/* roulang page: index */
:root {
      --c-orange: #C44512;
      --c-orange-dark: #9A360E;
      --c-orange-deep: #7A2A0B;
      --c-steel: #3A4650;
      --c-steel-2: #2E3840;
      --c-graphite: #1C2127;
      --c-graphite-2: #14181C;
      --c-concrete: #F3F0EA;
      --c-paper: #FBF8F2;
      --c-white: #FFFcf7;
      --c-green: #3E6B48;
      --c-green-2: #2F5238;
      --c-yellow: #D4A017;
      --c-yellow-2: #B88912;
      --c-text: #1C2127;
      --c-muted: #5C6770;
      --c-faint: #8A939B;
      --c-border: #C9C3B6;
      --c-line: #8E97A0;
      --c-panel: #E7E2D6;
      --radius: 6px;
      --radius-sm: 4px;
      --shadow: 0 1px 0 rgba(28, 33, 39, .05), 0 10px 28px rgba(28, 33, 39, .07);
      --shadow-sm: 0 1px 2px rgba(28, 33, 39, .06);
      --nav-h: 74px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --mono: "DIN Alternate", "Tabular nums", "SF Mono", "Cascadia Mono", ui-monospace, monospace;
      --ease: .22s ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 86px; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      color: var(--c-text);
      background: var(--c-concrete);
      line-height: 1.8;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-orange); text-decoration: none; transition: color var(--ease), opacity var(--ease); }
    a:hover { color: var(--c-orange-dark); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--c-orange);
      outline-offset: 3px;
    }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { margin: 0 0 .6em; line-height: 1.28; font-weight: 700; letter-spacing: .02em; }
    h1 { font-size: 40px; }
    h2 { font-size: 28px; }
    h3 { font-size: 20px; }
    p { margin: 0 0 .85em; }
    ul, ol { margin: 0; padding: 0; }
    table { border-collapse: collapse; width: 100%; }
    .container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
    .container-wide { width: min(1280px, calc(100% - 32px)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 8px;
      background: var(--c-orange); color: #fff; padding: 8px 14px; z-index: 80;
    }
    .skip:focus { left: 8px; }
    .num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; letter-spacing: .02em; }
    .topbar {
      background: var(--c-steel);
      color: #E6E2DA;
      font-size: 13px;
      line-height: 1.4;
    }
    .topbar-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      min-height: 40px; padding: 6px 0; flex-wrap: wrap;
    }
    .topbar a { color: #F3EFE6; }
    .topbar a:hover { color: #fff; }
    .topbar-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; }
    .topbar-meta span { display: inline-flex; align-items: center; gap: 6px; }
    .topbar-meta svg { flex: 0 0 auto; }
    .topbar-cta {
      color: var(--c-yellow) !important;
      border-bottom: 1px solid rgba(212, 160, 23, .45);
      padding-bottom: 1px;
      min-height: 32px;
      display: inline-flex; align-items: center;
    }
    .nav-main {
      position: sticky; top: 0; z-index: 60;
      background: rgba(251, 248, 242, .94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--c-border);
    }
    .nav-row {
      display: flex; align-items: center; gap: 18px;
      min-height: var(--nav-h);
    }
    .logo {
      display: flex; align-items: center; gap: 10px;
      color: var(--c-graphite); font-weight: 800; letter-spacing: .04em;
      font-size: 18px; white-space: nowrap; flex: 0 0 auto;
    }
    .logo:hover { color: var(--c-orange); }
    .logo-mark {
      width: 34px; height: 34px; border-radius: 4px;
      background: var(--c-orange); color: #fff;
      display: grid; place-items: center; font-size: 13px; font-weight: 800;
      box-shadow: inset 0 -2px 0 rgba(0,0,0,.18);
    }
    .nav-links {
      display: flex; align-items: center; gap: 4px; margin-left: auto; list-style: none;
    }
    .nav-links a {
      color: var(--c-steel); font-size: 14px; font-weight: 600;
      padding: 10px 10px; min-height: 44px; display: inline-flex; align-items: center;
      border-bottom: 2px solid transparent;
    }
    .nav-links a:hover, .nav-links a.is-active {
      color: var(--c-orange); border-bottom-color: var(--c-orange);
    }
