/* roulang page: index */
:root {
      --ink: #1B1E24;
      --muted: #5C616A;
      --paper: #F2EEE6;
      --card: #FFFCF7;
      --deep: #14171C;
      --metal: #2A3038;
      --orange: #FF7A1A;
      --amber: #F3B441;
      --pass: #1E9F86;
      --danger: #D9480F;
      --line: rgba(27, 30, 36, .12);
      --line-strong: rgba(27, 30, 36, .22);
      --white: #fff;
      --grad: linear-gradient(120deg, #FF7A1A 0%, #F3B441 52%, #2A3038 140%);
      --grad-btn: linear-gradient(110deg, #FF7A1A 0%, #F3B441 100%);
      --shadow: 0 18px 40px rgba(27, 20, 12, .12);
      --shadow-lg: 0 28px 60px rgba(20, 14, 8, .18);
      --radius: 28px;
      --radius-sm: 16px;
      --radius-xs: 14px;
      --pill: 999px;
      --space: 28px;
      --container: 1240px;
      --header-top: 46px;
      --header-main: 72px;
      --sticky-bar: 76px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background: var(--paper);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
      padding-bottom: calc(var(--sticky-bar) + env(safe-area-inset-bottom));
    }
    img { max-width: 100%; display: block; height: auto; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { line-height: 1.28; margin: 0; font-weight: 700; }
    p { margin: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    .skip-link {
      position: absolute; left: 12px; top: -40px; z-index: 10000;
      background: var(--ink); color: var(--white); padding: 10px 16px; border-radius: 10px;
    }
    .skip-link:focus { top: 12px; }
    .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
    .num { font-variant-numeric: tabular-nums; letter-spacing: .02em; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 32px; padding: 4px 12px; border-radius: var(--pill);
      background: var(--grad); color: var(--white); font-size: 12px; font-weight: 600;
      box-shadow: 0 8px 18px rgba(255, 122, 26, .28);
    }
    .badge.dark { background: var(--ink); color: var(--amber); box-shadow: none; }
    .badge.pass { background: var(--pass); color: var(--white); box-shadow: none; }
    .badge.ghost { background: rgba(255,255,255,.16); color: var(--white); box-shadow: none; border: 1px solid rgba(255,255,255,.22); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 48px; padding: 0 22px; border-radius: var(--pill); border: 0;
      font-size: 15px; font-weight: 600; transition: .22s ease; white-space: nowrap;
    }
    .btn-primary { background: var(--grad-btn); color: var(--white); box-shadow: 0 10px 22px rgba(255,122,26,.32); }
    .btn-primary:hover { transform: translateY(-2px) scale(1.02); filter: brightness(1.06); }
    .btn-primary:active { transform: translateY(0) scale(.99); }
    .btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
    .btn-ghost:hover { background: var(--ink); color: var(--white); }
    .btn-light { background: var(--white); color: var(--ink); }
    .btn-light:hover { transform: translateY(-2px); }
    .btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 3px solid var(--amber); outline-offset: 3px;
    }
    .site-header { position: relative; z-index: 80; }
    .tool-bar {
      background: var(--ink); color: #d8dbe0; font-size: 13px; height: var(--header-top);
      display: flex; align-items: center; transition: transform .25s ease, opacity .25s ease;
    }
    .tool-bar .container { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; }
    .tool-left, .tool-mid, .tool-right { display: flex; align-items: center; gap: 14px; }
    .tool-mid { justify-content: center; }
    .tool-right { justify-content: flex-end; }
    .tool-bar a { color: #f4f5f7; min-height: 44px; display: inline-flex; align-items: center; }
    .tool-bar .btn { min-height: 34px; padding: 0 14px; font-size: 13px; }
    .phone-link { font-weight: 700; color: var(--amber); font-size: 15px; }
    .main-bar {
      background: rgba(255,252,247,.94); backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--line); height: var(--header-main);
      display: flex; align-items: center; transition: box-shadow .2s ease;
    }
    .main-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .logo {
      display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; letter-spacing: .02em;
    }
    .logo-mark {
      width: 38px; height: 38px; border-radius: 12px; background: var(--grad);
      display: grid; place-items: center; color: #fff; font-size: 15px; box-shadow: 0 8px 16px rgba(255,122,26,.3);
    }
    .nav-links { display: flex; align-items: center; gap: 6px; }
    .nav-links a {
      position: relative; padding: 10px 12px; min-height: 44px; display: inline-flex; align-items: center;
      color: var(--muted); font-weight: 500; font-size: 15px;
    }
    .nav-links a:hover { color: var(--ink); }
    .nav-links a.active { color: var(--ink); font-weight: 700; }
