/* roulang page: index */
:root {
            --bg: #07111f;
            --bg-deep: #040b15;
            --panel: rgba(15, 31, 51, .78);
            --panel-solid: #102238;
            --panel-soft: rgba(19, 43, 66, .56);
            --line: rgba(139, 190, 220, .18);
            --line-bright: rgba(82, 222, 231, .58);
            --text: #eef8fc;
            --muted: #91a9ba;
            --faint: #5e7487;
            --cyan: #53e6e3;
            --blue: #4ea7ff;
            --green: #9ee6b4;
            --yellow: #f3c969;
            --pink: #ee8bb0;
            --radius: 9px;
            --shadow: 0 18px 52px rgba(0, 0, 0, .28);
            --container: 1240px;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            min-width: 320px;
            color: var(--text);
            background:
                linear-gradient(rgba(82, 159, 190, .035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(82, 159, 190, .035) 1px, transparent 1px),
                var(--bg);
            background-size: 42px 42px;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        body::before {
            content: "";
            position: fixed;
            inset: 0;
            pointer-events: none;
            background: linear-gradient(180deg, rgba(5, 14, 28, .08), rgba(4, 10, 20, .72));
            z-index: -1;
        }
        a { color: inherit; text-decoration: none; }
        button, input, select, textarea { font: inherit; }
        button { cursor: pointer; }
        img { display: block; max-width: 100%; }
        .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--cyan);
            font-size: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--cyan);
            box-shadow: 0 0 10px var(--cyan);
        }
        .section { padding: 92px 0; position: relative; }
        .section-head { max-width: 720px; margin-bottom: 38px; }
        .section-head h2 {
            margin-top: 12px;
            font-size: clamp(26px, 3vw, 42px);
            line-height: 1.2;
            letter-spacing: 0;
        }
        .section-head p { margin-top: 16px; color: var(--muted); font-size: 15px; }
        .topbar {
            position: sticky;
            top: 0;
            z-index: 20;
            border-bottom: 1px solid var(--line);
            background: rgba(5, 15, 27, .82);
            backdrop-filter: blur(16px);
        }
        .nav {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
            font-size: 17px;
            font-weight: 800;
            white-space: nowrap;
        }
        .brand-mark {
            width: 31px;
            height: 31px;
            display: grid;
            place-items: center;
            color: var(--bg-deep);
            background: var(--cyan);
            border-radius: 7px;
            font-size: 15px;
            font-weight: 900;
            box-shadow: 0 0 20px rgba(83, 230, 227, .42);
        }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links a {
            position: relative;
            padding: 11px 15px;
            color: var(--muted);
            font-size: 14px;
            transition: color .2s, background .2s;
        }
        .nav-links a:hover, .nav-links a:focus-visible {
            color: var(--text);
            background: rgba(83, 230, 227, .07);
            outline: none;
        }
        .nav-links a.active { color: var(--cyan); }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 15px;
            right: 15px;
            bottom: 3px;
            height: 2px;
            background: var(--cyan);
            box-shadow: 0 0 12px var(--cyan);
        }
        .menu-btn {
            display: none;
            border: 1px solid var(--line);
            color: var(--text);
            background: var(--panel);
            padding: 9px 12px;
            border-radius: 7px;
        }

        .hero {
            min-height: 670px;
            padding: 76px 0 70px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.04fr .96fr;
            align-items: center;
            gap: 70px;
        }
        .hero h1 {
            max-width: 690px;
            margin-top: 18px;
            font-size: clamp(38px, 5vw, 70px);
            line-height: 1.12;
            font-weight: 800;
            letter-spacing: 0;
        }
        .hero h1 span { color: var(--cyan); }