    .nav-actions { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 18px; border-radius: var(--radius-sm);
      font-weight: 700; letter-spacing: .04em; border: 1px solid transparent;
      transition: background var(--ease), color var(--ease), transform var(--ease), box-shadow var(--ease), border-color var(--ease);
      cursor: pointer; text-align: center;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(1px); }
    .btn-primary {
      background: var(--c-orange); color: #fff;
      box-shadow: 0 2px 0 var(--c-orange-deep);
    }
    .btn-primary:hover { background: var(--c-orange-dark); color: #fff; }
    .btn-ghost {
      background: transparent; color: #fff;
      border-color: rgba(255,255,255,.55);
    }
    .btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; border-color: #fff; }
    .btn-steel {
      background: var(--c-white); color: var(--c-steel);
      border-color: var(--c-steel);
    }
    .btn-steel:hover { background: var(--c-steel); color: #fff; }
    .btn-block { width: 100%; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--c-border);
      background: var(--c-white); border-radius: var(--radius-sm);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { display: block; width: 18px; height: 2px; background: var(--c-steel); }
    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(360px, 100%);
      background: var(--c-graphite); color: #EDE8DF; z-index: 70;
      transform: translateX(100%); transition: transform .28s ease;
      display: flex; flex-direction: column; padding: 22px 22px 32px;
      box-shadow: -16px 0 40px rgba(0,0,0,.28);
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
    .drawer-head strong { font-size: 16px; }
    .drawer-close {
      width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.2);
      background: transparent; color: #fff; border-radius: 4px; font-size: 22px;
    }
    .drawer nav { display: flex; flex-direction: column; gap: 4px; }
    .drawer nav a {
      color: #EDE8DF; min-height: 48px; display: flex; align-items: center;
      padding: 8px 4px; border-bottom: 1px solid rgba(255,255,255,.08); font-weight: 600;
    }
    .drawer .btn { margin-top: 18px; }
    .drawer-phone { margin-top: auto; padding-top: 18px; color: #C9C3B6; font-size: 14px; }
    .drawer-phone a { color: var(--c-yellow); }
    .backdrop {
      position: fixed; inset: 0; background: rgba(20, 24, 28, .46); z-index: 65;
      opacity: 0; pointer-events: none; transition: opacity .22s ease;
    }
    .backdrop.is-open { opacity: 1; pointer-events: auto; }
    main { display: block; }
    .hero {
      position: relative; background: var(--c-graphite);
      min-height: 640px; overflow: hidden;
    }
    .hero-track { position: relative; min-height: 640px; }
    .slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden;
      transition: opacity .6s ease, visibility .6s ease;
    }
    .slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .slide img {
      width: 100%; height: 640px; object-fit: cover; filter: saturate(.92) contrast(1.05);
    }
    .slide-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(20,24,28,.82) 0%, rgba(20,24,28,.58) 46%, rgba(20,24,28,.28) 100%),
        linear-gradient(180deg, rgba(20,24,28,.15) 0%, rgba(20,24,28,.55) 100%);
    }
    .hero-grid {
      position: relative; z-index: 2;
      display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
      gap: 36px; align-items: center;
      min-height: 640px; padding: 42px 0 72px;
    }
    .hero-copy { color: #F6F1E8; max-width: 640px; }
    .brand-chip {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(196, 69, 18, .18); color: #F3D2C2;
      border: 1px solid rgba(196, 69, 18, .45);
      padding: 6px 10px; border-radius: 4px; font-size: 13px; font-weight: 700;
      letter-spacing: .08em; margin-bottom: 14px;
    }
    .hero h1 { color: #fff; font-size: 40px; margin-bottom: 12px; }
    .slide-line {
      color: var(--c-yellow); font-weight: 700; font-size: 15px; margin-bottom: 10px;
      min-height: 24px;
    }
    .hero-lead { font-size: 16px; line-height: 1.85; color: #E4DDD2; margin-bottom: 22px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .voucher-wall { display: grid; gap: 12px; }