    .nav-links a.active::after, .nav-links a:hover::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 3px; border-radius: var(--pill); background: var(--grad);
    }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px;
    }
    .menu-toggle span { display: block; height: 2px; background: var(--ink); margin: 6px 0; border-radius: 2px; }
    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: var(--card);
      transform: translateX(100%); transition: transform .28s ease; z-index: 90;
      display: flex; flex-direction: column; padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
      box-shadow: var(--shadow-lg);
    }
    .drawer.open { transform: translateX(0); }
    .drawer a { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid var(--line); font-weight: 600; }
    .drawer-mask { position: fixed; inset: 0; background: rgba(20,23,28,.46); opacity: 0; pointer-events: none; z-index: 85; transition: .2s; }
    .drawer-mask.show { opacity: 1; pointer-events: auto; }
    body.nav-stuck .tool-bar { transform: translateY(-100%); opacity: 0; pointer-events: none; }
    body.nav-stuck .main-bar { position: sticky; top: 0; box-shadow: var(--shadow); }
    .hero {
      position: relative; min-height: 720px; color: var(--white); overflow: hidden;
    }
    .slides { position: absolute; inset: 0; }
    .slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease;
      background-size: cover; background-position: center;
    }
    .slide.active { opacity: 1; }
    .slide::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(20,23,28,.82) 0%, rgba(20,23,28,.55) 46%, rgba(20,23,28,.22) 100%);
    }
    .hero-copy { position: relative; z-index: 2; padding: 92px 0 110px; max-width: 720px; }
    .kicker { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
    .hero h1 { font-size: clamp(32px, 4.4vw, 52px); margin-bottom: .28em; }
    .lead { font-size: 16px; color: #ece8e0; max-width: 640px; margin: .7em 0 1.1em; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 26px; }
    .check-row { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-bottom: 24px; }
    .check-item {
      display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.16); border-radius: 14px; padding: 10px 12px; font-size: 14px;
    }
    .check-item i {
      width: 18px; height: 18px; border-radius: 50%; background: var(--pass); display: grid; place-items: center; flex: 0 0 18px;
    }
    .stat-pills { display: flex; flex-wrap: wrap; gap: 10px; }
    .hero-controls {
      position: absolute; left: 0; right: 0; bottom: 22px; z-index: 3;
    }
    .hero-controls .container { display: flex; align-items: center; justify-content: space-between; }
    .dots { display: flex; gap: 8px; }
    .dots button {
      width: 34px; height: 8px; border: 0; border-radius: var(--pill); background: rgba(255,255,255,.35);
    }
    .dots button.active { background: var(--grad-btn); width: 46px; }
    .ctrl-btn {
      width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.3);
      background: rgba(20,23,28,.35); color: #fff;
    }
    section { padding: 84px 0; position: relative; }
    .sec-head { margin-bottom: 28px; max-width: 760px; }
    .sec-head h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: .7em; }
    .sec-head p { color: var(--muted); }
    .sells { display: grid; grid-template-columns: 1.35fr .95fr .85fr; gap: 18px; }
    .sell {
      background: var(--card); border-radius: var(--radius); padding: 28px; min-height: 240px;
      box-shadow: var(--shadow); border: 1px solid transparent; display: flex; flex-direction: column; gap: 12px;
      transition: .22s ease; text-align: left;
    }
    .sell:hover { transform: translateY(-6px); border-color: #F3B441; box-shadow: var(--shadow-lg); }
    .sell h3 { font-size: 22px; }
    .sell p { color: var(--muted); font-size: 15px; }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
    .stack-art { position: relative; min-height: 460px; }
    .stack-art img {
      width: 86%; border-radius: 32px; box-shadow: var(--shadow-lg); object-fit: cover; height: 420px;
    }
    .stack-art .float-card {
      position: absolute; right: 0; bottom: 10px; width: 58%; background: var(--card); border-radius: 24px;
      padding: 18px; box-shadow: var(--shadow); border-top: 4px solid #FF7A1A;
    }
    .spec-list { margin: 16px 0 22px; display: grid; gap: 10px; }
    .spec-list li {
      display: grid; grid-template-columns: 8px 1fr; gap: 10px; color: var(--muted);
    }
    .spec-list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--orange); margin-top: 9px; }
    .scene-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 22px; }
    .scene-nav { display: flex; flex-direction: column; gap: 10px; }
    .scene-tab {
      text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: 18px; padding: 16px 18px; min-height: 74px;
