/* roulang page: index */
:root {
      --ink: #1B2E2B;
      --celadon: #4F7A6C;
      --ochre: #9C5340;
      --ochre-deep: #7E4031;
      --paper: #F3EEE4;
      --dossier: #E6E0D4;
      --rule: #C9C1B2;
      --deep: #121C1A;
      --ok: #6B8F71;
      --text: #3A433F;
      --muted: #6A736E;
      --on-dark: #EDE7DB;
      --white: #FFFaf3;
      --radius: 4px;
      --radius-card: 6px;
      --shadow: 0 1px 0 rgba(27, 46, 43, 0.06);
      --space: 24px;
      --gutter: 20px;
      --max: 1200px;
      --header-main: 64px;
      --bar-h: 58px;
      --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--sans);
      color: var(--text);
      background: var(--paper);
      line-height: 1.8;
      font-size: 16px;
      padding-bottom: var(--bar-h);
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--celadon); text-decoration: none; transition: color .2s ease, border-color .2s ease; }
    a:hover { color: var(--ink); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { font-family: var(--serif); color: var(--ink); line-height: 1.35; margin: 0 0 .6em; font-weight: 700; }
    p { margin: 0 0 .95em; }
    ul, ol { margin: 0; padding: 0; }
    table { border-collapse: collapse; width: 100%; }
    :focus-visible {
      outline: 2px solid var(--celadon);
      outline-offset: 2px;
    }
    .skip {
      position: absolute; left: -999px; top: 0;
    }
    .skip:focus { left: 12px; top: 12px; background: #fff; padding: 8px 12px; z-index: 100; }
    .container {
      width: min(100% - 40px, var(--max));
      margin: 0 auto;
    }
    .kicker {
      display: flex; align-items: baseline; gap: 12px;
      font-size: 12px; letter-spacing: .18em; color: var(--celadon);
      text-transform: none; font-weight: 600; margin-bottom: 14px;
    }
    .kicker span.num {
      font-family: var(--serif); font-variant-numeric: tabular-nums; letter-spacing: 0; font-size: 13px; color: var(--ochre);
    }
    .lead {
      max-width: 46em; color: var(--text); margin-bottom: 28px; font-size: 15.5px;
    }
    .section {
      padding: 88px 0;
      border-top: 1px solid var(--rule);
    }
    .section--paper { background: var(--paper); }
    .section--dossier { background: var(--dossier); }
    .section--deep { background: var(--deep); color: var(--on-dark); border-top: 0; }
    .section--deep h2, .section--deep h3 { color: var(--on-dark); }
    .section--mint { background: #e7eee8; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 20px; border-radius: 2px; border: 1px solid transparent;
      font-size: 15px; font-weight: 600; letter-spacing: .04em; line-height: 1; transition: .2s ease;
    }
    .btn::after { content: "→"; display: inline-block; transition: transform .2s ease; }
    .btn:hover::after { transform: translateX(1px); }
    .btn-primary { background: var(--ochre); color: #fff; border-color: var(--ochre); }
    .btn-primary:hover { background: var(--ochre-deep); color: #fff; }
    .btn-primary:active { transform: translateY(1px); }
    .btn-ghost { background: transparent; color: var(--paper); border-color: rgba(237,231,219,.55); }
    .btn-ghost:hover { background: rgba(237,231,219,.08); color: #fff; }
    .btn-line { background: var(--paper); color: var(--celadon); border-color: var(--celadon); }
    .btn-line:hover { background: var(--celadon); color: #fff; }
    .btn-text { background: none; border: 0; color: var(--celadon); padding: 0; min-height: 44px; border-radius: 0; }
    .btn-text::after { content: none; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      border: 1px solid var(--rule); padding: 4px 10px; font-size: 12px; color: var(--ink);
      background: rgba(243,238,228,.7); border-radius: 2px;
    }
    .stamp {
      width: 36px; height: 36px; flex: 0 0 36px;
      border: 2px solid currentColor; display: grid; place-items: center;
      font-family: var(--serif); font-size: 16px; font-weight: 700;
      transform: rotate(-8deg);
    }
    .site-header {
      position: relative; z-index: 50; color: var(--ink);
    }
    .toolbar {
      background: var(--ink); color: var(--on-dark); font-size: 13px;
      min-height: 36px; display: flex; align-items: center;
    }
    .toolbar .container {
      display: flex; justify-content: space-between; align-items: center; gap: 16px; width: min(100% - 32px, var(--max));
    }
    .toolbar a { color: var(--on-dark); }
    .toolbar a:hover { color: #fff; }
    .toolbar-left, .toolbar-right { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; }
    .toolbar .dot { opacity: .45; }
    .nav-row {
      background: rgba(243,238,228,.96);
      border-bottom: 1px solid var(--rule);
      backdrop-filter: saturate(1.1);
    }
    .site-header.is-sticky .nav-row {
      position: sticky; top: 0; z-index: 48;
    }
    .site-header.is-compact .toolbar { display: none; }
    .nav-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 20px;
      min-height: var(--header-main);
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--serif);
      font-weight: 700; font-size: 18px; letter-spacing: .04em; flex: 0 0 auto;
    }
    .logo:hover { color: var(--ink); }
    .logo .stamp { color: var(--ochre); }
    .nav-links {
      display: flex; align-items: center; gap: 4px 22px; list-style: none; margin: 0; padding: 0;
    }
    .nav-links a {
      color: var(--ink); font-size: 15px; font-weight: 500; padding: 8px 0; position: relative;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 0; right: 30%; bottom: 2px; height: 2px;
      background: var(--ochre); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); right: 0; }
    .nav-cta { flex: 0 0 auto; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--rule); background: var(--paper);
      border-radius: 2px; align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--ink); display: block; }
    .drawer {
      position: fixed; inset: 0; background: rgba(18,28,26,.55); z-index: 80;
      opacity: 0; pointer-events: none; transition: opacity .2s ease;
    }
    .drawer.is-open { opacity: 1; pointer-events: auto; }
    .drawer-panel {
      position: absolute; right: 0; top: 0; bottom: 0; width: min(86vw, 360px);
      background: var(--paper); padding: 28px 24px; transform: translateX(16px); transition: transform .2s ease;
      display: flex; flex-direction: column; gap: 8px; border-left: 1px solid var(--rule);
    }
    .drawer.is-open .drawer-panel { transform: none; }
    .drawer a {
      color: var(--ink); min-height: 44px; display: flex; align-items: center;
      border-bottom: 1px solid var(--rule); font-size: 16px;
    }
    .drawer-close {
      align-self: flex-end; width: 44px; height: 44px; border: 1px solid var(--rule); background: transparent; border-radius: 2px;
    }
    .hero {
      position: relative; min-height: 620px; background: var(--deep); color: var(--on-dark);
      overflow: hidden;
    }
    .hero-track { position: relative; min-height: 620px; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s ease;
      background: #121C1A center/cover no-repeat;
    }
    .hero-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .hero-slide::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(18,28,26,.28) 0%, rgba(18,28,26,.55) 38%, rgba(18,28,26,.88) 100%);
    }
    .hero-copy {
      position: relative; z-index: 2; padding: 92px 0 88px; max-width: 720px; color: var(--on-dark);
    }
    .hero-copy h1 {
      color: #fff; font-size: clamp(28px, 4vw, 42px); margin-bottom: 12px; font-weight: 700;
    }
    .hero-sub { font-size: 18px; color: #EDE7DB; margin-bottom: 16px; }
    .hero-intro { font-size: 15.5px; line-height: 1.85; color: rgba(237,231,219,.92); max-width: 38em; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-controls {
      position: absolute; left: 0; right: 0; bottom: 22px; z-index: 3;
    }
    .hero-bars {
      display: flex; gap: 8px; list-style: none;
    }
    .hero-bars button {
      width: 42px; height: 4px; padding: 12px 0; background: transparent; border: 0; position: relative;
    }
    .hero-bars button::before {
      content: ""; position: absolute; left: 0; right: 0; top: 12px; height: 3px; background: rgba(237,231,219,.35);
    }
    .hero-bars button[aria-selected="true"]::before { background: var(--ochre); }
    .triad { display: grid; grid-template-columns: 1.05fr 1.3fr 1.05fr; gap: 0; border: 1px solid var(--rule); background: var(--dossier); }
    .triad-item { padding: 36px 32px; position: relative; }
    .triad-item + .triad-item { border-left: 1px solid var(--rule); }
    .triad-no { font-family: var(--serif); font-size: 28px; color: var(--ochre); margin-bottom: 10px; font-variant-numeric: tabular-nums; }
    .triad-item h3 { font-size: 20px; margin-bottom: 8px; }
    .split {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: start;
    }
    .split-visual { position: relative; }
    .split-visual img {
      width: 100%; height: 420px; object-fit: cover; border: 1px solid var(--rule); border-radius: var(--radius-card);
    }
    .verify {
      display: inline-flex; align-items: center; gap: 8px;
      border: 1px solid var(--celadon); color: var(--celadon); padding: 4px 10px; font-size: 12px; margin: 8px 0 16px;
      border-radius: 2px; letter-spacing: .06em;
    }
    .deliver {
      list-style: none; margin-top: 18px; border-top: 1px solid var(--rule); padding-top: 14px;
    }
    .deliver li {
      display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--rule); font-size: 14.5px;
    }
    .deliver li::before { content: "▣"; color: var(--celadon); }
    .chips {
      display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 22px; scrollbar-width: thin;
    }
    .chip {
      flex: 0 0 auto; min-height: 40px; padding: 0 14px; border: 1px solid var(--rule); background: var(--paper);
      color: var(--ink); border-radius: 2px; font-size: 14px;
    }
    .chip.is-on, .chip:hover { border-color: var(--ink); background: var(--ink); color: var(--on-dark); }
    .scene-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: stretch; }
    .flow { list-style: none; counter-reset: step; }
    .flow li {
      position: relative; padding: 16px 16px 16px 64px; border-left: 1px solid var(--rule); min-height: 88px;
    }
    .flow li::before {
      counter-increment: step; content: counter(step, decimal-leading-zero);
      position: absolute; left: -18px; top: 16px; width: 36px; height: 36px;
      background: var(--paper); border: 1px solid var(--rule); display: grid; place-items: center;
      font-family: var(--serif); font-size: 13px; color: var(--ochre);
    }
    .scene-shot img {
      width: 100%; height: 100%; min-height: 360px; object-fit: cover; border: 1px solid var(--rule);