    .voucher {
      background: var(--c-paper);
      border: 1px solid #D9D1C3;
      border-radius: 6px;
      overflow: hidden;
      box-shadow: var(--shadow);
      position: relative;
    }
    .voucher::after {
      content: ""; position: absolute; right: -8px; top: 50%; width: 16px; height: 16px;
      background: var(--c-graphite); border-radius: 50%; transform: translateY(-50%);
      box-shadow: 0 -46px 0 var(--c-graphite), 0 46px 0 var(--c-graphite);
      opacity: .18;
    }
    .hazard {
      height: 8px;
      background: repeating-linear-gradient(-45deg, #1C2127 0 8px, #D4A017 8px 16px);
    }
    .voucher-body { padding: 16px 18px 18px; }
    .voucher-kicker { font-size: 12px; color: var(--c-muted); letter-spacing: .12em; margin: 0 0 4px; }
    .voucher-title { font-size: 22px; margin: 0 0 8px; color: var(--c-graphite); }
    .voucher-list { list-style: none; color: var(--c-steel); font-size: 14px; margin: 0 0 14px; }
    .voucher-list li { padding: 3px 0 3px 16px; position: relative; }
    .voucher-list li::before {
      content: ""; position: absolute; left: 0; top: 11px; width: 8px; height: 8px;
      background: var(--c-orange); transform: rotate(45deg);
    }
    .voucher-code { font-size: 12px; color: var(--c-faint); font-variant-numeric: tabular-nums; }
    .voucher-sub { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 16px; }
    .voucher-sub strong { font-size: 14px; }
    .voucher-sub span { font-size: 12px; color: var(--c-muted); }
    .linkish {
      background: none; border: 0; color: var(--c-orange); font-weight: 700;
      min-height: 44px; padding: 0 4px;
    }
    .carousel-ctrl {
      position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
      display: flex; align-items: center; gap: 12px;
      padding: 0 0 16px;
    }
    .progress-bar { display: flex; flex: 1; gap: 6px; }
    .progress-bar button {
      flex: 1; height: 6px; padding: 0; border: 0; background: rgba(255,255,255,.28);
      border-radius: 99px; min-height: 6px; position: relative;
    }
    .progress-bar button::after {
      content: ""; position: absolute; inset: -16px 0; 
    }
    .progress-bar button.is-active { background: var(--c-orange); }
    .progress-bar button .fill {
      display: block; height: 100%; width: 0; background: var(--c-yellow); border-radius: 99px;
    }
    .progress-bar button.is-active .fill { width: 100%; transition: width 6s linear; }
    .hero-pause {
      width: 44px; height: 44px; border-radius: 4px;
      border: 1px solid rgba(255,255,255,.35); background: rgba(20,24,28,.45); color: #fff;
    }
    section { padding: 76px 0; scroll-margin-top: 86px; }
    .sec-head { margin-bottom: 28px; max-width: 760px; }
    .sec-kicker {
      display: inline-block; color: var(--c-orange); font-size: 13px; font-weight: 700;
      letter-spacing: .14em; margin-bottom: 8px;
    }
    .sec-head p { color: var(--c-muted); margin: 0; }
    .sec-alt { background: var(--c-paper); }
    .sec-plain { background: var(--c-concrete); }
    .dash {
      background:
        linear-gradient(180deg, #EFEBE3, #EFEBE3),
        repeating-linear-gradient(90deg, transparent, transparent 31px, rgba(58,70,80,.06) 31px 32px);
      border-top: 1px solid var(--c-border);
      border-bottom: 1px solid var(--c-border);
      padding: 36px 0 44px;
    }
    .kpi-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
    }
    .kpi {
      background: var(--c-white); border: 1px solid #D2CCC0; border-radius: 4px;
      padding: 16px 16px 14px; min-height: 128px;
      box-shadow: inset 0 1px 0 #fff;
      position: relative;
    }
    .kpi::before {
      content: ""; position: absolute; left: 0; top: 12px; bottom: 12px; width: 3px;
      background: var(--c-orange);
    }
    .kpi-label { font-size: 13px; color: var(--c-muted); margin: 0 0 6px; }
    .kpi-value {
      font-size: 28px; font-weight: 800; line-height: 1.15; margin: 0 0 6px;
      font-variant-numeric: tabular-nums; color: var(--c-graphite);
    }
    .kpi-value em { font-style: normal; color: var(--c-orange); font-size: 28px; }