        .hero-copy {
            max-width: 650px;
            margin-top: 24px;
            color: #b5c8d4;
            font-size: 17px;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 32px; }
        .btn {
            min-height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 0 20px;
            border: 1px solid transparent;
            border-radius: 7px;
            font-size: 14px;
            font-weight: 700;
            transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
        }
        .btn:hover { transform: translateY(-2px); }
        .btn:active { transform: translateY(0); }
        .btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
            outline: 3px solid rgba(83, 230, 227, .34);
            outline-offset: 3px;
        }
        .btn-primary {
            color: #041117;
            background: var(--cyan);
            box-shadow: 0 0 24px rgba(83, 230, 227, .27);
        }
        .btn-primary:hover { background: #8af5ee; box-shadow: 0 0 34px rgba(83, 230, 227, .48); }
        .btn-secondary { border-color: var(--line-bright); color: var(--cyan); background: rgba(11, 31, 48, .58); }
        .btn-secondary:hover { background: rgba(83, 230, 227, .1); }
        .hero-meta { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 42px; }
        .meta-item strong { display: block; font-size: 20px; color: var(--text); }
        .meta-item span { color: var(--faint); font-size: 12px; }

        .media-stage {
            position: relative;
            min-height: 425px;
            padding: 18px;
            border: 1px solid var(--line-bright);
            border-radius: 10px;
            background: rgba(8, 24, 41, .78);
            box-shadow: var(--shadow), 0 0 50px rgba(50, 185, 220, .11);
        }
        .media-screen {
            position: relative;
            height: 290px;
            overflow: hidden;
            border: 1px solid rgba(161, 225, 232, .27);
            background:
                linear-gradient(135deg, rgba(42, 114, 145, .4), transparent 47%),
                linear-gradient(45deg, rgba(122, 62, 111, .32), transparent 55%),
                #0b2639;
        }
        .media-screen::before {
            content: "高清画面 · 中文字幕";
            position: absolute;
            left: 22px;
            bottom: 23px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            text-shadow: 0 2px 12px #000;
        }
        .media-screen::after {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(0deg, transparent 0 8px, rgba(255,255,255,.025) 9px 10px);
            pointer-events: none;
        }
        .screen-top { display: flex; justify-content: space-between; padding: 13px 15px; color: #d7faff; font-size: 11px; border-bottom: 1px solid rgba(200,240,245,.16); }
        .screen-label { color: var(--green); }
        .play-symbol {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 58px;
            height: 58px;
            display: grid;
            place-items: center;
            transform: translate(-50%, -50%);
            color: var(--bg-deep);
            background: var(--cyan);
            border-radius: 50%;
            box-shadow: 0 0 30px rgba(83, 230, 227, .45);
            font-size: 22px;
            padding-left: 3px;
        }
        .stage-info { display: grid; grid-template-columns: 1fr auto; gap: 10px 20px; padding: 19px 3px 2px; }
        .stage-title { font-size: 17px; font-weight: 700; }
        .stage-sub { color: var(--muted); font-size: 12px; }
        .stage-tags { display: flex; flex-wrap: wrap; gap: 7px; grid-column: 1 / -1; }
        .tag {
            display: inline-flex;
            align-items: center;
            min-height: 25px;
            padding: 0 8px;
            border: 1px solid var(--line);
            border-radius: 4px;
            color: var(--muted);
            background: rgba(255,255,255,.035);
            font-size: 11px;
        }
        .tag.cyan { color: var(--cyan); border-color: rgba(83, 230, 227, .42); }
        .tag.green { color: var(--green); border-color: rgba(158, 230, 180, .35); }
        .tag.yellow { color: var(--yellow); border-color: rgba(243, 201, 105, .35); }

        .feature-layout { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; }