    }
    .scene-panel { display: none; }
    .scene-panel.is-on { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; }
    .archive {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
    }
    .archive-card {
      background: var(--paper); border: 1px solid var(--rule); padding: 22px 20px 20px;
      min-height: 210px; position: relative; border-radius: var(--radius-card);
      clip-path: polygon(14px 0, 100% 0, 100% 100%, 0 100%, 0 14px);
      transition: border-color .2s ease, transform .2s ease;
    }
    .archive-card:hover { border-color: var(--ink); transform: translateY(-2px); }
    .ac-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; font-size: 12px; color: var(--muted); }
    .ac-no { font-family: var(--serif); color: var(--ochre); letter-spacing: .12em; }
    .dot-ok { width: 8px; height: 8px; background: var(--ok); border-radius: 50%; display: inline-block; }
    .archive-card h3 { font-size: 18px; }
    .archive-card p { font-size: 14.5px; margin: 0; color: var(--text); }
    .special { display: grid; grid-template-columns: 7fr 5fr; gap: 16px; }
    .special-main {
      position: relative; min-height: 420px; overflow: hidden; border: 1px solid var(--rule); background: var(--deep);
    }
    .special-main img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; opacity: .72; }
    .special-main .txt {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 28px 24px;
      background: linear-gradient(180deg, transparent, rgba(18,28,26,.92));
      color: var(--on-dark);
    }
    .special-main h3 { color: #fff; font-size: 24px; }
    .special-side { display: grid; grid-template-rows: 1fr 1fr; gap: 16px; }
    .special-mini {
      display: grid; grid-template-columns: 140px 1fr; border: 1px solid var(--rule); background: var(--paper); min-height: 200px;
    }
    .special-mini img { width: 100%; height: 100%; object-fit: cover; }
    .special-mini .txt { padding: 18px 16px; }
    .quote-xl {
      font-family: var(--serif); font-size: clamp(22px, 3vw, 32px); line-height: 1.5; color: var(--on-dark); margin: 0 0 28px;
    }
    .dark-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: start; }
    .slices { display: grid; gap: 12px; }
    .slice {
      border: 1px solid rgba(201,193,178,.35); padding: 16px 18px; display: grid; grid-template-columns: 110px 1fr auto; gap: 12px; align-items: center;
    }
    .slice b { color: #fff; font-weight: 600; }
    .slice span { color: rgba(237,231,219,.78); font-size: 14px; }
    .slice em { font-style: none; color: #c9d8cc; font-family: var(--serif); font-size: 18px; }
    .stories { display: grid; gap: 0; border-top: 1px solid var(--rule); }
    .story {
      display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 28px 0;
      border-bottom: 1px solid var(--rule);
    }
    .story-meta { font-size: 13px; color: var(--muted); }
    .story-meta strong { display: block; color: var(--ink); font-size: 15px; margin-bottom: 6px; font-family: var(--serif); }
    .metric { display: inline-block; margin-top: 8px; border: 1px solid var(--rule); padding: 2px 8px; font-size: 12px; color: var(--celadon); }
    .stats {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--rule); background: var(--paper);
    }
    .stat {
      padding: 28px 18px; text-align: left; border-right: 1px solid var(--rule);
    }
    .stat:last-child { border-right: 0; }
    .stat b {
      display: block; font-family: var(--serif); font-size: 36px; color: var(--ink); font-variant-numeric: tabular-nums; line-height: 1.1;
    }
    .stat span { display: block; font-size: 13px; color: var(--muted); margin-top: 8px; }
    .compare { width: 100%; background: var(--paper); border: 1px solid var(--rule); }
    .compare th, .compare td { padding: 14px 16px; text-align: left; vertical-align: top; font-size: 14.5px; }
    .compare thead th { background: var(--ink); color: var(--on-dark); font-weight: 600; }
    .compare tbody tr:nth-child(even) { background: var(--dossier); }
    .compare td:first-child { color: var(--muted); width: 42%; }
    .reviews { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .review {
      border-left: 3px solid var(--ochre); background: var(--paper); padding: 20px 20px 18px 22px; border-top: 1px solid var(--rule); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
    }
    .review p { font-size: 15px; }
    .review-who { font-size: 13px; color: var(--muted); }
    .news { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card { background: var(--paper); border: 1px solid var(--rule); display: flex; flex-direction: column; }
    .news-card img { height: 148px; width: 100%; object-fit: cover; }
    .news-card .txt { padding: 16px; }
    .news-card time, .news-card .src { font-size: 12px; color: var(--muted); }
    .news-card h3 { font-size: 16px; margin: 8px 0; }
    .news-card p { font-size: 14px; color: var(--text); margin: 0; }
    .more-row { margin-top: 20px; }
    .tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
    .tab {
      min-height: 40px; padding: 0 14px; border: 1px solid var(--rule); background: transparent; color: var(--ink); border-radius: 2px;
    }
    .tab.is-on { background: var(--ink); color: var(--on-dark); border-color: var(--ink); }
    .tab-panel { display: none; background: var(--paper); border: 1px solid var(--rule); padding: 24px 26px; }
    .tab-panel.is-on { display: block; }
    .tab-panel ul { padding-left: 1.1em; }
    .tab-panel li { margin: 8px 0; }
    .timeline { list-style: none; max-width: 760px; }
    .timeline li {
      display: grid; grid-template-columns: 140px 1fr; gap: 20px;
      padding: 0 0 28px 0; position: relative;
    }
    .timeline li::before {
      content: ""; position: absolute; left: 126px; top: 8px; bottom: -8px; width: 1px; background: var(--rule);
    }
    .timeline li:last-child::before { display: none; }
    .timeline .when { font-family: var(--serif); color: var(--ochre); }
    .faq-item { border-bottom: 1px solid var(--rule); }
    .faq-item button {
      width: 100%; text-align: left; background: none; border: 0; padding: 18px 8px 18px 0;
      font-size: 16px; color: var(--ink); font-weight: 600; display: flex; justify-content: space-between; gap: 16px; min-height: 56px; align-items: center;
    }
    .faq-item button span.pm { font-family: var(--serif); color: var(--ochre); font-size: 22px; }
    .faq-item .ans { display: none; padding: 0 8px 18px 0; color: var(--text); font-size: 15px; max-width: 52em; }
    .faq-item.is-open .ans { display: block; }
    .assure {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
    }
    .assure-item {
      border: 1px solid var(--rule); background: var(--paper); padding: 18px 16px; min-height: 140px;
    }
    .assure-item h3 { font-size: 16px; }
    .assure-item p { font-size: 14px; margin: 0; }
    .cta-box {
      display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start;
    }
    .form {
      background: var(--paper); border: 1px solid var(--rule); padding: 24px;
    }
    .field { margin-bottom: 14px; }
    .field label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--ink); }
    .field input, .field select, .field textarea {
      width: 100%; min-height: 44px; border: 1px solid var(--rule); background: #fff; padding: 8px 12px; color: var(--ink); border-radius: 2px;
    }
    .field textarea { min-height: 96px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--celadon); outline: 2px solid rgba(79,122,108,.25); outline-offset: 0;
    }
    .form-ok { background: #e7eee8; border: 1px solid var(--celadon); padding: 16px; color: var(--ink); }
    .site-footer {
      background: var(--ink); color: var(--on-dark); padding: 56px 0 28px; font-size: 14px;
    }
    .site-footer a { color: var(--on-dark); }
    .site-footer a:hover { color: #fff; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 28px; margin-bottom: 32px; }
    .foot-grid h3 { color: #fff; font-size: 15px; margin-bottom: 12px; }
    .foot-grid ul { list-style: none; }
    .foot-grid li { margin: 6px 0; }
    .foot-copy { border-top: 1px solid rgba(201,193,178,.25); padding-top: 16px; color: rgba(237,231,219,.7); display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between; }
    .dock {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
      background: var(--ink); color: var(--on-dark); border-top: 1px solid rgba(201,193,178,.3);
      min-height: var(--bar-h);
    }
    .dock .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: var(--bar-h); }
    .dock p { margin: 0; font-size: 14px; }
    .dock-actions { display: flex; gap: 8px; align-items: center; }
    .dock .btn { min-height: 40px; }
    @media (max-width: 1280px) {
      .container { width: min(100% - 32px, 1120px); }
    }
    @media (max-width: 1024px) {
      .section { padding: 72px 0; }
      .nav-links { display: none; }
      .nav-cta { display: none; }
      .menu-toggle { display: inline-flex; }
      .split, .scene-panel.is-on, .dark-grid, .special, .cta-box { grid-template-columns: 1fr; }
      .special-mini { grid-template-columns: 120px 1fr; }
      .archive { grid-template-columns: 1fr 1fr; }
      .news { grid-template-columns: 1fr 1fr; }
      .stats { grid-template-columns: 1fr 1fr; }
      .stat { border-bottom: 1px solid var(--rule); }
      .assure { grid-template-columns: 1fr 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .slice { grid-template-columns: 1fr; }
      .hero { min-height: 560px; }
      .hero-track { min-height: 560px; }
    }
    @media (max-width: 768px) {
      .triad { grid-template-columns: 1fr; }
      .triad-item + .triad-item { border-left: 0; border-top: 1px solid var(--rule); }
      .story { grid-template-columns: 1fr; gap: 8px; }
      .reviews { grid-template-columns: 1fr; }
      .timeline li { grid-template-columns: 1fr; padding-left: 20px; }
      .timeline li::before { left: 0; }
      .split-visual img, .scene-shot img { height: 240px; min-height: 240px; }
      .hero-copy { padding: 72px 0 80px; }
      .toolbar-right { display: none; }
      .dock p { display: none; }
      .dock-actions { width: 100%; }
      .dock-actions .btn { flex: 1; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 24px, 520px); }
      .section { padding: 48px 0; }
      .archive, .news, .assure, .stats, .foot-grid { grid-template-columns: 1fr; }
      .special-mini { grid-template-columns: 1fr; }
      .special-mini img { height: 140px; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .btn { width: 100%; }
      .nav-cta .btn, .dock .btn, .hero-actions .btn { width: auto; }
      h2 { font-size: 22px; }
      body { overflow-x: hidden; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }

/* roulang page: index */
:root{
  --ink:#1b1916;
  --ink-soft:#2b2824;
  --ink-fade:#4a453d;
  --cinnabar:#c23a2b;
  --cinnabar-deep:#9a2e22;
  --cinnabar-soft:#e8c8c2;
  --paper:#f3eee4;
  --paper-white:#faf7f1;
  --folder:#ebe3d4;
  --folder-deep:#e0d6c4;
  --bronze:#8a7348;
  --bronze-light:#b9a078;
  --bronze-line:rgba(138,115,72,.35);
  --text:#2a2723;
  --muted:#6b6458;
  --line:#d8cfbf;
  --ochre:#a85c32;
  --ok:#3d5a45;
  --white:#fffdf8;
  --dark:#161410;
  --dark-paper:#ede6d6;
  --radius-card:10px;
  --radius-btn:5px;
  --radius-badge:3px;
  --shadow:0 8px 24px rgba(27,25,22,.06);
  --shadow-soft:0 2px 8px rgba(27,25,22,.04);
  --space:24px;
  --max:1160px;
  --nav-h:72px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  min-width:320px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--cinnabar);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:var(--cinnabar-deep)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;color:var(--ink);line-height:1.35;margin:0}
p{margin:0 0 .9em}
ul,ol{margin:0;padding:0}
.skip{
  position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip:focus{
  left:16px;top:16px;width:auto;height:auto;padding:10px 16px;background:var(--cinnabar);color:#fff;z-index:10000;border-radius:var(--radius-btn)
}
.container{width:min(100% - 40px,var(--max));margin:0 auto}
.container-wide{width:min(100% - 40px,1240px);margin:0 auto}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-weight:600;letter-spacing:.04em;line-height:1;transition:all .2s ease;
}
.btn-primary{background:var(--cinnabar);color:var(--white);border:1px solid var(--cinnabar)}
.btn-primary:hover,.btn-primary:active{background:var(--cinnabar-deep);border-color:var(--cinnabar-deep);color:var(--white)}
.btn-ghost{background:transparent;color:var(--white);border:1px solid rgba(250,247,241,.7)}
.btn-ghost:hover{background:rgba(250,247,241,.12);color:var(--white);border-color:var(--white)}
.btn-line{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-line:hover{border-color:var(--cinnabar);color:var(--cinnabar)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--bronze);
  outline-offset:3px;
  box-shadow:0 0 0 5px rgba(138,115,72,.25);
}