    }
    .scene-tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }
    .scene-panel {
      border-radius: 32px; overflow: hidden; min-height: 420px; position: relative; color: #fff;
      background-size: cover; background-position: center;
    }
    .scene-panel::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,23,28,.15), rgba(20,23,28,.78)); }
    .scene-panel-inner { position: relative; padding: 32px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 18px; }
    .step { background: rgba(255,255,255,.12); border-radius: 14px; padding: 12px; font-size: 13px; }
    .step b { display: block; color: var(--amber); margin-bottom: 4px; }
    .bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(180px, auto); gap: 16px; }
    .bento .card { background: var(--card); border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); position: relative; border-top: 4px solid transparent; border-image: var(--grad) 1; }
    .card-pad { padding: 20px; }
    .card img { width: 100%; height: 140px; object-fit: cover; }
    .card h3 { font-size: 18px; margin: 8px 0; }
    .card p { color: var(--muted); font-size: 14px; }
    .span-2 { grid-column: span 2; }
    .span-2 img { height: 190px; }
    .magazine { display: grid; grid-template-columns: 1.4fr .8fr; grid-template-rows: 1fr 1fr; gap: 18px; }
    .mag { background: var(--card); border-radius: 32px; overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
    .mag.main { grid-row: span 2; }
    .mag img { width: 100%; height: 220px; object-fit: cover; }
    .mag.main img { height: 360px; }
    .mag-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .price { font-size: 22px; font-weight: 800; }
    .price span { font-size: 13px; color: var(--muted); font-weight: 500; }
    .dark-band { background: linear-gradient(160deg, #14171C 0%, #1f242c 55%, #2A3038 100%); color: #fff; }
    .dark-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 28px; align-items: center; }
    .dark-band img { border-radius: 28px; height: 420px; width: 100%; object-fit: cover; }
    .compare { overflow-x: auto; margin-top: 18px; border-radius: 18px; border: 1px solid rgba(255,255,255,.12); }
    .compare table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 14px; }
    .compare th, .compare td { padding: 12px 14px; text-align: left; border-bottom: 1px solid rgba(255,255,255,.08); }
    .compare th { background: rgba(255,255,255,.05); color: var(--amber); }
    .stories { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 16px; }
    .story { background: var(--card); border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); }
    .story img { height: 180px; width: 100%; object-fit: cover; }
    .story-body { padding: 20px; }
    .stats {
      background: linear-gradient(90deg, #1B1E24 0%, #2A3038 50%, #F2EEE6 50.1%, #FFFCF7 100%);
      padding: 0;
    }
    .stats .container { display: grid; grid-template-columns: repeat(6, 1fr); }
    .stat {
      padding: 36px 16px; text-align: center; border-right: 1px solid rgba(255,255,255,.08);
    }
    .stat:nth-child(-n+3) { color: #fff; }
    .stat:nth-child(n+4) { color: var(--ink); border-right-color: var(--line); }
    .stat b { display: block; font-size: 32px; }
    .stat span { color: inherit; opacity: .78; font-size: 13px; }
    .logo-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
    .logo-chip {
      background: var(--card); border-radius: 18px; min-height: 86px; display: grid; place-items: center;
      text-align: center; padding: 12px; box-shadow: var(--shadow); font-weight: 700; font-size: 14px;
    }
    .logo-chip small { display: block; color: var(--muted); font-weight: 400; }
    .reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .review { background: var(--card); border-radius: 28px; padding: 22px; box-shadow: var(--shadow); }
    .stars { color: #FF7A1A; letter-spacing: 2px; margin-bottom: 8px; }
    .tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
    .tag { background: #f3ece0; border-radius: var(--pill); padding: 4px 10px; font-size: 12px; color: var(--muted); }
    .news { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card { background: var(--card); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); }
    .news-card img { height: 150px; width: 100%; object-fit: cover; }
    .news-card div { padding: 16px; }
    .flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .node {
      background: var(--card); border-radius: 28px; padding: 24px; min-height: 220px; box-shadow: var(--shadow);
      position: relative;
    }
    .node .n { width: 48px; height: 48px; border-radius: 50%; background: var(--grad); color: #fff; display: grid; place-items: center; font-weight: 800; margin-bottom: 14px; }
    .faq { display: grid; gap: 10px; }