        .panel, .feature-item, .case-panel, .price-panel, .form-panel {
            border: 1px solid var(--line);
            background: var(--panel);
            box-shadow: var(--shadow);
            border-radius: var(--radius);
        }
        .feature-main { padding: 30px; min-height: 270px; }
        .feature-main h3 { font-size: 24px; margin: 13px 0 9px; }
        .feature-main p, .feature-item p { color: var(--muted); font-size: 14px; }
        .feature-main .scan-line {
            height: 7px;
            margin-top: 35px;
            background: linear-gradient(90deg, var(--cyan) 0 66%, rgba(255,255,255,.08) 66%);
            box-shadow: 0 0 18px rgba(83, 230, 227, .25);
        }
        .feature-side { display: grid; gap: 18px; }
        .feature-item { padding: 22px; }
        .feature-item strong { display: block; margin-bottom: 7px; font-size: 16px; }
        .status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }

        .scene-list { border-top: 1px solid var(--line); }
        .scene-row {
            display: grid;
            grid-template-columns: 76px 1.1fr 1.4fr auto;
            gap: 20px;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--line);
        }
        .scene-index { color: var(--cyan); font-size: 13px; font-weight: 800; }
        .scene-row h3 { font-size: 17px; }
        .scene-row p { color: var(--muted); font-size: 13px; }
        .scene-arrow { color: var(--cyan); font-size: 21px; transition: transform .2s; }
        .scene-row:hover .scene-arrow { transform: translateX(5px); }

        .case-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 20px; align-items: stretch; }
        .case-visual {
            min-height: 320px;
            padding: 26px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            border: 1px solid rgba(83,230,227,.35);
            border-radius: var(--radius);
            background: linear-gradient(135deg, #123a4a, #101d35 55%, #301f3a);
        }
        .case-visual h3 { max-width: 300px; font-size: 25px; line-height: 1.3; }
        .case-caption { color: #c0d9df; font-size: 13px; }
        .case-panel { padding: 28px; }
        .data-list { list-style: none; margin-top: 7px; }
        .data-list li { display: flex; justify-content: space-between; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
        .data-list li:last-child { border-bottom: 0; }
        .data-list b { color: var(--text); text-align: right; }

        .pricing { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
        .price-layout { display: grid; grid-template-columns: 1fr .9fr; gap: 20px; }
        .price-panel { padding: 30px; }
        .price-panel.recommended { border-color: var(--line-bright); box-shadow: 0 0 28px rgba(83,230,227,.1); }
        .price-panel h3 { font-size: 24px; margin: 10px 0; }
        .price-panel p { color: var(--muted); font-size: 14px; }
        .price-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0; }
        .price-point { padding: 12px; border-left: 2px solid var(--cyan); background: rgba(255,255,255,.035); }
        .price-point small { display: block; color: var(--faint); font-size: 11px; }
        .price-point span { color: var(--text); font-size: 13px; }
        .access-note { display: flex; gap: 12px; padding: 15px; color: var(--yellow); border: 1px solid rgba(243,201,105,.24); background: rgba(243,201,105,.06); font-size: 13px; }

        .news-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; }
        .news-list { list-style: none; border-top: 1px solid var(--line); }
        .news-list li { border-bottom: 1px solid var(--line); }
        .news-list a { display: grid; grid-template-columns: 1fr auto; gap: 20px; padding: 18px 0; align-items: center; }
        .news-list a:hover .news-title { color: var(--cyan); }
        .news-title { font-size: 15px; transition: color .2s; }
        .news-date { color: var(--faint); font-size: 12px; }
        .news-aside { padding: 25px; border-left: 2px solid var(--cyan); background: rgba(17, 45, 61, .34); }
        .news-aside p { color: var(--muted); margin-top: 10px; font-size: 14px; }

        .form-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 25px; align-items: start; }
        .form-copy h2 { margin-top: 12px; font-size: 34px; line-height: 1.25; }
