
}
.header-logo{
    display:inline-flex;
    align-items:center;
    font-size:21px;
    line-height:1;
    font-weight:900;
    letter-spacing:.4px;
    color:#0a0d14;
    white-space:nowrap;
    cursor:pointer;
}
.site-nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    padding:10px 15px;
    font-size:15px;
    font-weight:600;
    color:#242a36;
    border-radius:9px;
    transition:color .2s,background .2s;
}
.site-nav-link::after{
    content:"";
    position:absolute;
    left:16px;
    right:16px;
    bottom:3px;
    height:2px;
    background:var(--color-primary);
    transform:scaleX(0);
    transform-origin:left;
    transition:transform .22s ease;
}
.site-nav-link.is-active{
    color:#0b0d12;
}
.site-nav-link.is-active::after,
.site-nav-link:hover::after{
    transform:scaleX(1);
}
.site-nav-link:hover{
    background:rgba(233,182,46,.07);
    color:#0b0d12;
}
.btn-nav-goal{
    display:inline-flex;
    align-items:center;
    gap:8px;
    min-height:38px;
    padding:0 18px;
    margin-left:12px;
    background:var(--color-ink);
    color:#fff;
    font-size:13px;
    font-weight:700;
    border-radius:999px;
    transition:background .2s,transform .2s,box-shadow .2s;
    box-shadow:0 6px 16px rgba(19,22,30,.13);
}
.btn-nav-goal:hover{
    background:#2a2f3a;
    transform:translateY(-1px);
}
.mobile-drawer{
    display:none;
    background:#fff;
    border-top:1px solid rgba(19,22,30,.08);
    padding:14px 16px 22px;
    flex-direction:column;
    gap:4px;
}
.mobile-drawer.is-open{
    display:flex;
}
.mobile-drawer a{
    display:block;
    padding:14px 14px;
    font-size:15px;
    font-weight:600;
    color:#1e2630;
    border-radius:9px;
}
.mobile-drawer a:hover,
.mobile-drawer a.is-active{
    background:rgba(233,182,46,.11);
    color:#0b0d12;
}

/* buttons */
.btn-solid{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:48px;
    padding:0 26px;
    border-radius:10px;
    font-weight:700;
    font-size:15px;
    line-height:1;
    white-space:nowrap;
    transition:background .2s,transform .2s,box-shadow .2s,color .2s,border-color .2s;
    border:1px solid transparent;
}
.btn-solid:active{
    transform:scale(.98);
}
.btn-solid:focus-visible{
    outline:2px solid var(--color-primary);
    outline-offset:3px;
}
.btn-gold{
    background:var(--color-primary);
    color:#0e1015;
}
.btn-gold:hover{
    background:var(--color-primary-bright);
    color:#0e1015;
    transform:translateY(-2px);
    box-shadow:0 10px 22px rgba(233,182,46,.28);
}
.btn-dark{
    background:var(--color-ink);
    color:#fff;
}
.btn-dark:hover{
    background:#262b35;
    color:#fff;
    transform:translateY(-2px);
}
.btn-outline-light{
    background:transparent;
    color:#fff;
    border-color:rgba(255,255,255,.7);
}
.btn-outline-light:hover{
    background:rgba(255,255,255,.1);
    color:#fff;
    border-color:#fff;
}
.btn-outline-dark{
    background:transparent;
    color:#11141a;
    border-color:rgba(19,22,30,.4);
}
.btn-outline-dark:hover{
    border-color:#101319;
    background:rgba(19,22,30,.05);
    color:#0d1015;
}

/* page banner */
.material-banner{
    position:relative;
    background:#10131a url('/assets/images/backpic/back-2.png') center 30% / cover no-repeat;
    color:#fff;
    padding:64px 0 68px;
    border-bottom:1px solid rgba(255,255,255,.06);
}
.material-banner::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,rgba(11,13,18,.96) 0%,rgba(11,13,18,.82) 48%,rgba(11,13,18,.42) 100%);
}
.material-banner .container{
    position:relative;
    z-index:1;
}
.crumb{
    font-size:13px;
    color:rgba(255,255,255,.68);
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-bottom:28px;
}
.crumb a{
    color:rgba(255,255,255,.9);
}
.crumb a:hover{
    color:var(--color-primary);
}
.crumb i{
    opacity:.65;
}
.banner-pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 14px;
    background:rgba(233,182,46,.14);
    border:1px solid rgba(233,182,46,.55);
    color:#ffda70;
    font-size:13px;
    font-weight:700;
    border-radius:999px;
    margin-bottom:20px;
    letter-spacing:.4px;
}
.material-banner h1{
    font-size:44px;
    line-height:1.25;
    letter-spacing:-.5px;
    color:#fff;
    margin:0 0 18px;
    max-width:820px;
    font-weight:900;
}
.material-banner p{
    color:rgba(255,255,255,.82);
    max-width:700px;
    font-size:17px;
    line-height:1.85;
    margin:0 0 32px;
}
.banner-btns{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
}
.banner-tags{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin:30px 0 0;
    padding-top:28px;
    border-top:1px solid rgba(255,255,255,.16);
}
.banner-tags span{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:13px;
    color:rgba(255,255,255,.78);
    background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.13);
    padding:6px 11px;
    border-radius:999px;
}
.banner-tags i{
    color:var(--color-primary);
}
@media(max-width:768px){
    .material-banner h1{font-size:31px;}
    .material-banner p{font-size:16px;}
    .material-banner{padding:52px 0 44px;}
}

/* timeline */
.timeline{
    position:relative;
    max-width:1000px;
    margin:34px auto 0;
}
.timeline::before{
    content:"";
    position:absolute;
    left:50%;
    top:6px;
    bottom:6px;
    width:2px;
    background:rgba(19,22,30,.13);
    transform:translateX(-50%);
}
.timeline-row{
    position:relative;
    width:50%;
    padding:0 52px 34px 0;
    text-align:right;
}
.timeline-row:nth-child(odd){
    margin-right:auto;
}
.timeline-row:nth-child(even){
    margin-left:auto;
    padding:0 0 34px 52px;
    text-align:left;
}
.timeline-row::after{
    content:"";
    position:absolute;
    top:28px;
    right:-10px;
    width:20px;
    height:20px;
    background:#fff;
    border:5px solid var(--color-primary);
    border-radius:50%;
    box-shadow:0 0 0 3px #fff;
}
.timeline-row:nth-child(even)::after{
    right:auto;
    left:-10px;
}
.tl-year{
    display:inline-block;
    padding:5px 13px;
    border-radius:999px;
    background:#12151d;
    color:#ffd866;
    font-size:13px;
    font-weight:700;
    letter-spacing:.5px;
    margin-bottom:10px;
}
.timeline-content{
    background:#fff;
    border:1px solid rgba(19,22,30,.09);
    border-radius:16px;
    padding:20px 22px;
    text-align:left;
    box-shadow:var(--shadow-sm);
    transition:box-shadow .25s,transform .2s;
}
.timeline-content:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-3px);
}
.timeline-content h3{
    margin:0 0 8px;
    font-size:18px;
    color:#191c23;
}
.timeline-content p{
    margin:0;
    color:#5b626f;
    font-size:14px;
    line-height:1.8;
}
@media(max-width:786px){
    .timeline::before{
        left:9px;
        transform:none;
    }
    .timeline-row,
    .timeline-row:nth-child(odd),
    .timeline-row:nth-child(even){
        width:100%;
        margin:0 0 18px;
        padding:0 0 4px 42px;
        text-align:left;
    }
    .timeline-row::after,
    .timeline-row:nth-child(even)::after{
        left:0;
        right:auto;
        width:18px;
        height:18px;
        border-width:4px;
    }
    .timeline-content{
        border-radius:14px;
    }
}