.site-header{
  position:relative;z-index:100;background:rgba(250,247,241,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  width:min(100% - 40px,var(--max));margin:0 auto;
  min-height:36px;font-size:13px;color:var(--muted);
  border-bottom:1px solid rgba(216,207,191,.7);
}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar a{color:var(--ink-fade)}
.topbar a:hover{color:var(--cinnabar)}
.hotline-tag{
  display:inline-flex;align-items:center;padding:2px 8px;
  border:1px solid var(--cinnabar);color:var(--cinnabar);
  font-size:11px;letter-spacing:.12em;border-radius:var(--radius-badge);
}
.nav-main{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:min(100% - 40px,var(--max));margin:0 auto;min-height:var(--nav-h);
}
.nav-main.is-stuck{
  position:fixed;left:0;right:0;top:0;width:100%;
  background:rgba(250,247,241,.96);border-bottom:1px solid var(--line);
  padding:0 max(20px,calc((100% - var(--max))/2));
  box-shadow:var(--shadow-soft);z-index:200;
}
.logo{
  display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0;
}
.logo:hover{color:var(--ink)}
.logo-seal{
  width:36px;height:36px;flex-shrink:0;
}
.logo-name{font-family:var(--serif);font-size:18px;font-weight:700;letter-spacing:.08em;line-height:1}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 10px;color:var(--ink-soft);font-size:14px;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:10px;height:1px;
  background:var(--cinnabar);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover,.nav-links a.is-active{color:var(--ink)}
.nav-links a.is-active::after,.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);transition:.2s}
.nav-drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(27,25,22,.45);z-index:300;
}
body.menu-open .nav-drawer-mask{display:block}
.mobile-phone{display:none}