    .faq-item { background: var(--card); border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: transparent; border: 0; min-height: 64px;
      padding: 16px 20px; font-size: 16px; font-weight: 700; display: flex; justify-content: space-between; gap: 12px;
    }
    .faq-item .a { display: none; padding: 0 20px 18px; color: var(--muted); }
    .faq-item.open .a { display: block; }
    .chev { transition: transform .2s; }
    .faq-item.open .chev { transform: rotate(180deg); }
    .guarantee { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .g-item { background: var(--card); border-radius: 24px; padding: 22px; box-shadow: var(--shadow); }
    .cta-band {
      background: linear-gradient(135deg, #1B1E24, #2A3038 40%, #FF7A1A);
      color: #fff;
    }
    .cta-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 24px; align-items: stretch; }
    .form-card { background: var(--card); color: var(--ink); border-radius: 32px; padding: 28px; box-shadow: var(--shadow-lg); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    label { font-size: 13px; font-weight: 600; display: grid; gap: 6px; }
    input, select, textarea {
      min-height: 46px; border-radius: var(--radius-xs); border: 1px solid var(--line-strong);
      padding: 10px 12px; background: #fff; color: var(--ink); width: 100%;
    }
    textarea { min-height: 88px; resize: vertical; }
    .error { color: var(--danger); font-size: 12px; min-height: 16px; }
    .form-success { display: none; background: #e8f7f3; color: #0f6d5c; border-radius: 16px; padding: 14px; margin-bottom: 12px; }
    .side-box { background: rgba(255,255,255,.08); border-radius: 28px; padding: 28px; }
    .member { overflow-x: auto; }
    .member table { width: 100%; min-width: 680px; border-collapse: collapse; background: var(--card); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); }
    .member th, .member td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }
    .member th { background: var(--ink); color: #fff; }
    .site-footer { background: #101317; color: #d7dbe2; padding: 64px 0 120px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr .9fr; gap: 24px; }
    .site-footer a { color: #f3f4f6; display: inline-flex; min-height: 36px; align-items: center; }
    .mini-map {
      height: 140px; border-radius: 18px; margin-top: 12px;
      background:
        linear-gradient(180deg, rgba(16,19,23,.1), rgba(16,19,23,.35)),
        url("/assets/images/44421b8a4dd9101e.jpg") center/cover;
      border: 1px solid rgba(255,255,255,.08);
    }
    .copy { margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: #9aa1ab; }
    .sticky-bar {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
      background: rgba(27,30,36,.96); color: #fff; transform: translateY(110%);
      transition: transform .25s ease; padding: 10px 0 calc(10px + env(safe-area-inset-bottom));
      box-shadow: 0 -12px 30px rgba(0,0,0,.25);
    }
    .sticky-bar.show { transform: translateY(0); }
    .sticky-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .alt-bg { background: #ebe6dc; }
    @media (max-width: 1280px) {
      .stats .container { grid-template-columns: repeat(3, 1fr); }
      .stat:nth-child(3) { border-right: 0; }
      .stat:nth-child(n+4) { background: #fffdf8; }
    }
    @media (max-width: 1024px) {
      .sells, .intro-grid, .scene-wrap, .dark-grid, .cta-grid, .foot-grid, .magazine, .stories, .news, .flow, .guarantee, .reviews { grid-template-columns: 1fr 1fr; }
      .magazine { grid-template-rows: auto; }
      .mag.main { grid-row: auto; }
      .bento { grid-template-columns: 1fr 1fr; }
      .nav-links, .tool-mid { display: none; }
      .menu-toggle { display: block; }
      .hero { min-height: 640px; }
    }
    @media (max-width: 768px) {
      .tool-bar { display: none; }
      .sells, .intro-grid, .scene-wrap, .dark-grid, .cta-grid, .foot-grid, .magazine, .stories, .news, .flow, .guarantee, .reviews, .logo-wall, .form-grid, .check-row, .bento, .stats .container { grid-template-columns: 1fr; }
      .span-2 { grid-column: auto; }
      .hero { min-height: 560px; }
      .hero-copy { padding: 72px 0 96px; }
      .steps { grid-template-columns: 1fr 1fr; }
      .stack-art { min-height: 360px; }
      .stack-art img, .stack-art .float-card { width: 100%; position: static; height: auto; }
      .sticky-bar { transform: none; }
      .scene-nav { flex-direction: row; overflow-x: auto; }
      .scene-tab { min-width: 180px; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 28px, var(--container)); }
      section { padding: 56px 0; }
      .btn { width: 100%; }
      .hero-actions .btn { width: auto; flex: 1; }
      .sticky-bar .container { flex-wrap: wrap; }
      .logo { font-size: 16px; }
    }

/* roulang page: index */