/* resource module */
.materials-grid{
    display:grid;
    grid-template-columns:repeat(12,1fr);
    gap:20px;
    margin-top:4px;
}
.res-card{
    background:#fff;
    border:1px solid rgba(19,22,30,.08);
    border-radius:18px;
    padding:26px 26px 24px;
    box-shadow:var(--shadow-sm);
    transition:transform .22s,box-shadow .22s,border-color .22s;
    position:relative;
    display:flex;
    flex-direction:column;
}
.res-card:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-3px);
    border-color:rgba(233,182,46,.6);
}
.res-card-icon{
    width:48px;
    height:48px;
    border-radius:14px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:19px;
    color:#0f1218;
    background:rgba(233,182,46,.22);
    margin-bottom:18px;
}
.res-card h3{
    font-size:19px;
    margin:0 0 10px;
    color:#161a22;
}
.res-card p{
    font-size:14px;
    color:#5d6370;
    line-height:1.8;
    margin:0 0 18px;
}
.res-card-link{
    margin-top:auto;
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    font-weight:700;
    color:#111920;
}
.res-card-link i{
    transition:transform .2s;
    color:var(--color-primary);
}
.res-card-link:hover i{
    transform:translateX(4px);
}
.res-card--lead{
    grid-column:span 5;
    background:#101319;
    color:#fff;
    border-color:#101319;
}
.res-card--lead .res-card-icon{
    background:rgba(233,182,46,.18);
    color:#f3ca5f;
}
.res-card--lead h3{
    color:#fff;
}
.res-card--lead p{
    color:rgba(255,255,255,.72);
}
.res-card--lead .res-card-link{
    color:#ffda70;
}
.res-card--next{
    grid-column:span 4;
}
.res-card--next.edge{
    grid-column:span 3;
}
@media(max-width:900px){
    .res-card--lead,
    .res-card--next,
    .res-card--next.edge{
        grid-column:span 12;
    }
}

/* foundation split / hit materials */
.hit-feature{
    background:#fff;
    border:1px solid rgba(19,22,30,.08);
    border-radius:20px;
    overflow:hidden;
    display:flex;
    flex-direction:column;
    box-shadow:var(--shadow-sm);
    height:100%;
    transition:box-shadow .25s,transform .2s;
}
.hit-feature:hover{
    box-shadow:var(--shadow-md);
    transform:translateY(-3px);
}
.hit-feature-cover{
    position:relative;
    overflow:hidden;
}
.hit-feature-cover img{
    width:100%;
    height:230px;
    object-fit:cover;
    transition:transform .4s ease;
}
.hit-feature-cover:hover img{
    transform:scale(1.04);
}
.hit-feature-cover::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(19,22,30,0) 0%,rgba(19,22,30,.45) 100%);
}
.hit-feature-cover .cover-label{
    position:absolute;
    left:16px;
    top:16px;
    z-index:2;
    background:rgba(233,182,46,.92);
    color:#11141a;
    font-size:12px;
    font-weight:800;
    border-radius:999px;
    padding:5px 12px;
}
.hit-feature-body{
    padding:24px;
}
.hit-feature-body h3{
    font-size:20px;
    margin:0 0 10px;
}
.hit-feature-body p{
    color:#5c6270;
    font-size:14px;
    margin:0 0 16px;
    line-height:1.8;
}
.hit-tags{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
}
.hit-tags span{
    font-size:12px;
    color:#4b5563;
    border:1px solid rgba(19,22,30,.12);
    border-radius:999px;
    padding:5px 10px;
    background:#fff;
}
.material-side-list{
    display:flex;
    flex-direction:column;
    gap:16px;
    height:100%;
}
.side-material{
    background:#fff;
    border:1px solid rgba(19,22,30,.08);
    border-radius:16px;
    box-shadow:var(--shadow-sm);
    padding:20px;
    transition:box-shadow .2s,border-color .2s,transform .2s;
}
.side-material:hover{
    box-shadow:var(--shadow-md);
    border-color:rgba(233,182,46,.55);
    transform:translateY(-2px);
}
.side-material-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    margin-bottom:8px;
}
.mini-tag{
    background:rgba(233,182,46,.14);
    color:#12151c;
    font-size:12px;
    font-weight:700;
    padding:4px 9px;
    border-radius:999px;
}
.mini-date{
    color:#8a919d;
    font-size:12px;
}
.side-material h3{
    font-size:16px;
    color:#191c23;
    line-height:1.6;
    margin:0 0 8px;
}
.side-material h3 a:hover{
    color:#b8860a;
}
.side-material p{
    color:#69707d;
    font-size:14px;
    line-height:1.7;
    margin:0;
}

/* project channel */
.channel-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.channel-panel{
    position:relative;
    display:flex;
    align-items:flex-end;
    border-radius:20px;
    min-height:240px;
    overflow:hidden;
    isolation:isolate;
    padding:26px;
    box-shadow:var(--shadow-sm);
    color:#fff;
    transition:transform .25s,box-shadow .25s;
}
.channel-panel img{
    position:absolute;
    inset:0;
    width:100%;
    height:100%;
    object-fit:cover;
    z-index:-2;
    transition:transform .45s ease;
}
.channel-panel::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(11,13,18,0) 20%,rgba(11,13,18,.88) 100%);
    z-index:-1;
}
.channel-panel:hover{
    transform:translateY(-5px);
    box-shadow:var(--shadow-md);
}
.channel-panel:hover img{
    transform:scale(1.05);
}
.channel-inner{
    position:relative;
    z-index:1;
}
.channel-inner h3{
    font-size:20px;
    color:#fff;
    margin:0 0 8px;
}
.channel-inner p{
    color:rgba(255,255,255,.82);
    font-size:14px;
    margin:0 0 14px;
    line-height:1.7;
}
.channel-link{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:700;
    color:#ffe28a;
}
.channel-link i{
    transition:transform .2s;
}
.channel-link:hover i{
    transform:translateX(4px);
}
@media(max-width:860px){
    .channel-grid{
        grid-template-columns:1fr;
    }
}

/* faq */
.accordion.faq-accordion{
    margin:0;
}
.faq-accordion .accordion-item{
    background:#fff;
    border:1px solid rgba(19,22,30,.1);
    border-radius:14px;
    margin-bottom:14px;
    box-shadow:var(--shadow-sm);
    overflow:hidden;
    transition:border-color .2s,box-shadow .2s;
}
.faq-accordion .accordion-item:hover{
    border-color:rgba(233,182,46,.5);
}
.faq-accordion .accordion-title{
    position:relative;
    padding:20px 70px 20px 24px;
    font-size:16px;
    line-height:1.55;
    font-weight:700;
    color:#171c26;
    background:#fff;
    cursor:pointer;
    display:block;
}
.faq-accordion .accordion-title::before{
    display:none !important;
}
.faq-accordion .accordion-title::after{
    content:"\f078";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    position:absolute;
    right:22px;
    top:50%;
    width:30px;
    height:30px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    transform:translateY(-50%);
    border-radius:50%;
    background:rgba(233,182,46,.18);
    color:#16181d;
    font-size:13px;
    transition:transform .25s,background .25s,color .25s;
}
.faq-accordion .accordion-item.is-active>.accordion-title::after{
    content:"\f077";
    background:var(--color-primary);
    color:#0d1017;
}
.faq-accordion .accordion-content{
    background:#fafbfc;
    border-top:1px solid rgba(19,22,30,.07);
    padding:18px 24px 22px !important;
    color:#4b5563;
    font-size:15px;
    line-height:1.85;
}
.faq-accordion .accordion-content p{
    margin:0;
}