.hero{
  position:relative;min-height:90vh;color:var(--white);overflow:hidden;background:var(--ink);
}
.hero-slides{position:absolute;inset:0}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease,visibility .7s;
}
.hero-slide.is-on{opacity:1;visibility:visible}
.hero-slide img{
  width:100%;height:100%;object-fit:cover;filter:saturate(.85) contrast(1.02);
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(22,20,16,.78) 0%,rgba(22,20,16,.48) 48%,rgba(22,20,16,.28) 100%);
}
.hero-inner{
  position:relative;z-index:2;width:min(100% - 40px,var(--max));margin:0 auto;
  min-height:90vh;display:flex;flex-direction:column;justify-content:center;
  padding:48px 0 88px;
}
.hero-brand{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  font-family:var(--serif);letter-spacing:.18em;font-size:13px;color:var(--bronze-light);
}
.hero h1{
  color:var(--white);font-size:clamp(32px,4.4vw,52px);max-width:16em;margin-bottom:16px;
  text-shadow:0 2px 18px rgba(0,0,0,.25);
}
.hero-sub{
  font-size:18px;line-height:1.7;max-width:36em;color:var(--dark-paper);margin-bottom:14px;
}
.hero-lead{
  max-width:40em;color:rgba(237,230,214,.92);font-size:16px;line-height:1.85;margin-bottom:18px;
}
.hero-points{
  display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px;padding:0;list-style:none;
}
.hero-points li{
  padding:6px 12px;border:1px solid rgba(185,160,120,.55);color:var(--dark-paper);
  font-size:13px;letter-spacing:.06em;border-radius:var(--radius-badge);background:rgba(22,20,16,.25);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-count{
  position:absolute;right:max(20px,calc((100% - var(--max))/2));bottom:28px;z-index:3;
  font-family:var(--serif);font-size:20px;letter-spacing:.12em;color:var(--dark-paper);
}
.hero-nav{
  position:absolute;left:max(20px,calc((100% - var(--max))/2));bottom:24px;z-index:3;
  display:flex;align-items:center;gap:10px;
}
.hero-dot{
  width:22px;height:22px;border-radius:50%;border:1px solid rgba(237,230,214,.5);
  display:inline-flex;align-items:center;justify-content:center;
}
.hero-dot i{width:7px;height:7px;border-radius:50%;background:transparent;display:block}
.hero-dot.is-on{border-color:var(--cinnabar)}
.hero-dot.is-on i{background:var(--cinnabar)}
.hero-arrow{
  width:44px;height:44px;border:1px solid rgba(237,230,214,.45);color:var(--dark-paper);
  border-radius:var(--radius-btn);display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.hero-arrow:hover{border-color:var(--cinnabar);color:#fff;background:rgba(194,58,43,.25)}