:root{--amber:#D9761F;--amber-bright:#E8892E;--amber-deep:#B85F12;--steel:#2A2F36;--graphite:#1F2328;--iron:#3A414A;--silver:#C9D0D6;--mist:#F3EFE6;--card:#FFFDF8;--ink:#1C1F24;--muted:#5C646E;--line:rgba(42,47,54,.12);--warn:#C45C26;--ok:#2F6B4F;--radius:24px;--radius-btn:999px;--shadow:0 12px 32px rgba(31,35,40,.08);--shadow-hover:0 18px 40px rgba(31,35,40,.16);--container:1180px;--narrow:1120px;--grad:linear-gradient(135deg,#1F2328 0%,#3A414A 52%,#D9761F 100%);--grad-btn:linear-gradient(135deg,#3A414A 0%,#D9761F 100%)}
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--mist);line-height:1.7;font-size:16px;overflow-x:hidden}
    img{max-width:100%;display:block;height:auto}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font-family:inherit}
    button{cursor:pointer;border:0;background:none}
    ul{list-style:none}
    h1,h2,h3{font-weight:800;line-height:1.25}
    :focus-visible{outline:3px solid var(--amber);outline-offset:2px}
    .container{width:min(100% - 40px,var(--container));margin:0 auto}
    .container-narrow{width:min(100% - 40px,var(--narrow));margin:0 auto}
    .skip{position:absolute;left:-999px;top:8px}
    .skip:focus{left:12px;z-index:80;background:#fff;padding:8px 12px;border-radius:8px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;transition:.2s ease}
    .btn-primary{color:#fff;background:var(--grad-btn);box-shadow:inset 0 -2px 0 rgba(0,0,0,.18),0 8px 18px rgba(217,118,31,.28)}
    .btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:inset 0 2px 8px rgba(255,255,255,.18),0 10px 22px rgba(217,118,31,.34)}
    .btn-primary:active{transform:none;filter:brightness(.96)}
    .btn-ghost{color:#fff;border:1.5px solid rgba(255,255,255,.7);background:rgba(31,35,40,.28)}
    .btn-ghost:hover{background:rgba(255,255,255,.12)}
    .btn-steel{color:var(--steel);border:1.5px solid var(--steel)}
    .btn-steel:hover{background:var(--steel);color:#fff}
    .btn-amber{color:#fff;background:var(--amber)}
    .btn-amber:hover{background:var(--amber-bright)}
    .badge{display:inline-flex;align-items:center;min-height:32px;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:700;background:rgba(217,118,31,.12);color:var(--amber-deep)}
    .data-badge{display:flex;flex-direction:column;min-width:92px;padding:10px 14px;border-radius:18px;color:#fff;background-image:linear-gradient(rgba(31,35,40,.92),rgba(31,35,40,.92)),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;border:1px solid transparent;box-shadow:0 8px 20px rgba(0,0,0,.18)}
    .data-badge b{font-variant-numeric:tabular-nums;font-size:22px;line-height:1.1}
    .data-badge span{font-size:12px;color:var(--silver)}
    .topbar{background:var(--graphite);color:var(--silver);font-size:13px}
    .topbar-inner,.nav-inner{width:min(100% - 40px,var(--container));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .topbar-inner{min-height:44px;display:grid;grid-template-columns:1.1fr 1.5fr auto}
    .brand-mini{color:#fff;font-weight:800;display:flex;align-items:baseline;gap:8px}
    .brand-mini em{font-style:normal;color:var(--amber);font-size:12px}
    .top-meta{text-align:center}
    .top-actions{display:flex;align-items:center;gap:12px}
    .top-actions .phone{color:#fff;font-weight:800;font-variant-numeric:tabular-nums;min-height:44px;display:inline-flex;align-items:center}
    .top-actions .btn{min-height:36px;padding:0 16px;font-size:13px}
    .nav-wrap{background:rgba(243,239,230,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
    .nav-inner{min-height:72px}
    .logo{display:flex;align-items:center;gap:10px;min-height:44px}
    .logo-mark{width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800}
    .logo strong{display:block;font-size:18px}
    .logo small{display:block;font-size:12px;color:var(--muted);font-weight:500}
    .menu{display:flex;flex-wrap:wrap;gap:2px}
    .menu a{min-height:44px;padding:0 11px;display:inline-flex;align-items:center;font-size:14px;font-weight:700;color:var(--steel);border-radius:999px}
    .menu a:hover,.menu a.active{color:var(--amber-deep);background:rgba(217,118,31,.1)}
    .nav-cta{display:none}
    .burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);flex-direction:column;justify-content:center;align-items:center;gap:5px}
    .burger span{width:18px;height:2px;background:var(--steel)}
    .hero{position:relative;min-height:88vh;color:#fff;overflow:hidden}
    .hero-slides{position:absolute;inset:0}
    .hero-slide{position:absolute;inset:0;opacity:0;transition:opacity .6s ease;background-size:cover;background-position:center}
    .hero-slide.active{opacity:1}
    .hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(31,35,40,.9) 0%,rgba(58,65,74,.62) 52%,rgba(217,118,31,.3) 100%)}
    .hero-content{position:relative;z-index:2;width:min(100% - 40px,var(--container));margin:0 auto;min-height:88vh;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;padding:48px 0 80px}