/* cta */
.cta-block{
    background:linear-gradient(120deg,var(--color-primary) 0%,#f1c445 62%,var(--color-primary-bright) 100%);
    color:#0b0d12;
}
.cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:36px;
    padding:58px 0;
}
.cta-copy h2{
    font-size:29px;
    line-height:1.35;
    margin:0 0 10px;
    color:#0d1015;
}
.cta-copy p{
    font-size:15px;
    color:rgba(13,16,21,.78);
    margin:0;
}
.cta-inner .btn-solid{
    min-width:150px;
}
@media(max-width:840px){
    .cta-inner{
        flex-direction:column;
        align-items:flex-start;
    }
}

/* footer */
.site-footer{
    background:#0a0c10;
    color:#fff;
}
.footer-top{
    padding:70px 0 46px;
}
.footer-brand-footer-logo{
    font-size:21px;
    font-weight:900;
    letter-spacing:.5px;
}
.footer-brand p{
    font-size:14px;
    color:rgba(255,255,255,.6);
    line-height:1.85;
    margin-top:10px;
}
.footer-social{
    display:flex;
    gap:10px;
    margin-top:20px;
}
.footer-social a{
    width:40px;
    height:40px;
    border-radius:11px;
    border:1px solid rgba(255,255,255,.14);
    background:rgba(255,255,255,.03);
    color:rgba(255,255,255,.75);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    transition:background .2s,color .2s,transform .2s,border-color .2s;
}
.footer-social a:hover{
    background:var(--color-primary);
    border-color:var(--color-primary);
    color:#12151b;
    transform:translateY(-2px);
}
.footer-link-list li{
    margin-bottom:10px;
}
.footer-link-list a{
    color:rgba(255,255,255,.68);
    font-size:14px;
    transition:color .2s,padding-left .2s;
}
.footer-link-list a:hover{
    color:var(--color-primary);
    padding-left:4px;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.09);
    padding:20px 0;
}
.footer-bottom-inner{
    max-width:1200px;
    margin:0 auto;
    padding:0 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    color:rgba(255,255,255,.5);
    font-size:13px;
}
.icp-slot i{
    color:var(--color-primary);
    margin-right:5px;
}
@media(max-width:700px){
    .footer-bottom-inner{
        flex-direction:column;
        align-items:flex-start;
        gap:8px;
    }
}

/* common responsive clear */
@media(max-width:1100px){
    .nav-wrap{
        grid-template-columns:50px 1fr 50px;
        padding:0 12px;
        min-height:66px;
    }
    .nav-col.left{
        justify-content:flex-start;
    }
    .nav-col.right{
        justify-content:flex-end;
    }
    .nav-toggle{
        display:inline-flex;
    }
    .site-nav-link,
    .btn-nav-goal{
        display:none;
    }
    .header-logo{
        justify-self:center;
        font-size:18px;
    }
}

/* roulang page: category2 */
:root {
            --color-ink: #13161E;
            --color-primary: #E9B62E;
            --color-primary-bright: #FFD75E;
            --color-accent: #FE8E2F;
            --color-bg: #F5F6F8;
            --color-surface: #FFFFFF;
            --color-line: rgba(19, 22, 30, 0.12);
            --color-dark-section: #0B0D12;
            --color-text-secondary: #4B5563;
            --color-success: #17B882;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 6px 20px rgba(19, 22, 30, 0.05);
            --shadow-hover: 0 14px 30px rgba(19, 22, 30, 0.10);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            background: var(--color-bg);
            color: var(--color-ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--color-ink);
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
        }

        a:hover {
            color: var(--color-ink);
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid rgba(233, 182, 46, 0.65);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 88px 0;
        }

        .section-alt {
            background: var(--color-surface);
        }

        .section-tint {
            background: #ECEFF3;
        }

        .section-head {
            margin-bottom: 52px;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            background: rgba(254, 142, 47, 0.1);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .section-head h2 {
            font-size: 30px;
            line-height: 1.3;
            font-weight: 700;
            margin: 0 0 12px;
            padding-left: 14px;
            border-left: 4px solid var(--color-primary);
        }

        .section-head .section-desc {
            max-width: 760px;
            color: var(--color-text-secondary);
            font-size: 15px;
            margin: 0;
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-line);
        }

        .nav-wrap {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            height: 72px;
            padding: 0 24px;
        }

        .nav-col {
            display: flex;
            align-items: center;
            flex: 1;
            gap: 6px;
        }

        .nav-col.left {
            justify-content: flex-start;
        }

        .nav-col.right {
            justify-content: flex-end;
        }

        .header-logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.02em;
            white-space: nowrap;
            color: var(--color-ink);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            line-height: 1.2;
        }

        .header-logo:hover {
            color: var(--color-ink);
        }

        .site-nav-link {
            position: relative;
            display: inline-block;
            padding: 8px 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: 4px;
            line-height: 1.4;
        }

        .site-nav-link::after {
            content: "";
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: 2px;
            height: 2px;
            border-radius: 999px;
            background: var(--color-primary);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.2s ease;
        }

        .site-nav-link:hover {
            color: var(--color-ink);
        }

        .site-nav-link:hover::after,
        .site-nav-link.is-active::after {
            transform: scaleX(1);
        }

        .site-nav-link.is-active {
            color: var(--color-ink);
            font-weight: 700;
        }

        .btn-nav-goal {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-left: 10px;
            background: var(--color-dark-section);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            border-radius: 999px;
            padding: 9px 17px;
            border: 1px solid transparent;
            transition: all 0.2s ease;
        }

        .btn-nav-goal:hover {
            background: var(--color-primary);
            color: var(--color-ink);
            transform: translateY(-2px);
        }

        .btn-nav-goal:active {
            transform: scale(0.97);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--color-line);
            border-radius: 8px;
            width: 40px;
            height: 40px;
            color: var(--color-ink);
            font-size: 17px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease;
        }

        .nav-toggle:hover {
            background: rgba(233, 182, 46, 0.14);
        }

        .mobile-drawer {
            display: none;
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
            padding: 8px 0 12px;
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer a {
            display: block;
            padding: 12px 24px;
            font-size: 15px;
            color: var(--color-text-secondary);
            border-bottom: 1px solid rgba(19, 22, 30, 0.04);
        }

        .mobile-drawer a:hover {
            background: rgba(233, 182, 46, 0.1);
            color: var(--color-ink);
            padding-left: 28px;
        }

        /* 通用按钮 */
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-dark-section);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 700;
            border-radius: 10px;
            height: 48px;
            padding: 0 28px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-main:hover {
            background: var(--color-primary);
            color: var(--color-ink);
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(19, 22, 30, 0.12);
        }

        .btn-main:active {
            transform: scale(0.98);
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-primary);
            color: var(--color-dark-section);
            font-size: 15px;
            font-weight: 700;
            border-radius: 10px;
            height: 48px;
            padding: 0 28px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-light:hover {
            background: var(--color-primary-bright);
            color: var(--color-dark-section);
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(233, 182, 46, 0.2);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 10px;
            height: 48px;
            padding: 0 24px;
            border: 1px solid rgba(255, 255, 255, 0.55);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn-outline-light:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(233, 182, 46, 0.06);
        }

        /* Hero */
        .guide-hero {
            position: relative;
            background: var(--color-dark-section);
            color: #fff;
            padding: 92px 0 86px;
            overflow: hidden;
        }

        .guide-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 1;
        }

        .guide-hero::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(11, 13, 18, 0.9), transparent);
            z-index: 2;
            pointer-events: none;
        }

        .guide-hero-inner {
            position: relative;
            z-index: 3;
        }

        .guide-hero .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(233, 182, 46, 0.15);
            border: 1px solid rgba(233, 182, 46, 0.45);
            color: var(--color-primary-bright);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }

        .guide-hero h1 {
            font-size: 40px;
            line-height: 1.25;
            font-weight: 800;
            margin: 0 0 18px;
            letter-spacing: 0.01em;
        }

