/* roulang page: index */
:root {
        --bg: #0B0E11;
        --bg-card: #161A1F;
        --bg-sub: #1E242B;
        --white: #F7F8FA;
        --gray: #A5ACB5;
        --weak: #6E7681;
        --accent: #F5A524;
        --rosy: #F43F5E;
        --border: rgba(255, 255, 255, 0.06);
        --radius: 14px;
        --shadow: 0 8px 30px rgba(0,0,0,0.35);
        --max-width: 1280px;
        --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    }
    * { box-sizing: border-box; }
    html {
        scroll-behavior: smooth;
        background-color: var(--bg);
    }
    body {
        margin: 0;
        font-family: var(--font-sans);
        color: var(--gray);
        background-color: var(--bg);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
        padding-bottom: 0;
    }
    body.mobile-lock { overflow: hidden; }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input { font-family: inherit; }
    .container-x {
        max-width: var(--max-width);
        margin-left: auto;
        margin-right: auto;
        padding-left: 20px;
        padding-right: 20px;
    }
    .font-mono-num { font-family: "SFMono-Regular", "Roboto Mono", ui-monospace, Menlo, Consolas, monospace; letter-spacing: .03em; }
    /* 导航 */
    .site-header {
        position: fixed;
        top: 0; left: 0; right: 0;
        height: 72px;
        background: rgba(11, 14, 17, .82);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255, 255, 255, .06);
        z-index: 50;
    }
    .nav-wrap { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 22px; color: var(--white); letter-spacing: .02em;}
    .nav-logo .logo-badge {
        display: inline-flex; align-items: center; justify-content: center;
        width: 36px; height: 36px; border-radius: 10px;
        background: var(--accent); color: #0b0e11; font-weight: 900; font-size: 16px;
        box-shadow: 0 0 20px rgba(245,165,36,.25);
    }
    .nav-links { display: flex; align-items: center; gap: 28px; }
    .nav-links a.nav-link {
        color: var(--gray); font-size: 14px; letter-spacing: .04em;
        transition: color .2s ease;
        position: relative; padding: 4px 0;
    }
    .nav-links a.nav-link:after {
        content: ''; position: absolute; left: 0; bottom: -4px;
        width: 0; height: 2px;
        background: linear-gradient(90deg, var(--accent), var(--rosy));
        transition: width .25s ease; border-radius: 2px;
    }
    .nav-links a.nav-link:hover { color: var(--white); }
    .nav-links a.nav-link:hover:after { width: 100%; }
    .nav-links a.nav-link.active { color: #fff; }
    .nav-links a.nav-link.active:after { width: 100%; }
    .nav-cta { margin-left: 4px; }
    .nav-btn {
        display: inline-flex; align-items: center; justify-content: center;
        background: var(--accent); color: #171007;
        font-weight: 700; font-size: 14px;
        height: 42px; padding: 0 24px; border-radius: 999px;
        transition: all .25s ease; border: 1px solid rgba(245,165,36,.4);
        box-shadow: 0 0 0 rgba(245,165,36,0);
    }
    .nav-btn:hover { background: #ffbe4a; box-shadow: 0 0 24px rgba(245,165,36,.3); transform: translateY(-1px); }
    .nav-burger { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border); background: var(--bg-sub); align-items: center; justify-content: center; cursor: pointer; flex-direction: column; gap: 5px; }
    .nav-burger span { display: block; width: 18px; height: 2px; background: var(--white); border-radius: 2px; transition: all .25s ease; }
    .nav-burger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-burger.is-active span:nth-child(2) { opacity: 0; }
    .nav-burger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav-drawer {
        position: fixed; inset: 72px 0 0 0; z-index: 45;
        background: rgba(11,14,17,.98);
        backdrop-filter: blur(20px);
        display: none; flex-direction: column; align-items: flex-start;
        padding: 24px 28px 40px;
    }
    .nav-drawer.open { display: flex; }
    .nav-drawer a {
        font-size: 24px; font-weight: 600; color: var(--white);
        padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.05); width: 100%;
    }
    .nav-drawer a:hover { color: var(--accent); }
    .nav-drawer .drawer-cta { margin-top: 24px; }