        .form-copy p { margin-top: 15px; color: var(--muted); font-size: 14px; }
        .form-panel { padding: 25px; }
        .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
        .field { display: flex; flex-direction: column; gap: 7px; }
        .field.full { grid-column: 1 / -1; }
        .field label { color: #c5d9e2; font-size: 13px; }
        .field input, .field select, .field textarea {
            width: 100%;
            color: var(--text);
            border: 1px solid var(--line);
            border-radius: 6px;
            padding: 11px 12px;
            background: rgba(2, 11, 22, .56);
        }
        .field textarea { resize: vertical; min-height: 95px; }
        .field input::placeholder, .field textarea::placeholder { color: var(--faint); }
        .form-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 17px; }
        .privacy-note { color: var(--faint); font-size: 11px; }

        .faq-wrap { max-width: 900px; }
        .faq-item { border-top: 1px solid var(--line); }
        .faq-item:last-child { border-bottom: 1px solid var(--line); }
        .faq-item summary { display: flex; justify-content: space-between; gap: 20px; padding: 20px 0; cursor: pointer; list-style: none; font-size: 16px; font-weight: 700; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: "+"; color: var(--cyan); font-size: 22px; line-height: 1; }
        .faq-item[open] summary::after { content: "−"; }
        .faq-answer { max-width: 800px; padding: 0 40px 20px 0; color: var(--muted); font-size: 14px; }

        .cta-band { padding: 65px 0; border-top: 1px solid var(--line); background: rgba(14, 39, 55, .48); }
        .cta-content { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
        .cta-content h2 { font-size: clamp(25px, 3vw, 38px); line-height: 1.25; }
        .cta-content p { max-width: 650px; margin-top: 10px; color: var(--muted); font-size: 14px; }

        footer { padding: 42px 0 25px; background: var(--bg-deep); border-top: 1px solid var(--line); }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 35px; }
        .footer-brand p { max-width: 340px; margin-top: 14px; color: var(--muted); font-size: 13px; }
        .footer-col h3 { margin-bottom: 13px; font-size: 14px; }
        .footer-col a { display: block; width: fit-content; margin: 8px 0; color: var(--muted); font-size: 13px; }
        .footer-col a:hover { color: var(--cyan); }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--faint); font-size: 12px; }
        .system-state { color: var(--green); }

        @media (max-width: 1023px) {
            .hero-grid, .feature-layout, .case-layout, .price-layout, .news-layout, .form-layout { grid-template-columns: 1fr; }
            .hero { min-height: auto; padding-top: 70px; }
            .media-stage { max-width: 700px; }
            .feature-side { grid-template-columns: 1fr 1fr; }
            .scene-row { grid-template-columns: 55px 1fr auto; }
            .scene-row p { grid-column: 2 / 3; }
            .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
        }
        @media (max-width: 767px) {
            .container { width: min(100% - 32px, var(--container)); }
            .section { padding: 66px 0; }
            .nav { min-height: 65px; }
            .menu-btn { display: inline-flex; }
            .nav-links {
                display: none;
                position: absolute;
                top: 65px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 8px 16px 16px;
                border-bottom: 1px solid var(--line);
                background: rgba(5, 15, 27, .97);
            }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 14px 10px; border-bottom: 1px solid rgba(139,190,220,.1); }
            .nav-links a.active::after { left: 10px; right: auto; width: 32px; bottom: 4px; }
            .brand { font-size: 14px; }
            .hero { padding: 57px 0 60px; }
            .hero h1 { font-size: 39px; }
            .hero-copy { font-size: 15px; }
            .hero-meta { gap: 17px; margin-top: 30px; }
            .media-stage { min-height: 370px; padding: 12px; }
            .media-screen { height: 238px; }
            .media-screen::before { left: 15px; bottom: 18px; font-size: 16px; }
            .feature-main { padding: 23px; }
            .feature-side { grid-template-columns: 1fr; }