        .guide-hero h1 .hl {
            color: var(--color-primary);
        }

        .guide-hero .lead {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.74);
            max-width: 560px;
            margin: 0 0 30px;
            line-height: 1.9;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-metric-panel {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 20px;
            padding: 32px 26px;
            backdrop-filter: blur(8px);
            display: grid;
            gap: 20px;
        }

        .metric-line {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 14px;
        }

        .metric-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(233, 182, 46, 0.18);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .metric-line strong {
            display: block;
            color: #fff;
            font-size: 15px;
            line-height: 1.35;
        }

        .metric-line span {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        /* 标准步骤区 */
        .step-section {
            background: var(--color-bg);
        }

        .step-rail {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding-left: 0;
        }

        .step-rail::before {
            content: "";
            position: absolute;
            left: 68px;
            top: 46px;
            bottom: 46px;
            width: 2px;
            background: rgba(233, 182, 46, 0.25);
            z-index: 0;
        }

        .step-item {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 38px;
            margin-bottom: 30px;
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-meta {
            width: 138px;
            flex-shrink: 0;
            text-align: center;
        }

        .step-order {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 74px;
            height: 74px;
            border-radius: 50%;
            background: var(--color-dark-section);
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 22px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            box-shadow: 0 0 0 7px rgba(233, 182, 46, 0.12);
            margin-top: 12px;
        }

        .step-body {
            flex: 1;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-left: 4px solid var(--color-primary);
            border-radius: 16px;
            padding: 30px 32px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .step-body:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .step-body .step-caption {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            margin-bottom: 6px;
        }

        .step-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 10px;
        }

        .step-body p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            margin: 0;
        }

        .step-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }

        .tag {
            background: rgba(233, 182, 46, 0.15);
            color: #4a3d08;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            line-height: 1.5;
        }

        .tag-muted {
            background: rgba(19, 22, 30, 0.06);
            color: var(--color-text-secondary);
        }

        /* 图文分段区块 */
        .flow-section {
            background: #fff;
        }

        .flow-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .flow-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(233, 182, 46, 0.45);
        }

        .flow-media {
            height: 240px;
            overflow: hidden;
            background: #eee;
        }

        .flow-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .flow-card:hover .flow-media img {
            transform: scale(1.03);
        }

        .flow-copy {
            padding: 28px 28px 30px;
            flex: 1;
        }

        .flow-mark {
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            margin-bottom: 12px;
            display: block;
        }

        .flow-copy h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 0 0 12px;
        }

        .flow-copy p {
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.85;
            margin: 0 0 16px;
        }

        .flow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            border-bottom: 1px solid var(--color-primary);
            padding-bottom: 2px;
            color: var(--color-ink);
        }

        .flow-link i {
            color: var(--color-accent);
            transition: transform 0.2s ease;
        }

        .flow-link:hover i {
            transform: translateX(4px);
        }

        /* 场景速览 */
        .scenes-section {
            background: #EEF1F4;
        }

        .scene-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 24px;
        }

        .scene-feature {
            background:
                linear-gradient(145deg, rgba(255, 255, 255, 0.05), transparent),
                var(--color-dark-section);
            border-radius: 20px;
            padding: 38px 34px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 320px;
            box-shadow: 0 16px 38px rgba(11, 13, 18, 0.2);
        }

        .scene-feature .feature-tag {
            display: inline-flex;
            align-self: flex-start;
            background: rgba(233, 182, 46, 0.16);
            color: var(--color-primary-bright);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 13px;
            margin-bottom: 24px;
        }

        .scene-feature h3 {
            font-size: 26px;
            line-height: 1.4;
            font-weight: 800;
            margin: 0 0 14px;
        }

        .scene-feature p {
            color: rgba(255, 255, 255, 0.62);
            font-size: 15px;
            line-height: 1.9;
            margin: 0 0 24px;
        }

        .scene-feature .btn-main {
            align-self: flex-start;
        }

        .scene-mini-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }

        .scene-mini-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: 16px;
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all 0.22s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .scene-mini-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(233, 182, 46, 0.4);
        }

        .scene-mini-card .mini-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(233, 182, 46, 0.18);
            color: #7a6208;
            font-size: 16px;
        }

        .scene-mini-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin: 0;
        }

        .scene-mini-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* 最新动态提示条 */
        .notice-panel {
            background: var(--color-surface);
            border-radius: 20px;
            border: 1px solid var(--color-line);
            padding: 36px 38px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 26px;
            box-shadow: var(--shadow-sm);
        }

        .notice-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: var(--color-dark-section);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .notice-content {
            flex: 1;
            min-width: 280px;
        }

        .notice-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .notice-list {
            margin: 0;
            padding: 0;
            list-style: none;
            display: grid;
            gap: 6px;
        }

        .notice-list li {
            position: relative;
            padding-left: 18px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .notice-list li::before {
            content: "\f111";
            font-family: "Font Awesome 6 Free";
            font-weight: 700;
            font-size: 6px;
            color: var(--color-primary);
            position: absolute;
            left: 0;
            top: 9px;
        }

        .notice-badge {
            background: rgba(233, 182, 46, 0.16);
            color: #5d4a06;
            font-size: 13px;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 999px;
            white-space: nowrap;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .faq-item[open] {
            border-color: rgba(233, 182, 46, 0.55);
            box-shadow: 0 12px 26px rgba(19, 22, 30, 0.05);
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.6;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-icon {
            position: relative;
            width: 26px;
            height: 26px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(233, 182, 46, 0.18);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.2s ease, background 0.2s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--color-dark-section);
            border-radius: 2px;
        }

        .faq-icon::before {
            width: 10px;
            height: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 10px;
        }

        .faq-item[open] .faq-icon {
            background: var(--color-primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px 24px 24px;
            border-left: 3px solid rgba(233, 182, 46, 0.45);
            margin-left: 24px;
            margin-right: 18px;
            margin-bottom: 18px;
            background: #FAFAF6;
            border-radius: 0 8px 8px 0;
            color: var(--color-text-secondary);
            font-size: 14px;
            line-height: 1.9;
        }

        .faq-answer p {
            margin: 0;
        }

        /* CTA */
        .cta-section {
            padding: 72px 0 96px;
            background: var(--color-dark-section);
        }

        .cta-panel {
            max-width: 960px;
            margin: 0 auto;
            background: var(--color-primary);
            border-radius: 22px;
            padding: 52px 48px;
            color: var(--color-dark-section);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .cta-copy h2 {
            font-size: 24px;
            line-height: 1.4;
            font-weight: 800;
            margin: 0 0 10px;
        }

        .cta-copy p {
            font-size: 15px;
            color: rgba(19, 22, 30, 0.72);
            margin: 0;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-ink {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 50px;
            padding: 0 26px;
            background: var(--color-dark-section);
            color: var(--color-primary);
            border-radius: 10px;
            font-weight: 700;
            font-size: 15px;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .btn-ink:hover {
            background: #fff;
            color: #13161E;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(19, 22, 30, 0.18);
        }

        .btn-transparent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 50px;
            padding: 0 22px;
            background: transparent;
            border: 1px solid rgba(19, 22, 30, 0.45);
            border-radius: 10px;
            color: var(--color-dark-section);
            font-weight: 700;
            font-size: 15px;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .btn-transparent:hover {
            background: rgba(19, 22, 30, 0.08);
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark-section);
            color: #fff;
            padding-top: 66px;
        }

        .footer-top {
            padding-bottom: 30px;
        }

        .site-footer .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-brand p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            line-height: 1.9;
            margin: 18px 0 22px;
            padding-right: 28px;
        }

        .footer-social {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.72);
            font-size: 13px;
            transition: all 0.2s ease;
        }