    .site-header-placeholder { height: 72px; }

    /* 按钮 focus */
    .btn-focus:focus-visible {
        outline: 2px solid var(--white);
        outline-offset: 3px;
    }

    /* Hero section */
    .hero-nine {
        position: relative;
        min-height: 720px;
        display: flex;
        align-items: center;
        background-image:
            linear-gradient(rgba(11,14,17,.3), rgba(11,14,17,.85) 70%),
            url('/assets/images/backpic/back-2.jpg');
        background-size: cover;
        background-position: center 45%;
        overflow: hidden;
    }
    .hero-nine .grain {
        position: absolute; inset: 0;
        background-image: radial-gradient(rgba(255,255,255,.025) 1px, transparent 1px);
        background-size: 4px 4px;
        pointer-events: none;
    }
    .hero-subtitle { font-size: 18px; line-height: 1.8; color: #BFC6CF; max-width: 560px; }
    .hero-highlight {
        display: inline-block; background: rgba(245,165,36,.12); border: 1px solid rgba(245,165,36,.3);
        color: var(--accent); font-size: 13px; letter-spacing: .08em;
        padding: 4px 12px; border-radius: 999px; margin-bottom: 24px;
    }
    .cover-float {
        border-radius: 20px;
        overflow: hidden;
        border: 1px solid rgba(255,255,255,.14);
        box-shadow: var(--shadow), 0 0 0 1px rgba(245,165,36,.12);
        transition: transform .35s ease, box-shadow .35s ease;
    }
    .cover-float:hover { transform: translateY(-4px); box-shadow: 0 20px 45px rgba(0,0,0,.5), 0 0 0 1px rgba(245,165,36,.4); }
    @keyframes scroll-marker { 0% { opacity:0 } 30% {opacity:1} 60% { opacity:1 } 100% { opacity:0; transform: translateY(22px);} }
    .scroll-dot {
        width: 22px; height: 40px;
        border: 1px solid rgba(255,255,255,.3);
        border-radius: 12px;
        display: flex; justify-content: center; padding-top: 6px;
    }
    .scroll-dot i {
        width: 4px; height: 8px; border-radius: 4px;
        background: rgba(255,255,255,.6);
        animation: scroll-marker 1.8s infinite;
    }