    .kpi-unit { font-size: 14px; font-weight: 600; color: var(--c-steel); margin-left: 4px; }
    .kpi-note { font-size: 12px; color: var(--c-faint); margin: 0; }
    .split {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center;
    }
    .split-rev { grid-template-columns: .95fr 1.05fr; }
    .frame {
      border: 1px solid #D2CCC0; border-radius: 6px; overflow: hidden; background: #ddd;
      box-shadow: var(--shadow-sm);
    }
    .frame img { width: 100%; height: 420px; object-fit: cover; }
    .spec-inline {
      display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px;
      margin: 18px 0 0; padding: 14px 0 0; border-top: 1px dashed var(--c-border);
      font-size: 14px;
    }
    .spec-inline dt { color: var(--c-muted); }
    .spec-inline dd { margin: 0; font-weight: 700; color: var(--c-steel); }
    .matrix {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
    }
    .cap-card {
      background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px;
      padding: 18px 18px 16px; min-height: 100%;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .cap-card:hover { transform: translateY(-3px); border-color: var(--c-orange); box-shadow: var(--shadow); }
    .ico {
      width: 42px; height: 42px; border: 1px solid var(--c-steel); color: var(--c-steel);
      display: grid; place-items: center; border-radius: 4px; margin-bottom: 12px;
    }
    .cap-card h3 { font-size: 18px; margin-bottom: 8px; }
    .cap-card p { font-size: 14px; color: var(--c-muted); margin-bottom: 10px; }
    .cap-card ul { list-style: none; font-size: 14px; color: var(--c-steel); }
    .cap-card li { padding: 4px 0 4px 14px; position: relative; }
    .cap-card li::before { content: ""; width: 6px; height: 1.5px; background: var(--c-orange); position: absolute; left: 0; top: 13px; }
    .model-grid {
      display: grid; grid-template-columns: 1fr 1.18fr 1fr; gap: 16px; align-items: stretch;
    }
    .model {
      background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px; overflow: hidden;
      display: flex; flex-direction: column;
    }
    .model img { width: 100%; height: 190px; object-fit: cover; }
    .model-body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .model.featured {
      border-color: var(--c-yellow-2);
      box-shadow: 0 0 0 1px var(--c-yellow);
      transform: translateY(-8px);
    }
    .model.featured img { height: 230px; }
    .tag {
      display: inline-flex; align-items: center; min-height: 26px; padding: 0 8px;
      border-radius: 3px; font-size: 12px; font-weight: 700; letter-spacing: .06em;
    }
    .tag-orange { background: #F4E1D6; color: var(--c-orange-dark); }
    .tag-yellow { background: #F7E7B8; color: #7A5A08; }
    .tag-green { background: #DCE8DE; color: var(--c-green-2); }
    .tag-steel { background: #E4E8EB; color: var(--c-steel); }
    .params { width: 100%; font-size: 13.5px; }
    .params th, .params td { text-align: left; padding: 7px 0; border-bottom: 1px solid #E6E0D4; }
    .params th { color: var(--c-muted); font-weight: 500; width: 42%; }
    .params td { font-weight: 700; color: var(--c-steel); font-variant-numeric: tabular-nums; }
    .scene-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
    .scene-bar button {
      min-height: 44px; padding: 8px 14px; border-radius: 99px;
      border: 1px solid var(--c-border); background: var(--c-white); color: var(--c-steel); font-weight: 700;
    }
    .scene-bar button.is-on, .scene-bar button:hover {
      background: var(--c-orange); color: #fff; border-color: var(--c-orange);
    }
    .scene-stage {
      display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; align-items: stretch;
    }
    .scene-stage img { width: 100%; height: 420px; object-fit: cover; }
    .scene-note {
      background: var(--c-graphite); color: #EDE8DF; padding: 22px 22px;
      border-radius: 6px; display: flex; flex-direction: column; justify-content: space-between;
    }
    .scene-note h3 { color: #fff; }
    .scene-note p { color: #C9C3B6; }
    .compare-wrap { overflow-x: auto; border: 1px solid #D5CFC3; border-radius: 6px; background: var(--c-white); }