        .footer-social a:hover {
            background: var(--color-primary);
            color: var(--color-dark-section);
            transform: translateY(-3px);
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-link-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 10px;
        }

        .footer-link-list a {
            color: rgba(255, 255, 255, 0.52);
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-link-list a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
        }

        .footer-bottom-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: rgba(255, 255, 255, 0.42);
            font-size: 13px;
        }

        .footer-bottom-inner .icp-slot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .scene-grid {
                grid-template-columns: 1fr;
            }

            .step-rail::before {
                left: 50px;
            }

            .step-meta {
                width: 110px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .section-head h2 {
                font-size: 25px;
            }

            .nav-wrap {
                height: 64px;
                padding: 0 16px;
            }

            .site-nav-link,
            .btn-nav-goal {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .header-logo {
                font-size: 18px;
            }

            .guide-hero {
                padding: 64px 0 60px;
            }

            .guide-hero h1 {
                font-size: 31px;
            }

            .guide-hero .lead {
                font-size: 15px;
            }

            .hero-metric-panel {
                margin-top: 30px;
                padding: 24px;
            }

            .hero-cta-group .btn-main,
            .hero-cta-group .btn-outline-light {
                width: 100%;
            }

            .step-rail::before {
                display: none;
            }

            .step-item {
                display: block;
            }

            .step-meta {
                width: auto;
                text-align: left;
                margin-bottom: 12px;
            }

            .step-order {
                margin: 0;
                width: 58px;
                height: 58px;
                font-size: 18px;
            }

            .step-body {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .section-head h2 {
                font-size: 22px;
            }

            .guide-hero h1 {
                font-size: 27px;
            }

            .guide-hero .lead {
                font-size: 14px;
            }

            .hero-metric-panel .metric-line {
                flex-wrap: wrap;
            }

            .scene-mini-grid {
                grid-template-columns: 1fr;
            }

            .flow-media {
                height: 200px;
            }

            .notice-panel {
                padding: 24px;
            }

            .faq-item summary {
                font-size: 15px;
                padding: 17px 16px;
            }

            .faq-answer {
                margin-left: 12px;
                margin-right: 12px;
                padding: 0 16px 16px;
                font-size: 13px;
            }

            .cta-panel {
                padding: 34px 24px;
            }

            .cta-actions .btn-ink,
            .cta-actions .btn-transparent {
                width: 100%;
            }

            .footer-bottom-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category3 */
:root {
  --color-ink: #13161E;
  --color-primary: #E9B62E;
  --color-primary-bright: #FFD75E;
  --color-accent: #FE8E2F;
  --color-bg: #F5F6F8;
  --color-surface: #FFFFFF;
  --color-line: rgba(19,22,30,0.12);
  --color-dark-section: #0B0D12;
  --color-secondary-text: #4B5563;
  --color-success: #17B882;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 6px 20px rgba(19,22,30,0.05);
  --shadow-card-hover: 0 12px 28px rgba(19,22,30,0.10);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button,
input {
  font-family: inherit;
}

ul,
ol,
dl,
dd,
figure {
  margin: 0;
  padding: 0;
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 全站头部 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 78px;
  display: grid;
  grid-template-columns: minmax(160px, 1fr) auto minmax(160px, 1fr);
  align-items: center;
  gap: 20px;
}

.logo-centering {
  text-align: center;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  line-height: 1.2;
  white-space: nowrap;
}

.nav-col {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-col.left {
  justify-content: flex-start;
}

.nav-col.right {
  justify-content: flex-end;
}

.site-nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  color: #39404E;
  padding: 10px 2px 12px;
  transition: color .2s ease;
}

.site-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--color-primary);
  transition: width .2s ease;
}

.site-nav-link:hover {
  color: var(--color-ink);
}

.site-nav-link:hover::after {
  width: 100%;
}

.site-nav-link.active {
  color: var(--color-ink);
}

.site-nav-link.active::after {
  width: 100%;
}

.btn-nav-goal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  padding: 0 18px;
  background: var(--color-ink);
  color: #fff;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--color-ink);
  transition: background .2s ease, color .2s ease, transform .15s ease;
}

.btn-nav-goal:hover {
  background: var(--color-ink);
  color: var(--color-primary-bright);
  transform: translateY(-2px);
}

.btn-nav-goal:focus-visible,
.site-nav-link:focus-visible,
.header-logo:focus-visible {
  outline: 2px solid rgba(233, 182, 46, 0.55);
  outline-offset: 4px;
  border-radius: 4px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--color-ink);
  color: #fff;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

.mobile-drawer {
  max-height: 0;
  overflow: hidden;
  background: #fff;
  border-top: 0 solid transparent;
  transition: max-height .28s ease, border-color .28s ease;
}

.mobile-drawer.open {
  max-height: 500px;
  border-top: 1px solid var(--color-line);
}

.mobile-drawer a {
  display: block;
  padding: 14px 24px;
  border-bottom: 1px solid rgba(19,22,30,0.06);
  color: var(--color-ink);
  font-weight: 600;
  font-size: 15px;
}

.mobile-drawer a:hover {
  background: #FAF7EC;
  color: #A97F0B;
}

@media (max-width: 1024px) {
  .nav-wrap {
    grid-template-columns: 1fr auto 1fr;
    padding: 0 16px;
    gap: 12px;
  }

  .site-nav-link {
    font-size: 14px;
  }

  .nav-col {
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .nav-col .site-nav-link,
  .nav-col .btn-nav-goal {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-logo {
    font-size: 21px;
  }
}

@media (max-width: 520px) {
  .header-logo {
    font-size: 18px;
  }

  .nav-wrap {
    min-height: 66px;
  }

  .nav-toggle {
    width: 38px;
    height: 38px;
    font-size: 14px;
  }
}

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 28px;
}

.breadcrumb-wrap a:hover {
  color: var(--color-primary-bright);
}

.breadcrumb-wrap i {
  font-size: 11px;
  color: rgba(255,255,255,.42);
}

/* ===== 分类 Hero ===== */
.rule-hero {
  position: relative;
  padding: 88px 0 72px;
  background: var(--color-dark-section) url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.rule-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgba(11,13,18,.96) 8%, rgba(11,13,18,.82) 52%, rgba(11,13,18,.6) 100%);
  z-index: 1;
}

.rule-hero .container {
  position: relative;
  z-index: 2;
}

.rule-hero h1 {
  font-size: 50px;
  line-height: 1.18;
  color: #fff;
  font-weight: 800;
  margin: 0 0 18px;
}

.rule-hero h1 .hero-brand {
  color: #fff;
}

.rule-hero h1 .hero-dot {
  margin: 0 8px;
  color: var(--color-primary);
}

.rule-hero h1 .hero-cat {
  color: var(--color-primary);
}

.rule-hero-lead {
  max-width: 620px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 28px;
}

.hero-action-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 22px;
}

.hero-hint {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 4px;
}

.hero-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-meta-strip span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}

.hero-meta-strip i {
  color: var(--color-primary);
}

/* ===== 按钮体系 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 50px;
  padding: 0 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid rgba(233, 182, 46, 0.6);
  outline-offset: 3px;
}

.btn-ghost-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.46);
  color: #fff;
}

.btn-ghost-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: translateY(-2px);
}

.btn-yellow {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-ink);
}

.btn-yellow:hover {
  background: var(--color-primary-bright);
  border-color: var(--color-primary-bright);
  color: var(--color-ink);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(233, 182, 46, 0.25);
}

.btn-dark {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: #fff;
}

.btn-dark:hover {
  background: #000;
  border-color: #000;
  color: var(--color-primary-bright);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(19,22,30,.14);
}