    /* section paddings */
    .sec { padding: 88px 0; }
    .sec-alt { background: #0F141A; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
    .sec-label {
        display: inline-flex; align-items: center; gap: 8px;
        font-size: 13px; letter-spacing: .12em;
        color: var(--accent); text-transform: uppercase; font-weight: 600;
    }
    .sec-label:before { content:''; width: 30px; height: 1px; background: var(--accent); }
    .sec-title { color: var(--white); font-size: 34px; font-weight: 800; line-height:1.3; margin: 14px 0 10px; letter-spacing: .02em}
    .sec-desc { color: var(--gray); font-size: 16px; max-width: 640px; line-height: 1.8; }
    .feature-card {
        background: #151A1F;
        border: 1px solid rgba(255,255,255,.06);
        padding: 28px 26px;
        border-radius: 18px;
        transition: all .3s ease;
        height: 100%;
    }
    .feature-card:hover { transform: translateY(-6px); border-color: rgba(245,165,36,.45); box-shadow: 0 16px 36px rgba(0,0,0,.45), 0 0 18px rgba(245,165,36,.08); }
    .feature-icon {
        width: 56px; height: 56px; border-radius: 16px;
        background: rgba(245,165,36,.12);
        border: 1px solid rgba(245,165,36,.25);
        display: flex; align-items: center; justify-content: center;
        color: var(--accent); font-size: 24px;
        margin-bottom: 16px;
    }
    .feature-card h3 { color: var(--white); font-size: 20px; font-weight: 700; margin-bottom: 8px; }
    .feature-card p { color: var(--gray); font-size: 14px; line-height: 1.75; }
    /* scene */
    .scene-list-item {
        border-left: 2px solid rgba(255,255,255,.08);
        padding: 20px 0 20px 28px;
        transition: all .25s ease;
        border-bottom: 1px solid rgba(255,255,255,.04);
    }
    .scene-list-item:hover { border-left-color: var(--accent); padding-left: 32px; }
    .scene-index { color: var(--accent); font-family: var(--font-mono); font-size: 14px; font-weight:600; letter-spacing:.08em }
    .scene-title { color: #fff; font-weight: 600; font-size: 18px; margin: 4px 0 4px; }
    .scene-desc { color: var(--gray); font-size: 14px; }
    /* quotes */
    .quote-mark { font-size: 80px; line-height: .7; color: rgba(244,63,94,.7); font-family: Georgia, serif; }
    blockquote.testimonial {
        font-size: 22px; line-height: 1.85; color: #E6EAF0;
        max-width: 780px; margin: 0 auto;
    }
    .badge-num {
        background: #151A1F; border: 1px solid rgba(255,255,255,.08);
        border-radius: 18px; padding: 18px 6px;
        text-align: center; transition: border-color .25s;
    }
    .badge-num:hover { border-color: rgba(245,165,36,.4); }
    .badge-num strong { display:block; color: var(--accent); font-size: 30px; font-weight: 800; }
    .badge-num span { color: var(--gray); font-size: 12px; }
    /* FAQ */
    .faq-block {
        border: 1px solid rgba(255,255,255,.06);
        background: #151A1F; border-radius: 14px;
        overflow: hidden; margin-bottom: 12px;
        transition: border-color .25s;
    }
    .faq-block:hover { border-color: rgba(245,165,36,.3); }
    .faq-q {
        width: 100%; background: transparent; border:none; text-align:left;
        color: #fff; font-size: 16px; font-weight: 600;
        padding: 20px 22px 20px 22px;
        display: flex; align-items: center; justify-content: space-between; gap: 12px; cursor:pointer;
        transition: background .2s;
    }
    .faq-q .icon-plus { position: relative; width: 20px; height:20px; flex: 0 0 20px; }
    .faq-q .icon-plus:before,
    .faq-q .icon-plus:after { content:''; position:absolute; background: var(--accent); border-radius:4px; transition: all .25s; }
    .faq-q .icon-plus:before { top:9px; left:0; width:20px; height:2px; }
    .faq-q .icon-plus:after { top:0; left:9px; width:2px; height:20px; }
    .faq-q[aria-expanded="true"] .icon-plus:after { transform: scaleY(0); }
    .faq-a { display:none; padding: 0 22px 20px; color: var(--gray); font-size: 14px; line-height: 1.85; }
    .faq-block.open .faq-a { display:block; }
    .faq-block.open .faq-q { color: var(--accent); }