    .compare { min-width: 640px; }
    .compare th, .compare td { padding: 14px 16px; text-align: left; border-bottom: 1px solid #E6E0D4; vertical-align: top; }
    .compare thead th { background: var(--c-steel); color: #F3EFE6; font-weight: 700; }
    .compare thead th.win { background: var(--c-green); }
    .compare tbody th { width: 22%; color: var(--c-muted); font-weight: 600; background: #F6F2EA; }
    .compare td.win { background: #F4F8F4; font-weight: 700; color: var(--c-green-2); position: relative; }
    .compare td.win::after {
      content: "优于人工"; position: absolute; right: 10px; top: 12px;
      font-size: 11px; color: #7A5A08; background: #F7E7B8; padding: 1px 6px; border-radius: 3px;
    }
    .note-bar {
      margin-top: 12px; font-size: 13px; color: var(--c-muted);
      padding: 10px 12px; background: #EFE8D8; border-left: 3px solid var(--c-yellow);
    }
    .dark {
      background: var(--c-graphite); color: #E8E2D8; padding: 80px 0;
      position: relative;
    }
    .dark::before {
      content: ""; position: absolute; inset: 0;
      background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 48px 48px; pointer-events: none;
    }
    .dark-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; position: relative; }
    .dark h2 { color: #fff; }
    .dark p { color: #C9C3B6; }
    .dark img { width: 100%; height: 360px; object-fit: cover; border-radius: 6px; }
    .check { list-style: none; }
    .check li {
      padding: 9px 0 9px 28px; position: relative; border-bottom: 1px solid rgba(255,255,255,.08);
      color: #EDE8DF;
    }
    .check li::before {
      content: ""; position: absolute; left: 0; top: 14px; width: 14px; height: 8px;
      border-left: 2px solid var(--c-yellow); border-bottom: 2px solid var(--c-yellow);
      transform: rotate(-45deg);
    }
    .timeline {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 6%; right: 6%; top: 18px; height: 2px;
      background: repeating-linear-gradient(90deg, var(--c-yellow) 0 12px, transparent 12px 20px);
    }
    .node {
      background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px; padding: 28px 14px 16px;
      position: relative;
    }
    .node i {
      position: absolute; top: 10px; left: 14px; width: 16px; height: 16px; border-radius: 50%;
      background: var(--c-yellow); border: 3px solid var(--c-graphite); display: block;
    }
    .node span { display: block; font-size: 12px; color: var(--c-orange); font-weight: 700; margin-bottom: 6px; }
    .node h3 { font-size: 16px; }
    .node p { font-size: 14px; color: var(--c-muted); margin: 0; }
    .story-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 14px; }
    .story {
      background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px; overflow: hidden;
      display: flex; flex-direction: column;
    }
    .story img { width: 100%; height: 160px; object-fit: cover; }
    .story-body { padding: 16px; }
    .story h3 { font-size: 18px; }
    .story p { font-size: 14px; color: var(--c-muted); }
    .param-board {
      display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 18px;
      background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px; padding: 8px 8px;
    }
    .param-item {
      display: grid; grid-template-columns: 140px 1fr; gap: 10px; align-items: center;
      padding: 12px 12px; border-bottom: 1px dashed #E3DCCA;
    }
    .param-item:nth-last-child(-n+2) { border-bottom: 0; }
    .param-item strong {
      font-size: 14px; color: var(--c-steel);
      background: #EFE8D8; padding: 8px 10px; border-radius: 4px; text-align: center;
    }
    .param-item span { font-size: 14px; color: var(--c-muted); }
    .quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .quote {
      background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px;
      padding: 18px 18px 16px; position: relative;
    }
    .quote::before {
      content: "“"; position: absolute; left: 12px; top: -8px;
      font-size: 56px; color: #E7D7C4; font-family: Georgia, serif; line-height: 1;
    }
    .quote p { font-size: 15px; color: var(--c-steel); margin: 12px 0 12px; }