/* ===== 通用段落 ===== */
.section-padding {
  padding: 96px 0;
}

.section-padding-sm {
  padding: 72px 0;
}

.section-bg-white {
  background: var(--color-surface);
}

.section-head {
  max-width: 780px;
  margin-bottom: 50px;
}

.section-head h2 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 31px;
  line-height: 1.3;
  color: var(--color-ink);
  font-weight: 800;
  margin: 0 0 14px;
}

.section-head h2::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 28px;
  margin-top: 4px;
  border-radius: 4px;
  background: var(--color-primary);
}

.section-head .section-desc {
  font-size: 15px;
  color: var(--color-secondary-text);
  margin: 6px 0 0 17px;
  max-width: 680px;
}

/* ===== 快速确认三卡 ===== */
.quick-three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.quick-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.quick-card .quick-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(233, 182, 46, .14);
  color: #B8860B;
  font-size: 18px;
  margin-bottom: 16px;
}

.quick-card h3 {
  font-size: 19px;
  line-height: 1.45;
  margin: 0 0 8px;
  font-weight: 700;
}

.quick-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-secondary-text);
  margin: 0;
}

@media (max-width: 900px) {
  .quick-three {
    grid-template-columns: 1fr;
  }
}

/* ===== 通用规则条目 ===== */
.rule-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px 44px;
  background: #fff;
  padding: 36px 8px 8px;
}

.rule-line-item {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 8px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 28px;
}

.rule-line-item .rule-no {
  font-size: 30px;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.rule-line-item h3 {
  font-size: 19px;
  line-height: 1.5;
  color: var(--color-ink);
  margin: 0 0 8px;
  font-weight: 700;
}

.rule-line-item p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-secondary-text);
  margin: 0;
}

.rule-list-compact {
  margin-top: 18px;
}

@media (max-width: 900px) {
  .rule-list {
    grid-template-columns: 1fr;
    padding: 8px 0;
    gap: 26px;
  }
}

/* ===== 拆分布局：图 + 口径表 ===== */
.data-split {
  display: grid;
  grid-template-columns: 0.9fr 1.35fr;
  gap: 46px;
  align-items: center;
}

.data-figure {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
  background: #fff;
  border: 1px solid var(--color-line);
}

.data-figure img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform .4s ease;
}

.data-figure:hover {
  transform: translateY(-4px);
}

.data-figure figcaption {
  padding: 14px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-secondary-text);
  background: #fff;
}

.table-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.table-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-line);
}

.table-panel-title h3 {
  font-size: 18px;
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink);
}

.table-panel-title h3 i {
  color: var(--color-primary);
}

.table-panel-title span {
  font-size: 13px;
  color: var(--color-secondary-text);
}

.table-scroll {
  overflow-x: auto;
}

.table-normal {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.table-normal th,
.table-normal td {
  text-align: left;
  padding: 14px 20px;
  font-size: 14px;
  line-height: 1.7;
  border-bottom: 1px solid var(--color-line);
}

.table-normal th {
  background: #F8F8FA;
  color: var(--color-ink);
  font-weight: 700;
  min-width: 120px;
}

.table-normal td {
  color: var(--color-secondary-text);
}

.table-normal tr:last-child th,
.table-normal tr:last-child td {
  border-bottom: 0;
}

@media (max-width: 1024px) {
  .data-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .data-figure img {
    height: 300px;
  }
}

/* ===== 查阅提示 ===== */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tip-panel {
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--color-line);
  background: #fff;
  box-shadow: var(--shadow-card);
  transition: box-shadow .2s ease, transform .2s ease;
}

.tip-panel:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.tip-panel.is-warning {
  border-left: 4px solid var(--color-accent);
}

.tip-panel.is-main {
  border-left: 4px solid var(--color-primary);
}

.tip-panel.is-info {
  border-left: 4px solid #7A8B99;
}

.tip-panel .fa-solid {
  font-size: 22px;
  margin-bottom: 12px;
  color: var(--color-ink);
}

.tip-panel h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--color-ink);
}

.tip-panel p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-secondary-text);
  margin: 0;
}

@media (max-width: 1024px) {
  .tips-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 920px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-item[open] {
  border-color: rgba(233, 182, 46, 0.7);
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
  transition: background .2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  background: #FAFAF5;
}

.faq-item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 24px;
  border-radius: 4px;
  background: var(--color-primary);
}

.faq-item summary .fa-plus {
  margin-left: auto;
  color: var(--color-accent);
  font-size: 14px;
  transition: transform .2s ease;
}

.faq-item[open] summary .fa-plus {
  transform: rotate(45deg);
  color: var(--color-ink);
}

.faq-answer {
  padding: 0 26px 22px 66px;
  background: #FAFBFC;
  border-top: 1px solid var(--color-line);
}

.faq-answer p {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-secondary-text);
}

.faq-answer p strong {
  color: var(--color-ink);
}

/* ===== CTA ===== */
.cta-section {
  padding: 76px 0 96px;
}

.cta-box {
  position: relative;
  border-radius: 26px;
  padding: 64px 48px;
  background: var(--color-primary);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: 0 18px 46px rgba(233, 182, 46, 0.18);
}

.cta-box::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 240px;
  height: 240px;
  background: rgba(255,215,94,.5);
  border-radius: 50%;
}

.cta-copy {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.cta-copy h2 {
  font-size: 31px;
  line-height: 1.35;
  color: var(--color-ink);
  margin: 0 0 14px;
  font-weight: 800;
}

.cta-copy h2 i {
  margin-right: 8px;
}

.cta-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(19,22,30,.78);
  margin: 0;
}

.cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  flex: 0 0 auto;
}

@media (max-width: 900px) {
  .cta-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 40px 24px;
  }

  .cta-actions {
    width: 100%;
  }
}

/* ===== 全站页脚 ===== */
.site-footer {
  background: var(--color-dark-section);
  color: rgba(255, 255, 255, 0.72);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  max-width: 1240px;
  margin: 0 auto;
  padding: 68px 24px 36px;
}

.footer-brand .footer-logo {
  display: inline-block;
  font-size: 25px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .56);
  max-width: 360px;
  margin: 0 0 18px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .72);
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.footer-social a:hover {
  color: var(--color-ink);
  background: var(--color-primary);
  transform: translateY(-2px);
}

.site-footer h4 {
  color: rgba(255,255,255,.95);
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 16px;
}

.footer-link-list {
  list-style: none;
  margin: 0;
}

.footer-link-list li {
  margin-bottom: 10px;
}

.footer-link-list a {
  font-size: 13px;
  color: rgba(255, 255, 255, .58);
  transition: color .2s ease;
}

.footer-link-list a:hover {
  color: var(--color-primary-bright);
}

.footer-top .row {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 16px;
}

.footer-top .columns {
  flex: 1 1 160px;
  min-width: 140px;
}

.footer-top .footer-brand {
  flex: 2 1 360px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
}

.footer-bottom-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px 24px;
  font-size: 13px;
  color: rgba(255,255,255,.42);
}

.footer-bottom-inner a {
  color: rgba(255,255,255,.55);
  transition: color .2s ease;
}

.footer-bottom-inner a:hover {
  color: var(--color-primary-bright);
}

.icp-slot i {
  margin-right: 5px;
}

/* ===== 响应式增强 ===== */
@media (max-width: 1024px) {
  .section-padding {
    padding: 72px 0;
  }

  .section-padding-sm {
    padding: 56px 0;
  }

  .section-head h2 {
    font-size: 27px;
  }
}

@media (max-width: 640px) {
  .rule-hero h1 {
    font-size: 34px;
  }

  .rule-hero-lead {
    font-size: 15px;
  }

  .section-head h2 {
    font-size: 23px;
  }

  .rule-line-item {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .rule-line-item .rule-no {
    font-size: 22px;
  }