            .scene-row { grid-template-columns: 40px 1fr auto; gap: 12px; }
            .scene-row h3 { font-size: 15px; }
            .scene-row p { font-size: 12px; }
            .case-visual { min-height: 250px; }
            .price-points, .form-grid { grid-template-columns: 1fr; }
            .field.full { grid-column: auto; }
            .form-foot, .cta-content, .footer-bottom { align-items: flex-start; flex-direction: column; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .brand-mark { width: 27px; height: 27px; font-size: 12px; }
            .hero h1 { font-size: 34px; }
            .btn { width: 100%; }
            .hero-actions { display: grid; }
            .media-screen { height: 205px; }
            .stage-info { grid-template-columns: 1fr; }
            .scene-row { grid-template-columns: 30px 1fr; }
            .scene-arrow { grid-column: 2; }
            .footer-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category1 */
:root {
  --bg:#07111f;
  --bg-deep:#040b15;
  --panel:rgba(15,31,51,.78);
  --panel-solid:#102238;
  --panel-soft:rgba(19,43,66,.56);
  --line:rgba(139,190,220,.18);
  --line-bright:rgba(82,222,231,.58);
  --text:#eef8fc;
  --muted:#91a9ba;
  --faint:#5e7487;
  --cyan:#53e6e3;
  --blue:#4ea7ff;
  --green:#9ee6b4;
  --yellow:#f3c969;
  --pink:#ee8bb0;
  --radius:9px;
  --shadow:0 18px 52px rgba(0,0,0,.28);
  --container:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  min-width:320px;
  margin:0;
  color:var(--text);
  background:
    linear-gradient(rgba(82,159,190,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(82,159,190,.035) 1px,transparent 1px),
    var(--bg);
  background-size:42px 42px;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(5,14,28,.08),rgba(4,10,20,.72));
  z-index:-1;
}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.topbar{
  position:sticky;
  top:0;
  z-index:20;
  border-bottom:1px solid var(--line);
  background:rgba(5,15,27,.82);
  backdrop-filter:blur(16px);
}
.nav{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
  font-size:17px;
  font-weight:800;
  white-space:nowrap;
}
.brand-mark{
  width:31px;
  height:31px;
  display:grid;
  place-items:center;
  color:var(--bg-deep);
  background:var(--cyan);
  border-radius:7px;
  font-size:15px;
  font-weight:900;
  box-shadow:0 0 20px rgba(83,230,227,.42);
}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{
  position:relative;
  padding:11px 15px;
  color:var(--muted);
  font-size:14px;
  transition:color .2s,background .2s;
}
.nav-links a:hover,.nav-links a:focus-visible{
  color:var(--text);
  background:rgba(83,230,227,.07);
  outline:none;
}
.nav-links a.active{color:var(--cyan)}
.nav-links a.active:after{
  content:"";
  position:absolute;
  left:15px;
  right:15px;
  bottom:3px;
  height:2px;
  background:var(--cyan);
  box-shadow:0 0 12px var(--cyan);
}
.menu-btn{
  display:none;
  border:1px solid var(--line);
  color:var(--text);
  background:var(--panel);
  padding:9px 12px;
  border-radius:7px;
}
.page-hero{
  padding:58px 0 46px;
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.page-hero:after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:.4;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--faint);
  font-size:13px;
  margin-bottom:28px;
}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb strong{color:var(--muted);font-weight:500}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:64px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--cyan);
  font-size:12px;
  letter-spacing:1px;
}
.eyebrow:before{
  content:"";
  width:24px;
  height:1px;
  background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
}
h1,h2,h3,p{margin:0}
.page-hero h1{
  margin-top:16px;
  max-width:720px;
  font-size:clamp(36px,5vw,64px);
  line-height:1.14;
  font-weight:800;
}
.page-hero h1 span{color:var(--cyan)}
.hero-copy{
  max-width:650px;
  margin-top:20px;
  color:#b5c8d4;
  font-size:16px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn{
  min-height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 18px;
  border:1px solid transparent;
  border-radius:7px;
  font-size:14px;
  font-weight:700;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:focus-visible,.filter-control:focus-visible,.search-input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(83,230,227,.34);