    .quote footer { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 13px; color: var(--c-muted); }
    .stars { color: var(--c-yellow-2); letter-spacing: 2px; font-size: 12px; }
    .news-list { display: flex; flex-direction: column; gap: 12px; }
    .news {
      display: grid; grid-template-columns: 220px 1fr; gap: 16px;
      background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px; overflow: hidden;
      transition: border-color var(--ease), transform var(--ease);
    }
    .news:hover { border-color: var(--c-orange); transform: translateY(-2px); }
    .news img { width: 100%; height: 140px; object-fit: cover; }
    .news-body { padding: 14px 16px 14px 0; }
    .news time { font-size: 12px; color: var(--c-faint); font-variant-numeric: tabular-nums; }
    .news h3 { font-size: 18px; margin: 4px 0 8px; }
    .news p { font-size: 14px; color: var(--c-muted); margin: 0; }
    .more-link { margin-top: 16px; display: inline-flex; min-height: 44px; align-items: center; font-weight: 700; }
    .guard {
      display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px;
    }
    .guard-list { list-style: none; background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px; }
    .guard-list li {
      display: flex; justify-content: space-between; gap: 12px; align-items: flex-start;
      padding: 16px 18px; border-bottom: 1px solid #E6E0D4;
    }
    .guard-list li:last-child { border-bottom: 0; }
    .guard-list h3 { font-size: 16px; margin: 0 0 4px; }
    .guard-list p { font-size: 14px; color: var(--c-muted); margin: 0; }
    .badge {
      flex: 0 0 auto; min-height: 28px; padding: 4px 8px; border-radius: 3px;
      background: var(--c-steel); color: #fff; font-size: 12px; font-weight: 700;
    }
    .quick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .quick button {
      min-height: 72px; background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px;
      text-align: left; padding: 12px 14px; font-weight: 700; color: var(--c-steel);
    }
    .quick button.is-on { border-color: var(--c-orange); background: #FBF1EA; color: var(--c-orange-dark); }
    .quick-ans {
      margin-top: 12px; background: var(--c-white); border: 1px solid #D5CFC3;
      border-left: 4px solid var(--c-orange); padding: 16px 18px; border-radius: 6px;
      color: var(--c-steel); min-height: 84px;
    }
    .faq { display: flex; flex-direction: column; gap: 8px; }
    .faq-item { background: var(--c-white); border: 1px solid #D5CFC3; border-radius: 6px; overflow: hidden; }
    .faq-item button {
      width: 100%; min-height: 56px; text-align: left; background: transparent; border: 0;
      padding: 14px 48px 14px 18px; font-weight: 700; color: var(--c-graphite); position: relative;
    }
    .faq-item button::after {
      content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
      color: var(--c-orange); font-size: 20px;
    }
    .faq-item.is-open button::after { content: "–"; }
    .faq-item .ans { display: none; padding: 0 18px 16px; color: var(--c-muted); font-size: 15px; }
    .faq-item.is-open .ans { display: block; }
    .faq-item.is-open { border-color: var(--c-orange); }
    .convert {
      background:
        linear-gradient(180deg, rgba(28,33,39,.78), rgba(28,33,39,.86)),
        url("/assets/images/0c33ee0269fcc1d9.webp") center/cover no-repeat;
      padding: 80px 0;
    }
    .convert-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: start; }
    .form-card, .side-card {
      background: var(--c-paper); border-radius: 6px; padding: 24px 24px 22px;
      border: 1px solid #D5CFC3;
    }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 700; color: var(--c-steel); }
    .field input, .field select, .field textarea {
      min-height: 44px; border: 1px solid #C9C3B6; border-radius: 4px;
      padding: 8px 10px; background: #fff; color: var(--c-text);
    }
    .field textarea { min-height: 96px; resize: vertical; }
    .field .err { display: none; color: var(--c-orange); font-size: 12px; }
    .field.is-bad input, .field.is-bad select, .field.is-bad textarea { border-color: var(--c-orange); box-shadow: 0 0 0 3px rgba(196,69,18,.12); }
    .field.is-bad .err { display: block; }