  .cta-copy h2 {
    font-size: 24px;
  }

  .btn {
    width: 100%;
    padding: 0 18px;
  }
}

/* roulang page: category4 */
:root {
  --ink: #13161e;
  --shadow-ink: #0b0d12;
  --dark-section: #0b0d12;
  --panel-dark: #151a24;
  --line-dark: rgba(255,255,255,.14);
  --primary: #e9b62e;
  --primary-bright: #ffd75e;
  --accent: #fe8e2f;
  --bg-light: #f5f6f8;
  --surface: #ffffff;
  --line: rgba(19,22,30,.12);
  --text-secondary: #4b5563;
  --text-remote: #8b95a6;
  --success: #17b882;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --shadow-card: 0 6px 20px rgba(19,22,30,.05);
  --shadow-card-hover: 0 12px 28px rgba(19,22,30,.1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:98px}
body{font-family:var(--font-sans);background:var(--bg-light);color:var(--ink);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
ul{list-style:none}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section-dark{background:var(--dark-section)}
.highlight{color:var(--primary)}
section[data-anchor]{position:relative}
h1,h2,h3,h4{line-height:1.25;color:var(--ink)}
h1{font-size:44px;font-weight:800;letter-spacing:.5px}
h2{font-size:31px;font-weight:700}
h3{font-size:20px;font-weight:600}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--accent);text-transform:uppercase;background:rgba(254,142,47,.1);padding:6px 14px;border-radius:999px;margin-bottom:18px}
.section-head{margin-bottom:44px;max-width:760px}
.section-head p{margin-top:14px;color:var(--text-secondary);font-size:16px}
.section-title{display:flex;align-items:flex-start;gap:14px}
.section-title i{color:var(--primary);margin-top:10px;font-size:24px}
.section-title h2{color:var(--ink)}
/* 通用按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:0 28px;height:48px;font-weight:600;font-size:15px;border:1px solid transparent;transition:all .2s ease;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--primary);color:var(--ink);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-bright);transform:translateY(-2px);box-shadow:0 8px 22px rgba(233,182,46,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:#222836;color:#fff}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35);color:#fff;backdrop-filter:blur(6px)}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:var(--primary)}
.btn-outline-light:focus-visible,.btn-primary:focus-visible,.btn-dark:focus-visible{outline:3px solid rgba(233,182,46,.45);outline-offset:2px}
.btn:active{transform:scale(.98)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;font-size:14px;transition:color .2s}
.link-arrow:hover{color:var(--accent)}
/* 头部导航 */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(245,246,248,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(19,22,30,.08);box-shadow:0 4px 18px rgba(19,22,30,.05)}
.nav-wrap{max-width:1280px;margin:0 auto;padding:14px 28px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}
.nav-col{display:flex;align-items:center;gap:6px}
.nav-col.left{justify-content:flex-start}
.nav-col.right{justify-content:flex-end}
.header-logo{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:var(--primary);font-weight:900;font-size:21px;letter-spacing:1px;padding:12px 20px;border-radius:12px;text-decoration:none;line-height:1.2;box-shadow:0 4px 14px rgba(19,22,30,.18);transition:transform .2s}
.header-logo:hover{transform:translateY(-2px);background:#1c212b}
.site-nav-link{position:relative;display:inline-flex;align-items:center;padding:9px 15px;font-size:15px;font-weight:500;color:#3a4250;border-radius:9px;transition:color .2s,background .2s}
.site-nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;background:var(--primary);border-radius:99px;transform:scaleX(0);transform-origin:center;transition:transform .25s ease}
.site-nav-link:hover{color:var(--ink);background:rgba(19,22,30,.04)}
.site-nav-link.is-active{color:var(--ink);font-weight:700;background:rgba(233,182,46,.12)}
.site-nav-link.is-active::after{transform:scaleX(1)}
.site-nav-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-nav-goal{display:inline-flex;align-items:center;gap:7px;background:var(--primary);color:var(--ink);height:38px;padding:0 16px;border-radius:9px;font-size:14px;font-weight:700;margin-left:6px;transition:background .2s,transform .2s;white-space:nowrap}
.btn-nav-goal:hover{background:var(--primary-bright);transform:translateY(-1px)}
.nav-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;background:transparent;color:var(--ink);font-size:21px;border-radius:10px;border:1px solid rgba(19,22,30,.14);cursor:pointer}
.mobile-drawer{display:none;background:var(--dark-section);padding:10px 22px 18px;border-top:1px solid var(--line-dark)}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:13px 8px;color:#e8ecf2;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08)}
.mobile-drawer a:hover{color:var(--primary)}
/* Hero */
.activity-hero{background-color:var(--dark-section);background-image:linear-gradient(105deg,rgba(7,9,14,.95) 22%,rgba(11,13,18,.85) 60%,rgba(19,22,30,.68)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;padding:104px 0 92px;color:#fff;position:relative;overflow:hidden}
.activity-hero::after{content:"";position:absolute;right:-140px;bottom:-190px;width:430px;height:430px;background:radial-gradient(circle,rgba(233,182,46,.14),transparent 68%);pointer-events:none}
.hero-activity-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center;position:relative;z-index:2}
.activity-hero-copy .hero-kicker{display:inline-flex;align-items:center;gap:9px;background:rgba(233,182,46,.14);border:1px solid rgba(233,182,46,.35);color:var(--primary-bright);padding:7px 13px;border-radius:999px;font-size:13px;font-weight:600}
.hero-kicker i{margin-right:5px}
.activity-hero h1{color:#fff;font-size:45px;margin:24px 0 18px;line-height:1.2}
.activity-hero h1 .highlight{color:var(--primary)}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:30px 27px;backdrop-filter:blur(12px)}
.panel-title{display:flex;align-items:center;gap:10px;font-size:18px;color:#fff;font-weight:700;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:15px;margin-bottom:18px}
.panel-title i{color:var(--primary);font-size:20px}
.panel-list li{display:flex;gap:11px;align-items:flex-start;padding:10px 0;font-size:15px;color:rgba(255,255,255,.76)}
.panel-list li i{color:var(--primary);margin-top:5px;width:16px;font-size:12px}
.panel-list li b{color:#fff;font-weight:600}
.hero-tag-group{display:flex;flex-wrap:wrap;gap:9px;margin-top:19px;padding-top:17px;border-top:1px solid rgba(255,255,255,.12)}
.hero-tag{display:inline-flex;padding:6px 13px;background:rgba(233,182,46,.15);color:var(--primary-bright);border:1px solid rgba(233,182,46,.25);border-radius:999px;font-size:13px;transition:all .2s}
.hero-tag:hover{background:rgba(233,182,46,.28);color:#fff}
/* 通用文字 */
.section-head{max-width:760px}
.text-small{font-size:14px;color:var(--text-secondary)}
/* 主推活动 */
.feature-section{padding:80px 0 40px;background:var(--bg-light)}
.top-feature-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow-card);padding:30px 30px 0;position:relative}
.feature-badge{display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.5px;margin-bottom:12px;text-transform:uppercase}
.feature-badge i{font-size:16px}
.top-feature-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:42px;align-items:center}
.feature-media{position:relative;border-radius:16px 16px 0 0;overflow:hidden;display:block;height:350px;background:#1b202a}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.38));display:block}
.section-head .left{margin-bottom:25px}
.feature-intro{display:flex;align-items:flex-start;gap:17px;margin-bottom:24px}
.feature-intro .num-icon{width:48px;height:48px;border-radius:14px;background:var(--primary);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:21px;flex-shrink:0}
/* 活动列表区 */
.latest-section{background:#fff;border-top:1px solid var(--line);padding:98px 0}