    .hero h1{font-size:clamp(30px,4.6vw,54px);max-width:14ch;margin:12px 0 16px}
    .hero .lead{max-width:42em;color:#e8ecef}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .check-board{background:rgba(255,253,248,.08);border:1px solid rgba(201,208,214,.22);border-radius:24px;padding:22px;backdrop-filter:blur(10px)}
    .check-board h3{font-size:18px;margin-bottom:12px}
    .check-item{display:flex;gap:10px;min-height:44px;align-items:flex-start;background:rgba(31,35,40,.35);border-radius:14px;padding:10px 12px;margin-bottom:8px}
    .tick{width:22px;height:22px;border-radius:50%;background:var(--amber);display:grid;place-items:center;flex-shrink:0;font-size:12px;margin-top:2px}
    .hero-ctrl{position:absolute;z-index:3;left:50%;bottom:20px;transform:translateX(-50%);display:flex;gap:8px;align-items:center}
    .arrow,.pause-btn{min-width:44px;min-height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.4);color:#fff}
    .dot{width:10px;height:10px;min-width:10px;min-height:10px;border-radius:999px;background:rgba(255,255,255,.4)}
    .dot.active{width:28px;min-width:28px;background:var(--amber)}
    .progress-bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.18);z-index:3}
    .progress-bar i{display:block;height:100%;width:0;background:var(--amber)}
    main section{padding:96px 0}
    .sec-head{margin-bottom:28px}
    .sec-head h2{font-size:clamp(26px,3vw,32px);margin:8px 0 12px}
    .sec-head p{color:var(--muted);max-width:46em}
    .kicker{color:var(--amber-deep);font-size:13px;font-weight:800;letter-spacing:.12em}
    .promises{background:var(--card);padding-top:56px}
    .promise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .promise-item{border-radius:24px;padding:28px;background:var(--mist);border:1px solid transparent;transition:.2s ease}
    .promise-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--amber)}
    .promise-no{font-variant-numeric:tabular-nums;font-size:28px;color:var(--amber);font-weight:800}
    .promise-item h3{font-size:20px;margin:8px 0}
    .promise-item p{color:var(--muted);font-size:15px}
    .split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
    .media-frame{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}
    .media-frame img{width:100%;height:460px;object-fit:cover}
    .badge-stack{position:absolute;right:16px;bottom:16px;display:grid;gap:8px}
    .copy p{color:var(--muted);margin-bottom:12px}
    .spec-list{margin:16px 0 22px;display:grid;gap:8px}
    .spec-list li{display:flex;gap:8px;font-size:15px}
    .spec-list li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);margin-top:8px;flex-shrink:0}
    .scenes,.advantages,.compare,.insights,.stores,.legal-block{background:var(--card)}
    .scene-layout{display:grid;grid-template-columns:280px 1fr;gap:24px}
    .scene-tab{text-align:left;width:100%;min-height:64px;padding:12px 16px;border-radius:16px;background:var(--mist);font-weight:700;margin-bottom:8px;border:1px solid transparent}
    .scene-tab.active,.scene-tab:hover{border-color:var(--amber);background:#fff;color:var(--amber-deep);box-shadow:var(--shadow)}
    .scene-view{border-radius:28px;overflow:hidden;position:relative}
    .scene-view img{width:100%;height:460px;object-fit:cover}
    .scene-caption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(31,35,40,.82);color:#fff;border-radius:18px;padding:16px 18px}
    .board{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .axis-item{display:grid;grid-template-columns:92px 1fr;gap:16px;padding:18px 0 18px 22px;border-left:2px solid rgba(217,118,31,.35);margin-left:12px;position:relative}
    .axis-item::before{content:"";width:12px;height:12px;border-radius:50%;background:var(--amber);position:absolute;left:-7px;top:26px}
    .axis-item b{font-variant-numeric:tabular-nums;color:var(--amber-deep)}
    .calendar{background:var(--card);border-radius:24px;padding:22px;box-shadow:var(--shadow)}
    .cal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}
    .cal-cell{background:var(--mist);border-radius:12px;padding:10px 8px;text-align:center;font-size:13px}
    .cal-cell strong{display:block;font-size:15px}
    .cal-cell.on{background:rgba(217,118,31,.14);color:var(--amber-deep)}
    .adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .adv-card{background:var(--mist);border-radius:24px;padding:22px;position:relative;box-shadow:var(--shadow);border:1px solid transparent;transition:.2s ease}
    .adv-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--amber)}
    .adv-card img{width:100%;height:150px;object-fit:cover;border-radius:16px;margin-bottom:14px}
    .adv-card h3{font-size:20px;margin-bottom:8px}
    .adv-card p{color:var(--muted);font-size:15px}