.section{padding:88px 0;position:relative}
.section-h{
  margin-bottom:28px;
}
.kicker{
  display:inline-block;margin-bottom:10px;color:var(--cinnabar);font-size:12px;letter-spacing:.2em;font-weight:600;
}
.section h2{font-size:clamp(24px,2.4vw,34px);margin-bottom:14px;max-width:18em}
.section-desc{max-width:46em;color:var(--muted);font-size:16px;line-height:1.85;margin-bottom:0}
.bronze-rule{height:1px;background:linear-gradient(90deg,var(--bronze-line),transparent);border:0;margin:0 0 28px}

.trust{padding:28px 0;background:var(--folder);border-top:1px solid var(--bronze-line);border-bottom:1px solid var(--bronze-line)}
.trust-track{
  display:flex;gap:14px;overflow-x:auto;padding:6px 0 10px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.trust-track::-webkit-scrollbar{height:4px}
.trust-track::-webkit-scrollbar-thumb{background:var(--bronze-light);border-radius:2px}
.seal-badge{
  flex:0 0 auto;scroll-snap-align:start;min-width:168px;min-height:86px;
  display:flex;align-items:center;gap:12px;padding:12px 14px;
  background:var(--paper-white);border:1px solid var(--line);border-radius:var(--radius-card);
}
.seal-mark{
  width:44px;height:44px;flex-shrink:0;border:2px solid var(--cinnabar);color:var(--cinnabar);
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:13px;font-weight:700;
  transform:rotate(-8deg);border-radius:2px;letter-spacing:.04em;
}
.seal-badge span{font-size:13px;line-height:1.45;color:var(--ink);font-weight:600}

.value{background:var(--paper-white)}
.value-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
.value-item{
  display:grid;grid-template-columns:72px 1fr;gap:16px;padding:28px 24px 28px 0;
  border-right:1px solid var(--line);
}
.value-item:last-child{border-right:0;padding-right:0}
.value-num{font-family:var(--serif);font-size:34px;color:var(--bronze);line-height:1;padding-top:4px}
.value-item h3{font-size:20px;margin-bottom:8px}
.value-item p{color:var(--muted);margin:0;font-size:15px;line-height:1.8}

.intro{background:var(--paper)}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.intro-pic{position:relative}
.intro-pic img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line)}
.intro-pic figcaption{margin-top:8px;font-size:12px;color:var(--muted)}
.intro-copy p{line-height:1.82;color:var(--text)}
.param{
  margin-top:22px;display:grid;gap:0;border:1px solid var(--line);background:var(--paper-white);border-radius:var(--radius-card);overflow:hidden;
}
.param div{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:14px}
.param div:last-child{border-bottom:0}
.param dt{color:var(--bronze);font-weight:600;margin:0}
.param dd{margin:0;color:var(--text);line-height:1.7}

.scenes{background:var(--paper-white)}
.scene-tabs{
  display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px;padding:0;list-style:none;
}
.scene-tabs button{
  min-height:44px;padding:0 16px;border:1px solid var(--line);background:var(--folder);
  color:var(--ink-soft);border-radius:var(--radius-btn);font-weight:500;
}
.scene-tabs button.is-on,.scene-tabs button:hover{background:var(--ink);color:var(--white);border-color:var(--ink)}
.scene-panel{display:none;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.scene-panel.is-on{display:grid}
.steps{display:flex;flex-wrap:wrap;gap:0;margin:16px 0 20px;padding:0;list-style:none;counter-reset:st}
.steps li{
  counter-increment:st;position:relative;padding:8px 22px 8px 0;font-size:13px;color:var(--ink);font-weight:600;
}
.steps li::before{content:counter(st);color:var(--cinnabar);margin-right:6px;font-family:var(--serif)}
.steps li:not(:last-child)::after{content:"";position:absolute;right:8px;top:50%;width:10px;height:1px;background:var(--bronze-light)}
.scene-pic img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line)}
.scene-list{margin:0;padding:0;list-style:none}
.scene-list li{
  position:relative;padding:8px 0 8px 16px;border-bottom:1px dashed var(--line);color:var(--text);font-size:15px;line-height:1.7;
}
.scene-list li::before{content:"";position:absolute;left:0;top:16px;width:6px;height:6px;background:var(--ink)}

.advantages{background:var(--paper)}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.adv-card{
  background:var(--paper-white);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px 18px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.adv-card:hover{transform:translateY(-3px);border-color:var(--bronze);box-shadow:var(--shadow-soft)}
.adv-seal{
  width:32px;height:32px;border:1.5px solid var(--cinnabar);color:var(--cinnabar);
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:12px;margin-bottom:12px;transform:rotate(-6deg);
}
.adv-card h3{font-size:18px;margin-bottom:8px}
.adv-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0 0 12px}
.adv-card .text-link{font-size:13px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--cinnabar);padding-bottom:2px}
.adv-card .text-link:hover{color:var(--cinnabar)}