.latest-layout{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.big-activity-card{position:relative;border-radius:20px;overflow:hidden;background:var(--dark-section);min-height:520px;box-shadow:var(--shadow-card-hover);display:flex}
.big-activity-card::before{content:"";position:absolute;inset:0;background:url('/assets/images/coverpic/cover-4.png') center/cover no-repeat;opacity:.72;transition:transform .4s}
.big-activity-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,13,18,.15) 0%,rgba(11,13,18,.35) 55%,rgba(5,7,10,.95) 100%)}
.big-card-content{position:relative;z-index:3;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;padding:38px 36px;height:100%;min-height:520px}
.big-tag{display:inline-flex;align-items:center;gap:7px;background:var(--primary);padding:5px 13px;border-radius:999px;font-size:13px;color:var(--ink);font-weight:800;margin-bottom:15px}
.big-activity-card h3{color:#fff;font-size:30px;line-height:1.3;margin-bottom:13px;font-weight:800}
.big-desc{color:rgba(255,255,255,.82);font-size:16px;line-height:1.85;margin-bottom:23px;max-width:520px}
.big-card-meta{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px}
.big-card-meta span{background:rgba(255,255,255,.13);color:#fff;border-radius:999px;padding:5px 11px;font-size:13px;border:1px solid rgba(255,255,255,.18)}
.big-links{display:flex;gap:13px}
.list-activity{display:flex;flex-direction:column;gap:16px}
.compact-activity{background:var(--surface);border:1px solid var(--line);border-radius:18px;display:flex;gap:15px;overflow:hidden;transition:box-shadow .24s,border-color .24s,transform .2s}
.compact-activity:hover{box-shadow:var(--shadow-card-hover);border-color:rgba(233,182,46,.55);transform:translateY(-2px)}
.compact-media{position:relative;width:116px;min-height:138px;flex-shrink:0;overflow:hidden;display:block}
.compact-media img{width:100%;height:100%;object-fit:cover}
.compact-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 55%,rgba(11,13,18,.18))}
.compact-content{padding:17px 16px 16px 0;display:flex;flex-direction:column;justify-content:center;min-width:0}
.compact-cat{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.4px;display:inline-flex;align-items:center;gap:5px;margin-bottom:6px}
.compact-content h3{font-size:16px;color:var(--ink);line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.compact-content p{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.compact-status{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--success);font-weight:700}
.compact-status i{font-size:9px}
/* 进行中的活动流程 */
.process-section{padding:98px 0;background:#f4f5f7}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.process-item{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 24px;position:relative;transition:box-shadow .25s,transform .2s;box-shadow:var(--shadow-card)}
.process-item:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px)}
.step-number{font-family:Georgia,serif;font-size:34px;color:rgba(233,182,46,.3);font-weight:800;position:absolute;top:16px;right:20px;line-height:1}
.step-icon{width:48px;height:48px;background:var(--ink);color:var(--primary);border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:21px}
.process-item h3{font-size:18px;margin-bottom:9px}
.process-item p{font-size:14px;color:var(--text-secondary);line-height:1.75}
.process-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;background:rgba(233,182,46,.1);border:1px dashed rgba(233,182,46,.45);border-radius:14px;padding:14px 22px;align-items:center;color:var(--ink)}
.process-note i{color:var(--accent)}
/* CTA */
.cta-section{position:relative;background:var(--primary);padding:72px 0;color:var(--ink);overflow:hidden}
.cta-section::after{content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border:45px solid rgba(255,255,255,.16);border-radius:50%}
.cta-box{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:44px}
.cta-copy h2{color:var(--ink);font-size:30px;margin-bottom:9px}
.cta-copy p{color:rgba(19,22,30,.72);max-width:620px;font-size:15px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;flex-shrink:0}
/* FAQ */
.faq-section{padding:96px 0;background:#fff}
.faq-warp{max-width:940px;margin:0 auto}
.faq-accordion .accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:border-color .2s}
.faq-accordion .accordion-item:hover{border-color:rgba(233,182,46,.5)}
.faq-accordion .accordion-title{font-size:16px;font-weight:600;color:var(--ink);background:transparent;padding:20px 54px 20px 20px;position:relative;border:none}
.faq-accordion .accordion-title:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.faq-accordion .accordion-title::before{content:"+";position:absolute;right:26px;top:50%;transform:translateY(-50%);width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(233,182,46,.18);color:var(--ink);font-weight:700}
.faq-accordion .accordion-item.is-active>.accordion-title::before{content:"−";background:var(--primary)}
.faq-accordion .accordion-content{box-shadow:none;font-size:15px;line-height:1.9;color:#454d5b;background:#f9fafb;border-top:1px solid var(--line);padding:18px 22px 22px}
/* 页脚 */
.site-footer{background:var(--dark-section);color:#d7dce4;padding-top:68px;margin-top:0}
.footer-brand .footer-logo{display:inline-block;font-size:24px;font-weight:900;color:var(--primary);margin-bottom:18px;letter-spacing:1px;line-height:1.2}
.footer-brand p{color:rgba(255,255,255,.58);font-size:14px;line-height:1.85;max-width:360px;margin-bottom:20px}
.footer-link-list li{line-height:2.1}
.footer-link-list a{color:rgba(255,255,255,.62);transition:all .2s}
.footer-link-list a:hover{color:var(--primary)}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:52px;padding:22px 0;background:rgba(19,22,30,.42)}
.footer-bottom-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}
.icp-slot i{color:var(--primary);margin-right:6px}
/* 响应式 */
@media (max-width: 1100px){
.nav-wrap{padding:12px 20px;gap:8px}
.site-nav-link{padding:8px 10px;font-size:14px}
.activity-hero{padding:82px 0}
.hero-activity-grid{gap:34px}
.top-feature-grid{gap:30px}
.latest-layout{grid-template-columns:1fr}
.big-activity-card,.big-card-content{min-height:430px}
.list-activity{display:grid;grid-template-columns:1fr 1fr}
.process-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 900px){
.nav-wrap{grid-template-columns:1fr auto 1fr;padding:12px 18px}
.site-nav-link,.btn-nav-goal{display:none}
.nav-toggle{display:inline-flex}
.nav-col{margin:0}
.hero-activity-grid{grid-template-columns:1fr}
.hero-activity-copy{text-align:left}
.activity-hero h1{font-size:38px}
.section{padding:72px 0}
.latest-section,.faq-section,.process-section{padding:70px 0}
.top-feature-card{padding:24px 24px 0}
.top-feature-grid{grid-template-columns:1fr}
.feature-media{height:280px}
.big-activity-card h3{font-size:26px}
.list-activity{grid-template-columns:1fr}
.compact-media{width:100px}
.cta-box{flex-direction:column;align-items:flex-start}
.cta-actions{width:100%}
.process-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 640px){
body{font-size:15px}
.container{padding-left:18px;padding-right:18px}
.section{padding:54px 0}
.activity-hero{padding:58px 0 56px}
.activity-hero h1{font-size:30px;line-height:1.3}
.hero-lead{font-size:15px}
.feature-section{padding:52px 0 26px}
.top-feature-card{padding:18px 18px 0;border-radius:18px}
.feature-media{height:220px}
.latest-section,.faq-section,.process-section{padding:54px 0}
.section-head h2,.cta-copy h2{font-size:24px}
.activity-hero h1 .highlight{display:inline-block}
.big-activity-card,.big-card-content{min-height:520px;padding:24px 21px}
.big-activity-card h3{font-size:22px}
.big-links{flex-direction:column;align-items:flex-start}.big-links .btn{width:auto}
.process-grid{grid-template-columns:1fr;gap:16px}
.faq-accordion .accordion-title{padding-right:48px;font-size:15px}
.compact-activity{flex-direction:column}
.compact-media{width:100%;height:124px}
.compact-content{padding:8px 18px 18px}
.site-footer .footer-brand p{max-width:100%}
.footer-bottom-inner{flex-direction:column}
}