    .adv-card .data-badge{position:absolute;top:18px;right:18px}
    .project-stage{display:grid;grid-template-columns:1.4fr .8fr;grid-template-rows:1fr 1fr;gap:18px}
    .project-card{border-radius:28px;overflow:hidden;position:relative;min-height:240px;color:#fff;display:flex;align-items:flex-end;box-shadow:var(--shadow)}
    .project-card.big{grid-row:span 2;min-height:520px}
    .project-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
    .project-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(31,35,40,.08),rgba(31,35,40,.84))}
    .project-body{position:relative;z-index:1;padding:24px}
    .project-body h3{font-size:24px;margin:6px 0 8px}
    .project-body li{font-size:14px;opacity:.92}
    .price{font-variant-numeric:tabular-nums;font-size:18px;font-weight:800;color:#FFD7A6;margin-bottom:8px}
    .cases{background:var(--grad);color:#fff}
    .cases .sec-head p{color:#d7dde3}
    .case-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px}
    .case-quote{font-size:28px;font-weight:800;line-height:1.4;margin-bottom:12px}
    .case-item{background:rgba(255,253,248,.08);border:1px solid rgba(201,208,214,.16);border-radius:20px;padding:18px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;margin-bottom:12px}
    .case-item p{color:#d7dde3;font-size:14px}
    .city-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
    .heat{border-radius:28px;min-height:360px;color:#fff;padding:24px;position:relative;overflow:hidden;background:radial-gradient(circle at 30% 40%,rgba(217,118,31,.45),transparent 22%),radial-gradient(circle at 62% 28%,rgba(232,244,244,.35),transparent 18%),linear-gradient(160deg,#2A2F36,#1F2328)}
    .heat::before{content:"";position:absolute;inset:0;opacity:.16;background-image:linear-gradient(#c9d0d6 1px,transparent 1px),linear-gradient(90deg,#c9d0d6 1px,transparent 1px);background-size:42px 42px}
    .city-pills,.topic-cloud{display:flex;flex-wrap:wrap;gap:8px;position:relative}
    .city-pills span,.topic-cloud a{min-height:40px;padding:8px 14px;border-radius:999px;display:inline-flex;align-items:center;font-size:13px;font-weight:700}
    .city-pills span{background:rgba(255,255,255,.1)}
    .topic-cloud a{background:var(--mist)}
    .topic-cloud a:hover{background:rgba(217,118,31,.14);color:var(--amber-deep)}
    .rule-box{background:var(--mist);border-radius:24px;padding:24px}
    .rule-box li{padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
    .stats{background:var(--graphite);color:#fff;padding:48px 0}
    .stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .stat{background:rgba(255,255,255,.05);border-radius:20px;padding:18px;border:1px solid rgba(217,118,31,.35)}
    .stat b{display:block;font-size:32px;font-variant-numeric:tabular-nums}
    .story-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}
    .story-card{background:var(--card);border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:1px solid transparent;transition:.2s ease}
    .story-card:hover{transform:translateY(-5px);border-color:var(--amber);box-shadow:var(--shadow-hover)}
    .story-card img{width:100%;height:210px;object-fit:cover}
    .story-card .body{padding:18px}
    .tag{background:rgba(217,118,31,.12);color:var(--amber-deep);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700;margin-right:6px}
    .story-card p,.review p{color:var(--muted);font-size:15px}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .compare-col{border-radius:24px;padding:24px}
    .compare-col.good{background:#f3f7f3;border:1px solid rgba(47,107,79,.2)}
    .compare-col.warn{background:#fbf4ee;border:1px solid rgba(196,92,38,.18)}
    .compare-col h3{font-size:20px;margin-bottom:12px}
    .compare-col li{padding:10px 0;border-bottom:1px solid rgba(0,0,0,.06);display:flex;gap:8px;font-size:15px}
    .ok{color:var(--ok);font-weight:800}
    .no{color:var(--warn);font-weight:800}
    .acc-toggle{display:none}
    .review-wall{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px}
    .review{background:var(--card);border-radius:22px;padding:20px;box-shadow:var(--shadow)}
    .review.featured{grid-row:span 2;background:var(--graphite);color:#fff}
    .review.featured p,.review.featured footer{color:#d7dde3}
    .stars{color:var(--amber);letter-spacing:2px;margin-bottom:8px}
    .review footer{margin-top:12px;font-size:13px;color:var(--muted)}
    .insight{display:grid;grid-template-columns:220px 1fr;gap:18px;background:var(--mist);border-radius:20px;overflow:hidden;margin-bottom:14px;border:1px solid var(--line)}
    .insight img{width:100%;height:150px;object-fit:cover}
    .insight .body{padding:16px 16px 16px 0}
    .insight h3{font-size:18px;margin-bottom:6px}
    .faq-item{background:var(--card);border-radius:18px;margin-bottom:10px;border:1px solid var(--line);overflow:hidden}