    /* cover cards */
    .cover-card {
        background: #12161B;
        border-radius: 16px;
        border: 1px solid rgba(255,255,255,.05);
        overflow: hidden;
        transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
        height: 100%;
    }
    .cover-card:hover { transform: translateY(-5px); border-color: rgba(245,165,36,.4); box-shadow: 0 14px 30px rgba(0,0,0,.4); }
    .cover-img-wrap { position: relative; overflow: hidden; aspect-ratio: 16/10; background: #1E242B; }
    .cover-img-wrap img { width:100%; height:100%; object-fit: cover; transition: transform .5s ease; }
    .cover-card:hover .cover-img-wrap img { transform: scale(1.05); }
    .cover-img-wrap:after { content:''; position:absolute; inset:0; background: linear-gradient(0deg, rgba(11,14,17,.4), transparent 45%); }
    .time-badge { position:absolute; right:10px; bottom: 10px; z-index:2; background: rgba(0,0,0,.72); backdrop-filter: blur(4px); color:#fff; font-size: 12px; padding: 3px 9px; border-radius: 7px; border:1px solid rgba(255,255,255,.1); }
    .hot-badge { position:absolute; left: 10px; top: 10px; z-index:2; background: rgba(244,63,94,.88); color:#fff; font-size: 11px; padding: 4px 8px; border-radius: 999px; }
    .play-badge { position:absolute; left:10px; bottom:10px; z-index:3; width:30px; height:30px; border-radius:50%; background: rgba(255,255,255,.2); backdrop-filter: blur(3px); display:flex; align-items:center; justify-content:center; color:#fff; }
    .category-chip { font-size:12px; color: var(--accent); display:inline-block; margin-bottom: 6px; }
    .cover-card .card-content { padding: 16px 16px 18px; }
    .cover-card h3 { font-size: 16px; color: #fff; font-weight: 600; line-height: 1.5; margin: 0 0 4px; }
    .cover-card p { color: var(--gray); font-size: 13px; margin:0; }

    /* link list */
    .news-item {
        display: flex; flex-wrap: wrap;
        justify-content: space-between; align-items: baseline;
        border-bottom: 1px solid rgba(255,255,255,.05);
        padding: 13px 0;
        transition: background .15s;
    }
    .news-item:hover { padding-left: 5px; }
    .news-item a { color: #E5EAF0; font-weight: 400; font-size: 15px; }
    .news-item a:hover { color: var(--accent); }
    .news-item span { color: var(--weak); font-size: 13px; font-family: var(--font-mono); }

    /* cta area */
    .cta-section { background:#0B0E11; position:relative; overflow:hidden; }
    .cta-section:before {
        content:''; position:absolute; width:500px; height:500px; border-radius:50%;
        background: rgba(245,165,36,.08); filter: blur(100px);
        left: 60%; top: -120px; pointer-events:none;
    }
    .btn-primary {
        background: var(--accent);
        color: #191007;
        font-weight: 700; border: 1px solid transparent;
        font-size: 16px;
        padding: 0 34px; height: 56px;
        border-radius: 999px;
        display: inline-flex; align-items: center; justify-content: center;
        transition: all .25s ease;
        box-shadow: 0 0 0 rgba(245,165,36,0);
    }
    .btn-primary:hover { background:#ffbe4a; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(245,165,36,.35); }
    .btn-primary:focus-visible { outline: 2px solid white; outline-offset: 3px; }
    .btn-ghost {
        background: rgba(255,255,255,.03);
        color: #fff;
        border: 1px solid rgba(255,255,255,.2);
        font-weight: 600; font-size: 16px;
        height: 56px; padding: 0 34px;
        border-radius: 999px;
        display: inline-flex; align-items: center; justify-content: center;
        transition: all .25s ease;
    }
    .btn-ghost:hover { background: rgba(245,165,36,.08); border-color: rgba(245,165,36,.5); color: var(--accent); transform: translateY(-2px); }
    .btn-ghost:focus-visible { outline: 2px solid white; outline-offset: 3px; }