  outline-offset:3px;
}
.btn-primary{
  color:#041117;
  background:var(--cyan);
  box-shadow:0 0 24px rgba(83,230,227,.27);
}
.btn-primary:hover{background:#8af5ee;box-shadow:0 0 34px rgba(83,230,227,.48)}
.btn-secondary{border-color:var(--line-bright);color:var(--cyan);background:rgba(83,230,227,.04)}
.btn-secondary:hover{background:rgba(83,230,227,.12)}
.status-board{
  min-height:290px;
  padding:24px;
  position:relative;
  border:1px solid var(--line-bright);
  border-radius:var(--radius);
  background:linear-gradient(145deg,rgba(19,52,76,.8),rgba(8,22,39,.88));
  box-shadow:var(--shadow),0 0 35px rgba(78,167,255,.1);
}
.status-board:before{
  content:"";
  position:absolute;
  inset:12px;
  pointer-events:none;
  border:1px solid rgba(83,230,227,.08);
}
.board-head,.board-row,.board-foot{display:flex;align-items:center;justify-content:space-between;gap:16px}
.board-head{padding-bottom:18px;border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}
.live-dot,.status-dot{
  display:inline-block;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 10px var(--green);
}
.board-title{margin:25px 0 22px;font-size:24px;font-weight:800}
.board-title small{display:block;color:var(--muted);font-size:13px;font-weight:400;margin-top:5px}
.board-row{padding:12px 0;border-bottom:1px solid var(--line);font-size:13px}
.board-row span:first-child{color:var(--muted)}
.board-row strong{color:var(--text);font-weight:700}
.board-foot{margin-top:19px;color:var(--cyan);font-size:12px}
.section{padding:78px 0;position:relative}
.section-head{max-width:720px;margin-bottom:32px}
.section-head h2{margin-top:12px;font-size:clamp(27px,3vw,42px);line-height:1.2}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px}
.filter-shell{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:24px;
  align-items:start;
}
.filter-panel{
  padding:20px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(10,27,45,.72);
}
.filter-panel h3{font-size:15px;margin-bottom:18px}
.filter-group{padding:17px 0;border-top:1px solid var(--line)}
.filter-group:first-of-type{border-top:0;padding-top:0}
.filter-label{display:block;color:var(--muted);font-size:12px;margin-bottom:10px}
.filter-options{display:flex;flex-wrap:wrap;gap:7px}
.filter-control{
  border:1px solid var(--line);
  border-radius:6px;
  padding:7px 9px;
  color:var(--muted);
  background:rgba(255,255,255,.025);
  font-size:12px;
  transition:.2s;
}
.filter-control:hover,.filter-control.selected{color:var(--cyan);border-color:var(--line-bright);background:rgba(83,230,227,.1)}
.result-area{min-width:0}
.toolbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin-bottom:18px;
}
.result-count{color:var(--muted);font-size:13px}
.result-count strong{color:var(--text);font-size:19px;margin-right:5px}
.search-box{position:relative;width:min(280px,100%)}
.search-icon{position:absolute;left:13px;top:10px;color:var(--faint);font-size:15px}
.search-input{
  width:100%;
  height:40px;
  border:1px solid var(--line);
  border-radius:7px;
  padding:0 13px 0 36px;
  color:var(--text);
  background:rgba(7,17,31,.8);
}
.search-input::placeholder{color:var(--faint)}
.media-list{border-top:1px solid var(--line)}
.media-item{
  display:grid;
  grid-template-columns:160px 1fr auto;
  gap:22px;
  align-items:center;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s,padding .2s;
}
.media-item:hover{background:rgba(83,230,227,.045);padding-left:10px;padding-right:10px}
.cover{
  aspect-ratio:16/10;
  display:flex;
  align-items:flex-end;
  padding:12px;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(139,190,220,.25);
  border-radius:7px;
  background:
    linear-gradient(135deg,rgba(78,167,255,.18),transparent 48%),
    linear-gradient(160deg,#163c55 0%,#0a1b2e 58%,#221b38 100%);
}
.cover:before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(0deg,transparent 0 8px,rgba(83,230,227,.06) 9px 10px);
}
.cover b{position:relative;color:#dffaff;font-size:12px;letter-spacing:1px}
.media-info h3{font-size:18px;line-height:1.35;margin-bottom:7px}
.media-info p{color:var(--muted);font-size:13px;line-height:1.7}
.meta-line{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:9px}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:23px;
  padding:0 8px;
  border:1px solid var(--line);
  border-radius:5px;