.topics{background:var(--paper-white)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
  background:var(--folder);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-3px);border-color:var(--cinnabar)}
.topic-card.featured{border:2px solid var(--bronze);background:var(--paper-white)}
.topic-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.topic-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.topic-body h3{font-size:20px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{font-size:13px;color:var(--bronze);font-weight:600}
.deliver{margin:6px 0 10px;padding:0;list-style:none;color:var(--muted);font-size:14px}
.deliver li{padding:3px 0 3px 14px;position:relative}
.deliver li::before{content:"";width:6px;height:6px;background:var(--cinnabar);position:absolute;left:0;top:11px}

.cases{
  padding:96px 0;color:var(--dark-paper);background:var(--dark) center/cover no-repeat;
  position:relative;
}
.cases::before{
  content:"";position:absolute;inset:0;background:rgba(18,16,13,.82);
}
.cases .container{position:relative;z-index:1}
.cases-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.cases blockquote{
  margin:0;padding:0;border:0;font-family:var(--serif);font-size:clamp(26px,3vw,38px);line-height:1.45;color:var(--white);
}
.case-list{display:flex;flex-direction:column;gap:16px}
.case-item{
  padding:18px 20px;border:1px solid rgba(185,160,120,.35);background:rgba(22,20,16,.35);border-radius:var(--radius-card);
}
.case-item h3{color:var(--white);font-size:18px;margin-bottom:6px}
.case-item p{margin:0;color:rgba(237,230,214,.86);font-size:14px;line-height:1.7}
.case-metric{margin-top:8px;color:var(--bronze-light);font-family:var(--serif);font-size:15px}

.compare{background:var(--paper)}
.compare-switch{display:flex;gap:8px;margin-bottom:20px}
.compare-switch button{
  min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--ink-soft);background:var(--paper-white);
}
.compare-switch button.is-on{background:var(--ink);color:var(--white);border-color:var(--ink)}
.compare-table{width:100%;border-collapse:collapse;background:var(--paper-white);border:1px solid var(--line)}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);font-size:15px;line-height:1.7}
.compare-table th{font-family:var(--serif);font-weight:600;background:var(--folder)}
.compare-table th:nth-child(2){color:var(--muted)}
.compare-table th:nth-child(3){color:var(--cinnabar)}
.compare-table td:first-child{font-weight:600;color:var(--ink);width:18%}
.compare-table tr:last-child td{border-bottom:0}
.compare-table.only-old td:nth-child(3),.compare-table.only-new td:nth-child(2){opacity:.28}

.stories{background:var(--paper-white)}
.story{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center;margin-bottom:48px}
.story:last-child{margin-bottom:0}
.story.reverse{grid-template-columns:1.1fr .9fr}
.story.reverse .story-pic{order:2}
.story img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);border:1px solid var(--line)}
.story h3{font-size:22px;margin:8px 0 12px}
.story .role{font-size:13px;color:var(--bronze);letter-spacing:.08em}
.story p{color:var(--muted)}

.stats{padding:0;background:var(--ink);color:var(--dark-paper)}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{
  padding:42px 24px;text-align:left;border-right:1px solid rgba(185,160,120,.25);
}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-family:var(--serif);font-size:clamp(32px,4vw,48px);color:var(--bronze-light);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(237,230,214,.8);line-height:1.6}

.reviews{background:var(--paper)}
.review-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:18px}
.review-grid .review:nth-child(3){grid-column:1 / 2}
.review-grid .review:nth-child(4){grid-column:2 / 3;grid-row:1 / 3;display:flex;flex-direction:column;justify-content:center}
.review{
  background:var(--paper-white);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 22px 18px;
}
.review blockquote{margin:0 0 16px;padding:0;font-size:15px;line-height:1.8;color:var(--text);position:relative}
.review blockquote::before{content:"“";font-family:var(--serif);font-size:42px;color:var(--bronze-light);line-height:1;display:block;margin-bottom:4px}
.who{display:flex;align-items:center;gap:12px}
.who img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.who strong{display:block;font-size:14px;color:var(--ink)}
.who small{color:var(--muted);font-size:12px}
.stars{color:var(--cinnabar);letter-spacing:2px;font-size:12px;margin-bottom:8px}
.done-badge{display:inline-block;margin-left:8px;padding:1px 8px;border:1px solid var(--ok);color:var(--ok);font-size:11px;border-radius:var(--radius-badge)}

.news{background:var(--paper-white)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.news-card{
  display:grid;grid-template-columns:140px 1fr;gap:16px;padding:14px;background:var(--folder);border:1px solid var(--line);border-radius:var(--radius-card);
}
.news-card img{width:140px;height:100px;object-fit:cover;border-radius:6px}
.news-card time{font-size:12px;color:var(--bronze);letter-spacing:.06em}
.news-card h3{font-size:17px;margin:4px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.more-link{display:inline-block;margin-top:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--cinnabar);padding-bottom:2px}

.faq{background:var(--paper)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);background:var(--paper-white)}
.faq-item button{
  width:100%;text-align:left;min-height:56px;padding:16px 48px 16px 0;font-size:16px;font-weight:600;color:var(--ink);position:relative;
}
.faq-item button::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--cinnabar);font-size:22px;font-weight:400;
}
.faq-item.is-open button::after{content:"–"}
.faq-panel{display:none;padding:0 8px 18px 0;color:var(--muted);line-height:1.85;font-size:15px}
.faq-item.is-open .faq-panel{display:block}

.guarantee{background:var(--folder);padding:48px 0}
.g-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g-item{padding:18px 16px;background:var(--paper-white);border:1px solid var(--line);border-radius:var(--radius-card)}
.g-item h3{font-size:16px;margin-bottom:8px}
.g-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.7}