    /* footer */
    .site-footer { background:#080A0D; padding: 52px 0 24px; border-top:1px solid rgba(255,255,255,.05); }
    .footer-title { color:#fff; font-size: 16px; font-weight: 600; margin-bottom: 14px;}
    .footer-links a { display: block; color: var(--gray); font-size: 14px; margin-bottom:10px; transition: color .2s;}
    .footer-links a:hover { color: var(--accent); }
    .footer-desc { color: var(--weak); font-size:14px; line-height:1.8; }
    .footer-bottom { border-top:1px solid rgba(255,255,255,.04); margin-top: 36px; padding-top: 24px; color: var(--weak); font-size: 13px; display:flex; justify-content: space-between; flex-wrap:wrap; gap: 12px; }
    .footer-bottom a { color: var(--weak);}
    .footer-bottom a:hover { color: var(--accent); }
    .mobile-bar {
        display: none;
        position: fixed;
        left:0; right:0; bottom:0;
        background: rgba(11,14,17,.92);
        backdrop-filter: blur(14px);
        border-top: 1px solid rgba(255,255,255,.1);
        padding: 12px 16px;
        z-index: 40;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
    }
    .mobile-bar-title { color:#fff; font-size: 14px; font-weight:600;}
    .mobile-bar-sub { color: var(--gray); font-size: 12px; }
    .mobile-bar-btn { background:var(--accent); color:#111; border-radius:999px; padding: 10px 20px; font-weight:700; font-size:13px; white-space:nowrap; border:none; cursor:pointer; }
    .mobile-bar-btn:focus-visible { outline: 2px solid white; }
    @media (max-width: 768px) {
        .nav-links { display: none; }
        .nav-burger { display: flex; }
        .nav-cta { display:none; }
        .sec { padding: 64px 0; }
        .sec-title {font-size: 28px;}
        .mobile-bar { display: flex; }
        body { padding-bottom: 72px; }
        .cover-float .mobile-cover { max-width: 440px; margin: 0 auto; }
    }
    @media (prefers-reduced-motion: reduce) {
        *, *:before, *:after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
        html { scroll-behavior: auto; }
    }
    .schema-hide { position:absolute; left:-9999px; top:-9999px; width:1px; height:1px; overflow:hidden; }

/* roulang page: category1 */
:root {
  --bg: #0B0E11;
  --bg-card: #161A1F;
  --bg-sub: #1E242B;
  --white: #F7F8FA;
  --gray: #A5ACB5;
  --weak: #6E7681;
  --accent: #F5A524;
  --rosy: #F43F5E;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --max-width: 1280px;
  --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  background: var(--bg);
}
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--gray);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.mobile-lock {
  overflow: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button, input, summary {
  font-family: inherit;
}
.container-x {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}
.sec {
  padding: 88px 0;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 165, 36, .12);
  border: 1px solid rgba(245, 165, 36, .25);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: .08em;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.sec-title {
  color: var(--white);
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .01em;
  margin: 18px 0 12px;
}
.sec-head {
  max-width: 720px;
  margin-bottom: 42px;
}
.sec-desc {
  color: var(--gray);
  font-size: 16px;
  line-height: 1.9;
  margin-top: 6px;
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(11, 14, 17, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  z-index: 60;
}
.nav-wrap {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 22px;
  color: var(--white);
  letter-spacing: .02em;
}
.nav-logo .logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent);
  color: #0b0e11;
  font-weight: 900;
  font-size: 16px;
  box-shadow: 0 0 20px rgba(245, 165, 36, .25);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a.nav-link {
  color: var(--gray);
  font-size: 14px;
  letter-spacing: .04em;
  transition: color .2s ease;
  position: relative;
  padding: 4px 0;
}
.nav-links a.nav-link:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--rosy));
  transition: width .25s ease;
  border-radius: 2px;
}
.nav-links a.nav-link:hover {
  color: var(--white);
}
.nav-links a.nav-link:hover:after {
  width: 100%;
}
.nav-links a.nav-link.active {
  color: #fff;
}
.nav-links a.nav-link.active:after {
  width: 100%;
}
.nav-cta {
  margin-left: 4px;
}
.nav-btn,
.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #171007;
  font-weight: 700;
  font-size: 14px;
  height: 42px;
  padding: 0 24px;
  border-radius: 999px;
  transition: all .25s ease;
  border: 1px solid rgba(245, 165, 36, .4);
  box-shadow: 0 0 0 rgba(245, 165, 36, 0);
  cursor: pointer;
}
.nav-btn:hover,
.btn-main:hover {
  background: #ffbe4a;
  box-shadow: 0 0 24px rgba(245, 165, 36, .3);
  transform: translateY(-1px);
}
.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-sub);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.nav-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all .25s ease;
}
.nav-burger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-burger.is-active span:nth-child(2) {
  opacity: 0;
}
.nav-burger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-drawer {
  position: fixed;
  inset: 72px 0 0 0;
  z-index: 55;
  background: rgba(11, 14, 17, .98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: none;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px 28px 40px;
  overflow-y: auto;
}
.nav-drawer.open {
  display: flex;
}
.nav-drawer a {
  font-size: 22px;
  font-weight: 600;
  color: var(--white);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
  width: 100%;
  transition: color .2s ease;
}
.nav-drawer a:hover {
  color: var(--accent);
}
.nav-drawer a.active {
  color: var(--accent);
}
.btn-focus:focus-visible,
.btn-main:focus-visible,
.btn-ghost:focus-visible,
.nav-btn:focus-visible,
.nav-burger:focus-visible,
.summary-title:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