  color:var(--muted);
  font-size:11px;
  background:rgba(255,255,255,.025);
}
.tag.cyan{color:var(--cyan);border-color:rgba(83,230,227,.4);background:rgba(83,230,227,.07)}
.tag.green{color:var(--green);border-color:rgba(158,230,180,.32)}
.media-action{white-space:nowrap}
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:28px}
.page-btn{
  width:38px;height:36px;
  border:1px solid var(--line);
  border-radius:6px;
  color:var(--muted);
  background:rgba(255,255,255,.025);
}
.page-btn:hover,.page-btn.current{color:var(--bg-deep);background:var(--cyan);border-color:var(--cyan)}
.page-btn:disabled{cursor:not-allowed;opacity:.4}
.info-strip{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:24px;
  margin-top:28px;
}
.info-panel{
  padding:25px;
  border-left:2px solid var(--cyan);
  background:rgba(15,31,51,.52);
}
.info-panel h3{font-size:18px;margin-bottom:10px}
.info-panel p{color:var(--muted);font-size:14px}
.faq-list{max-width:900px;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{
  list-style:none;
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:20px 0;
  cursor:pointer;
  font-size:16px;
  font-weight:700;
}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--cyan);font-size:20px;font-weight:400}
details[open] summary{color:var(--cyan)}
details[open] summary:after{content:"－"}
.answer{padding:0 45px 21px 0;color:var(--muted);font-size:14px}
.cta-band{
  padding:46px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(9,25,42,.72);
}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-inner h2{font-size:clamp(25px,3vw,38px);line-height:1.25}
.cta-inner p{margin-top:9px;color:var(--muted);font-size:14px}
footer{padding:46px 0 22px;background:rgba(4,11,21,.78)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:38px}
.footer-brand p{max-width:360px;margin-top:16px;color:var(--muted);font-size:13px}
.footer-col{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.footer-col h3{margin-bottom:8px;font-size:14px}
.footer-col a{color:var(--muted);font-size:13px;transition:color .2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  color:var(--faint);
  font-size:12px;
}
.system-state{display:flex;align-items:center;gap:8px}
.empty-state{
  display:none;
  padding:45px 20px;
  text-align:center;
  border:1px dashed var(--line-bright);
  color:var(--muted);
}
@media(max-width:1023px){
  .hero-grid{gap:34px}
  .filter-shell{grid-template-columns:190px 1fr}
  .media-item{grid-template-columns:135px 1fr auto;gap:16px}
}
@media(max-width:767px){
  .container{width:min(100% - 32px,var(--container))}
  .nav{min-height:68px}
  .brand{font-size:14px;gap:8px}
  .brand-mark{width:29px;height:29px}
  .menu-btn{display:block}
  .nav-links{
    display:none;
    position:absolute;
    left:16px;
    right:16px;
    top:68px;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:10px;
    border:1px solid var(--line);
    border-radius:7px;
    background:rgba(5,15,27,.97);
    box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 14px}
  .nav-links a.active:after{left:14px;right:auto;width:42px;bottom:5px}
  .page-hero{padding:38px 0 34px}
  .breadcrumb{margin-bottom:22px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .page-hero h1{font-size:38px}
  .hero-copy{font-size:15px}
  .status-board{min-height:0;padding:20px}
  .section{padding:58px 0}
  .filter-shell{display:block}
  .filter-panel{margin-bottom:22px}
  .filter-group{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .filter-label{margin:0;min-width:58px}
  .filter-options{justify-content:flex-end}
  .toolbar{align-items:flex-start;flex-direction:column}
  .search-box{width:100%}
  .media-item{grid-template-columns:112px 1fr;gap:13px;padding:16px 0}
  .media-action{grid-column:2;justify-self:start}
  .media-info h3{font-size:16px}
  .media-info p{font-size:12px}
  .info-strip{grid-template-columns:1fr}
  .cta-inner{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{align-items:flex-start;flex-direction:column}
}
@media(max-width:520px){
  .page-hero h1{font-size:34px}
  .filter-group{display:block}
  .filter-label{margin-bottom:9px}
  .filter-options{justify-content:flex-start}
  .media-item{grid-template-columns:96px 1fr}
  .cover{aspect-ratio:1/1.05}
  .tag{font-size:10px;padding:0 6px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
}