    .faq-item button{width:100%;text-align:left;min-height:56px;padding:14px 18px;font-weight:800;display:flex;justify-content:space-between;gap:12px;align-items:center}
    .faq-item .ans{display:none;padding:0 18px 16px;color:var(--muted);font-size:15px}
    .faq-item.open .ans{display:block}
    .plus{width:28px;height:28px;border-radius:50%;background:var(--mist);display:grid;place-items:center;flex-shrink:0}
    .guarantee{background:#F6E6CF;padding:42px 0}
    .g-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .g-item{background:rgba(255,253,248,.72);border-radius:18px;padding:16px;min-height:108px}
    .g-item h3{font-size:18px;margin-bottom:6px}
    .g-item p{font-size:14px;color:var(--muted)}
    .booking{background:linear-gradient(180deg,#fffdf8,#F3EFE6)}
    .book-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .form-card,.hotline-card{background:var(--card);border-radius:28px;padding:28px;box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .full{grid-column:1/-1}
    label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
    input,select,textarea{width:100%;min-height:48px;border-radius:12px;border:1px solid var(--line);background:#fff;padding:10px 12px;font-size:15px}
    textarea{min-height:96px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(217,118,31,.16);outline:none}
    .form-success{display:none;background:#f3f7f3;border-radius:16px;padding:16px;color:var(--ok);margin-top:12px}
    .big-phone{font-size:32px;font-weight:800;font-variant-numeric:tabular-nums;margin:8px 0 12px}
    .hours{color:var(--muted)}
    .legal-block{padding:48px 0 96px}
    .legal-block h2{font-size:22px;margin:16px 0 8px}
    .legal-block p{color:var(--muted);font-size:14px}
    footer{background:var(--graphite);color:#d7dde3;padding:64px 0 28px}
    .foot-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1fr;gap:28px}
    .foot-brand strong{color:#fff;font-size:20px;display:block;margin-bottom:10px}
    footer a{color:#d7dde3;min-height:36px;display:inline-flex;align-items:center}
    footer a:hover{color:var(--amber)}
    footer h3{color:#fff;font-size:16px;margin-bottom:10px}
    .copyline{border-top:1px solid rgba(255,255,255,.08);margin-top:28px;padding-top:16px;font-size:13px;color:#9aa3ab;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
    .floatbar{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(31,35,40,.96);color:#fff;display:none;padding:10px 16px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -8px 24px rgba(0,0,0,.2)}
    .floatbar.show{display:grid;grid-template-columns:1.4fr auto auto;align-items:center;gap:12px}
    .floatbar .phone{font-weight:800;font-variant-numeric:tabular-nums;min-height:44px;display:inline-flex;align-items:center}
    .drawer{position:fixed;inset:0;background:rgba(31,35,40,.5);z-index:70;display:none}
    .drawer.open{display:block}
    .drawer-panel{position:absolute;right:0;top:0;bottom:0;width:min(86vw,360px);background:#fffdf8;padding:24px 18px;overflow:auto}
    .drawer-panel a{min-height:48px;display:flex;align-items:center;font-weight:700;border-bottom:1px solid var(--line)}
    @media (max-width:1440px){.hero h1{font-size:46px}}
    @media (max-width:1024px){
      main section{padding:72px 0}
      .hero-content,.split,.scene-layout,.board,.case-grid,.city-wrap,.book-grid,.foot-grid{grid-template-columns:1fr 1fr}
      .adv-grid,.story-grid,.review-wall,.project-stage{grid-template-columns:1fr 1fr}
      .project-card.big{grid-row:auto;min-height:360px}
      .stat-grid,.g-grid{grid-template-columns:repeat(3,1fr)}
      .menu{display:none}
      .burger{display:flex}
      .topbar-inner{grid-template-columns:1fr auto}
      .top-meta{display:none}
    }
    @media (max-width:768px){
      .hero-content,.promise-grid,.split,.scene-layout,.board,.adv-grid,.project-stage,.case-grid,.city-wrap,.stat-grid,.story-grid,.compare-grid,.review-wall,.g-grid,.book-grid,.foot-grid,.form-grid,.insight{grid-template-columns:1fr}
      .hero{min-height:100svh}
      .hero-content{min-height:auto;padding:36px 0 88px}
      .media-frame img,.scene-view img{height:280px}
      .arrow{display:none}
      .floatbar.show{grid-template-columns:1fr auto}
      .hide-m{display:none!important}
      .top-actions .phone{display:none}
      .nav-cta{display:inline-flex}
      body{padding-bottom:76px}
      .acc-toggle{display:block;width:100%;min-height:48px;font-weight:800}
      .compare-col{display:none}
      .compare-col.open{display:block}
      footer{padding-bottom:96px}
    }
    @media (max-width:520px){
      .container,.container-narrow,.topbar-inner,.nav-inner,.hero-content{width:min(100% - 24px,var(--container))}
      main section{padding:48px 0}
      .hero h1{font-size:30px}
      .cal-grid{grid-template-columns:1fr 1fr}
      .copyline{flex-direction:column}
    }