/* 分类页页眉 */
.category-hero {
  position: relative;
  padding: 190px 0 84px;
  background-image:
    linear-gradient(rgba(11, 14, 17, .45), rgba(11, 14, 17, .88) 75%),
    url('/assets/images/backpic/back-3.jpg');
  background-size: cover;
  background-position: center 40%;
  overflow: hidden;
}
.category-hero:after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px);
  background-size: 5px 5px;
  pointer-events: none;
}
.category-hero .container-x {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  font-size: 13px;
  color: var(--weak);
  margin-bottom: 30px;
}
.breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.breadcrumb li + li::before {
  content: '/';
  margin-right: 8px;
  color: var(--weak);
}
.breadcrumb a {
  color: var(--gray);
  transition: color .2s ease;
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb [aria-current="page"] {
  color: var(--white);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}
.hero-title {
  font-size: clamp(28px, 3.6vw, 52px);
  line-height: 1.18;
  color: var(--white);
  font-weight: 900;
  letter-spacing: .01em;
  margin: 0 0 18px;
}
.hero-title .accent {
  color: var(--accent);
}
.hero-lead {
  font-size: 18px;
  line-height: 1.85;
  color: #BFC6CF;
  max-width: 620px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .02);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  height: 42px;
  padding: 0 24px;
  border-radius: 999px;
  transition: all .25s ease;
}
.btn-ghost:hover {
  border-color: rgba(245, 165, 36, .45);
  background: rgba(245, 165, 36, .1);
  transform: translateY(-1px);
}
.hero-preview {
  max-width: 420px;
  justify-self: end;
  background: rgba(22, 26, 31, .78);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 20px;
  padding: 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, .45);
}
.hero-preview img {
  border-radius: 14px;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.hero-preview-copy {
  padding: 12px 8px 6px;
}
.hero-preview-copy span {
  display: block;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .08em;
  margin-bottom: 4px;
}
.hero-preview-copy strong {
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
}

/* 卖点三连 */
.feature-card {
  background: #151A1F;
  border: 1px solid rgba(255, 255, 255, .06);
  padding: 30px 26px;
  border-radius: 18px;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 165, 36, .45);
  box-shadow: 0 16px 36px rgba(0, 0, 0, .45), 0 0 18px rgba(245, 165, 36, .08);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(245, 165, 36, .12);
  border: 1px solid rgba(245, 165, 36, .25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-card h3 {
  color: var(--white);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 8px;
}
.feature-card p {
  color: var(--gray);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}