    .form-ok {
      display: none; background: #E7F0E8; color: var(--c-green-2);
      border: 1px solid #B7CDBB; padding: 12px 14px; border-radius: 4px; margin-bottom: 12px;
    }
    .form-ok.is-show { display: block; }
    .side-card h3 { margin-bottom: 10px; }
    .side-card dl { margin: 0; }
    .side-card dt { font-size: 12px; color: var(--c-faint); margin-top: 12px; }
    .side-card dd { margin: 0; font-weight: 700; color: var(--c-steel); }
    .side-card a { color: var(--c-orange-dark); font-weight: 700; }
    footer.site {
      background: var(--c-graphite-2); color: #C9C3B6; padding: 42px 0 18px;
      border-top: 4px solid var(--c-orange);
    }
    .foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 24px; margin-bottom: 22px; }
    .foot-brand { color: #fff; font-size: 18px; font-weight: 800; margin-bottom: 8px; }
    .foot-map { list-style: none; display: grid; gap: 6px; }
    .foot-map a { color: #C9C3B6; min-height: 32px; display: inline-flex; align-items: center; }
    .foot-map a:hover { color: #fff; }
    .copy {
      border-top: 1px solid rgba(255,255,255,.08); padding-top: 14px;
      display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between;
      font-size: 13px;
    }
    .copy a { color: #C9C3B6; }
    @media (max-width: 1280px) {
      h1 { font-size: 36px; }
      .hero, .hero-track, .slide img, .hero-grid { min-height: 600px; }
      .slide img { height: 600px; }
    }
    @media (max-width: 1024px) {
      h1 { font-size: 32px; }
      h2 { font-size: 24px; }
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-grid, .split, .split-rev, .scene-stage, .dark-grid, .guard, .convert-grid, .foot-grid {
        grid-template-columns: 1fr;
      }
      .kpi-grid { grid-template-columns: repeat(2, 1fr); }
      .matrix { grid-template-columns: repeat(2, 1fr); }
      .model-grid { grid-template-columns: 1fr 1fr; }
      .model.featured { grid-column: 1 / -1; transform: none; }
      .model.featured img, .frame img, .scene-stage img, .dark img { height: 300px; }
      .timeline { grid-template-columns: 1fr; }
      .timeline::before { display: none; }
      .story-grid { grid-template-columns: 1fr; }
      .quick { grid-template-columns: 1fr 1fr; }
      .hero, .hero-track, .slide img, .hero-grid { min-height: auto; }
      .slide { position: relative; opacity: 0; height: 0; overflow: hidden; }
      .slide.is-active { height: auto; opacity: 1; }
      .slide img { height: 420px; }
      .hero-grid { padding: 28px 0 70px; }
      .nav-actions .btn { padding-inline: 12px; }
    }
    @media (max-width: 768px) {
      .container, .container-wide { width: min(100% - 28px, 1180px); }
      section, .dark, .convert { padding: 52px 0; }
      .topbar { font-size: 12px; }
      .logo { font-size: 15px; }
      .hero h1 { font-size: 28px; }
      h2 { font-size: 22px; }
      h3 { font-size: 18px; }
      .matrix, .quotes, .param-board, .form-grid, .kpi-grid { grid-template-columns: 1fr; }
      .param-item { grid-template-columns: 1fr; }
      .param-item:nth-last-child(-n+2) { border-bottom: 1px dashed #E3DCCA; }
      .news { grid-template-columns: 1fr; }
      .news img { height: 180px; }
      .news-body { padding: 12px 14px 16px; }
      .compare { min-width: 0; }
      .compare thead { display: none; }
      .compare, .compare tbody, .compare tr, .compare th, .compare td { display: block; width: 100%; }
      .compare tr { padding: 10px 12px 12px; border-bottom: 8px solid var(--c-concrete); }
      .compare td.win::after { position: static; display: inline-block; margin-left: 8px; }
      .voucher::after { display: none; }
      .quick { grid-template-columns: 1fr; }
      .foot-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 375px) {
      h1, .hero h1 { font-size: 24px; }
      .btn { padding-inline: 12px; }
      .logo-mark { width: 30px; height: 30px; }
      .slide img { height: 280px; }
      .kpi-value, .kpi-value em { font-size: 22px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .slide, .btn, .cap-card, .news { transition: none; }
      .progress-bar button.is-active .fill { transition: none; }
    }