.contact{
  padding:88px 0;background:var(--ink) center/cover no-repeat;color:var(--dark-paper);position:relative;
}
.contact::before{content:"";position:absolute;inset:0;background:rgba(22,20,16,.88)}
.contact .container{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.contact h2{color:var(--white);margin-bottom:14px}
.contact .section-desc{color:rgba(237,230,214,.86)}
.expect{margin:22px 0 0;padding:0;list-style:none}
.expect li{padding:8px 0 8px 18px;position:relative;border-bottom:1px dashed rgba(185,160,120,.3)}
.expect li::before{content:"";width:6px;height:6px;background:var(--cinnabar);position:absolute;left:0;top:16px}
.form-card{background:var(--paper-white);color:var(--text);padding:28px 24px;border-radius:var(--radius-card);border:1px solid var(--bronze-line)}
.form-row{margin-bottom:14px}
.form-row label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--ink)}
.req{color:var(--cinnabar);margin-left:2px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:var(--radius-btn);
}
.form-row textarea{min-height:96px;resize:vertical;line-height:1.6}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--cinnabar);outline:none}
.form-note{margin-top:12px;font-size:13px;color:var(--muted)}
.form-note a{color:var(--cinnabar)}
.form-ok{padding:12px 14px;background:#e8efe8;border:1px solid var(--ok);color:var(--ok);border-radius:var(--radius-btn);margin-bottom:14px;font-size:14px}
.err{color:var(--ochre);font-size:12px;margin-top:4px;display:none}

.site-footer{background:#12110f;color:rgba(237,230,214,.78);padding:56px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.3fr .9fr 1fr;gap:32px;margin-bottom:36px}
.site-footer h3{color:var(--white);font-size:16px;margin-bottom:12px}
.site-footer .logo-name{color:var(--white);margin-bottom:10px;display:inline-block}
.foot-links{list-style:none}
.foot-links a{color:rgba(237,230,214,.78);display:inline-block;min-height:36px;padding:6px 0}
.foot-links a:hover{color:var(--cinnabar)}
.icp-line{border-top:1px solid rgba(185,160,120,.25);padding-top:16px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;color:rgba(237,230,214,.55);font-size:12px}
.icp-line a{color:rgba(237,230,214,.55)}

.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:240;
  display:none;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;
  min-height:56px;padding:8px 16px;background:rgba(22,20,16,.94);color:var(--dark-paper);
  border-top:1px solid rgba(185,160,120,.35);
}
.sticky-cta.is-show{display:flex}
.sticky-cta p{margin:0;font-size:14px}
.sticky-cta a.tel{color:var(--bronze-light);font-weight:600}
body.form-focus .sticky-cta{display:none}

@media (max-width:1279px){
  .container,.nav-main,.topbar,.hero-inner{width:min(100% - 36px,var(--max))}
  .grid-6{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .topbar{display:none}
  .mobile-phone{display:inline-flex;align-items:center;min-height:44px;padding:0 8px;color:var(--ink);font-size:13px}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;top:0;right:-100%;width:min(86vw,360px);height:100vh;background:var(--paper-white);
    flex-direction:column;align-items:stretch;padding:80px 24px 24px;gap:0;
    box-shadow:-8px 0 24px rgba(27,25,22,.12);transition:right .25s ease;z-index:400;
  }
  body.menu-open .nav-links{right:0}
  .nav-links a{min-height:48px;border-bottom:1px solid var(--line);width:100%}
  .nav-links .drawer-cta{margin-top:16px;display:flex}
  .intro-grid,.cases-grid,.contact .container,.scene-panel.is-on{grid-template-columns:1fr;gap:24px}
  .value-list{grid-template-columns:1fr}
  .value-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 0;grid-template-columns:56px 1fr}
  .grid-6{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr 1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .stat{border-bottom:1px solid rgba(185,160,120,.25)}
  .story,.story.reverse{grid-template-columns:1fr}
  .story.reverse .story-pic{order:0}
  .review-grid,.review-grid .review:nth-child(3),.review-grid .review:nth-child(4){grid-column:auto;grid-row:auto;display:block}
  .review-grid{grid-template-columns:1fr}
  .g-grid{grid-template-columns:1fr 1fr}
  .hero{min-height:0}
  .hero-inner{min-height:0;padding:72px 0 100px}
  .hero h1{font-size:32px}
  .nav-main.is-stuck{padding:0 18px}
}
@media (max-width:767px){
  body{font-size:15px}
  .section{padding:64px 0}
  .grid-3,.news-grid{grid-template-columns:1fr}
  .news-card{grid-template-columns:1fr}
  .news-card img{width:100%;height:160px}
  .g-grid{grid-template-columns:1fr}
  .param div{grid-template-columns:1fr;gap:4px}
  .compare-table,.compare-table tbody,.compare-table tr,.compare-table th,.compare-table td{display:block;width:100%}
  .compare-table th{border-bottom:0}
  .compare-table td{border-bottom:1px solid var(--line)}
  .compare-table td:first-child{background:var(--folder);width:100%}
  .footer-grid{grid-template-columns:1fr}
  .hero-count{right:16px}
  .hero-nav{left:16px}
  .sticky-cta{gap:10px;justify-content:space-between}
  .sticky-cta p{font-size:13px;flex:1}
  .container{width:min(100% - 28px,var(--max))}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stats-row{grid-template-columns:1fr}
  .grid-6{grid-template-columns:1fr}
  .seal-badge{min-width:70%}
}