/* 分类浏览主体 */
.browse-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}
@media (min-width: 1024px) {
  .browse-layout {
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
    gap: 44px;
  }
}
.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}
@media (min-width: 620px) {
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.category-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 165, 36, .45);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .42), 0 0 16px rgba(245, 165, 36, .07);
}
.card-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}
.category-card:hover .card-thumb img {
  transform: scale(1.05);
}
.thumb-lay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 14, 17, .58), rgba(11, 14, 17, 0) 52%);
}
.card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: rgba(11, 14, 17, .62);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, .1);
  color: #fff;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: .04em;
  line-height: 1.5;
}
.card-badge {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  color: var(--accent);
  background: rgba(11, 14, 17, .6);
  border: 1px solid rgba(245, 165, 36, .28);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  line-height: 1.5;
}
.card-body {
  padding: 20px 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-body h3 {
  color: var(--white);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 9px;
}
.card-desc {
  color: var(--gray);
  font-size: 13px;
  line-height: 1.75;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, .05);
  padding-top: 12px;
  font-size: 12px;
  color: var(--weak);
}
.card-link {
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
  transition: letter-spacing .2s ease;
}
.card-link:hover {
  letter-spacing: .02em;
}

/* 侧栏 */
.browse-side {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.side-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
}
.side-box h3 {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 10px;
}
.side-box p {
  color: var(--gray);
  font-size: 13px;
  line-height: 1.8;
  margin: 0 0 16px;
}
.side-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}
.side-nav li {
  border-bottom: 1px solid rgba(255, 255, 255, .05);
}
.side-nav li:last-child {
  border-bottom: 0;
}
.side-nav a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--gray);
  transition: color .2s ease, padding-left .2s ease;
}
.side-nav a:hover,
.side-nav a.active {
  color: var(--accent);
  padding-left: 4px;
}
.side-nav em {
  font-style: normal;
  color: var(--weak);
  font-size: 12px;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  background: var(--bg-sub);
  border: 1px solid rgba(255, 255, 255, .07);
  color: var(--gray);
  font-size: 13px;
  border-radius: 999px;
  padding: 4px 12px;
  line-height: 1.5;
  transition: all .2s ease;
}
.tag:hover {
  color: var(--accent);
  border-color: rgba(245, 165, 36, .4);
  background: rgba(245, 165, 36, .06);
}
.notice-box {
  background: rgba(244, 63, 94, .06);
  border: 1px solid rgba(244, 63, 94, .14);
}
.notice-box h3 {
  color: #fda4af;
}
.notice-box p {
  color: rgba(247, 248, 250, .7);
}

/* 分页器 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.page-num {
  min-width: 38px;
  height: 38px;
  padding: 0 13px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--gray);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: default;
}
.page-num.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1204;
  font-weight: 700;
}
.page-num.is-disabled {
  opacity: .55;
}

/* 场景 */
.scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
@media (min-width: 1024px) {
  .scene-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}
.scene-media {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .08);
  box-shadow: var(--shadow);
}
.scene-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.scene-media figcaption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  background: rgba(11, 14, 17, .72);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, .07);
  padding: 10px 14px;
  border-radius: 12px;
  color: #d6dbe2;
  font-size: 13px;
}
.scene-items {
  display: flex;
  flex-direction: column;
}
.scene-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  transition: padding-left .25s ease;
}
.scene-item:hover {
  padding-left: 6px;
}
.scene-no {
  font-size: 12px;
  height: 30px;
  width: 30px;
  border-radius: 999px;
  background: rgba(245, 165, 36, .13);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  letter-spacing: .05em;
  margin-top: 2px;
}
.scene-item h3 {
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 4px;
}
.scene-item p {
  color: var(--gray);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* 流程 */
.process-section {
  background: #0E1216;
}
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 38px;
}
@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.process-item {
  background: #161A1F;
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: 18px;
  padding: 28px 24px;
  height: 100%;
}
.step-number {
  display: block;
  font-size: 32px;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: .04em;
  line-height: 1;
  margin-bottom: 18px;
}
.process-item h3 {
  color: var(--white);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 8px;
}
.process-item p {
  margin: 0;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.8;
}

/* 口碑 */
.review-area {
  position: relative;
  background: #0D1115;
}
.review-card {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.big-quote {
  display: block;
  font-size: 72px;
  line-height: .7;
  color: var(--rosy);
  margin-bottom: 14px;
  font-family: Georgia, serif;
}
.review-card blockquote {
  margin: 0;
  color: #E5E8EC;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.8;
}
.review-card figcaption {
  margin-top: 18px;
  color: var(--weak);
  font-size: 14px;
}
.badge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  max-width: 720px;
  margin: 42px auto 0;
}
@media (min-width: 900px) {
  .badge-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.data-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 12px;
}
.data-badge strong {
  display: block;
  color: var(--accent);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
}
.data-badge span {
  color: var(--weak);
  font-size: 13px;
  margin-top: 6px;
  display: block;
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 900px) {
  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0 20px;
  transition: border-color .25s ease;
}
.faq-item[open] {
  border-color: rgba(245, 165, 36, .3);
}
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  padding: 18px 0;
  cursor: pointer;
  user-select: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-q-title {
  display: inline;
}
.faq-plus {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  border: 1px solid rgba(245, 165, 36, .3);
  color: var(--accent);
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .25s ease, background .2s ease;
  background: rgba(245, 165, 36, .08);
}
.faq-plus::before {
  content: '+';
  line-height: 1;
}
.faq-item[open] .faq-plus {
  transform: rotate(45deg);
}
.faq-body {
  color: var(--gray);
  font-size: 14px;
  line-height: 1.9;
  padding: 0 0 20px;
  border-top: 1px solid rgba(255, 255, 255, .05);
  margin-top: -4px;
}
.faq-body a {
  color: var(--accent);
  border-bottom: 1px solid rgba(245, 165, 36, .3);
}
.faq-body a:hover {
  color: #ffbe4a;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, #15100a 0%, #1a1510 50%, #170c0c 100%);
  border-top: 1px solid rgba(245, 165, 36, .16);
  position: relative;
  overflow: hidden;
}
.cta-section:before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(245, 165, 36, .18), transparent 68%);
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  text-align: center;
  margin: 0 auto;
}
.cta-inner h2 {
  color: var(--white);
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 14px;
}
.cta-inner p {
  color: var(--gray);
  font-size: 16px;
  line-height: 1.9;
  margin: 0 0 28px;
}
.cta-btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* 页脚 */
.site-footer {
  background: #090C0F;
  border-top: 1px solid rgba(255, 255, 255, .05);
  padding: 52px 0 0;
}
.footer-desc {
  color: var(--weak);
  font-size: 13px;
  line-height: 1.9;
  margin-top: 6px;
}
.footer-title {
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: var(--gray);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .05);
  margin-top: 36px;
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 20px;
  color: var(--weak);
  font-size: 13px;
}

/* 移动端底部固定条 */
.mobile-anchor-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  padding: 10px 16px;
  background: rgba(9, 12, 15, .92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, .08);
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.mbx-text strong {
  display: block;
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}
.mbx-text span {
  color: var(--weak);
  font-size: 12px;
  line-height: 1.5;
}
.mbx-btn {
  flex: 0 0 auto;
  background: var(--accent);
  color: #171007;
  font-weight: 700;
  font-size: 14px;
  padding: 0 20px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mbx-btn:hover {
  background: #ffbe4a;
}
@media (max-width: 767px) {
  .mobile-anchor-bar {
    display: flex;
  }
  body {
    padding-bottom: 64px;
    scroll-padding-bottom: 80px;
  }
  .sec {
    padding: 64px 0;
  }
  .sec-title {
    font-size: 26px;
  }
  .category-hero {
    padding: 150px 0 56px;
  }
  .hero-preview {
    max-width: 100%;
    justify-self: auto;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

/* 响应式导航 */
@media (max-width: 991px) {
  .nav-links,
  .nav-cta {
    display: none;
  }
  .nav-burger {
    display: inline-flex;
  }
}
@media (min-width: 992px) {
  .nav-burger {
    display: none;
  }
  .nav-drawer {
    display: none !important;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}