/* roulang page: index */
:root {
      --brand: #0F7A6C;
      --brand-deep: #0B5E54;
      --brand-mid: #15907F;
      --brand-soft: #D7E8E4;
      --brand-line: #B7D4CE;
      --accent: #C45C26;
      --accent-deep: #A3491C;
      --accent-soft: #F3E0D4;
      --bg: #F4F1EA;
      --panel: #EFE8DC;
      --paper: #FBF8F2;
      --ink: #1C2422;
      --text: #1A1F1E;
      --muted: #5C6563;
      --line: #D5D0C6;
      --wave: #2F9E7A;
      --danger: #B42318;
      --ok-bg: #E6F4EE;
      --err-bg: #FBECEA;
      --radius: 10px;
      --shadow: 0 8px 24px rgba(28, 36, 34, .06);
      --shadow-hover: 0 14px 30px rgba(28, 36, 34, .10);
      --focus: 0 0 0 3px rgba(15, 122, 108, .28);
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --space: 28px;
      --pad-y: 104px;
      --header-top: 40px;
      --header-main: 70px;
      --max: 1180px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      color: var(--text);
      background: var(--bg);
      line-height: 1.8;
      font-size: 16px;
      overflow-x: hidden;
    }
    body.menu-open { overflow: hidden; }
    img { max-width: 100%; display: block; height: auto; border: 0; }
    a { color: var(--brand-deep); text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
    a:hover { color: var(--brand); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3 { color: var(--ink); font-weight: 700; line-height: 1.28; margin: 0 0 .55em; letter-spacing: .01em; }
    h1 { font-size: 40px; }
    h2 { font-size: 30px; }
    h3 { font-size: 18px; }
    p { margin: 0 0 .95em; }
    p:last-child { margin-bottom: 0; }
    ul, ol { margin: 0; padding: 0; }
    :focus-visible { outline: 3px solid rgba(15, 122, 108, .45); outline-offset: 2px; box-shadow: var(--focus); }
    .container { width: min(100% - 40px, var(--max)); margin: 0 auto; }
    .num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
    .sr-only {
      position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
      overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 20px; border-radius: 8px; font-weight: 650;
      letter-spacing: .02em; border: 1px solid transparent; line-height: 1.2;
      transition: transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease, border-color .18s ease;
    }
    .btn:hover { transform: translateY(-1px); }
    .btn:active { transform: translateY(0); }
    .btn-solid { background: var(--brand); color: #F7F4EE; box-shadow: 0 8px 18px rgba(15, 122, 108, .22); }
    .btn-solid:hover { background: var(--brand-deep); color: #fff; }
    .btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
    .btn-ghost:hover { background: var(--ink); color: #F4F1EA; }
    .btn-accent { background: transparent; color: var(--accent); border-color: var(--accent); }
    .btn-accent:hover { background: var(--accent); color: #fff; }
    .btn-light { background: #F4F1EA; color: var(--ink); }
    .btn-light:hover { background: #fff; color: var(--ink); }
    .badge {
      display: inline-flex; align-items: center; gap: 6px; min-height: 32px;
      padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 650;
      background: var(--panel); color: var(--ink); border: 1px solid var(--brand-line);
    }
    .badge-accent { background: var(--accent-soft); border-color: #E3C0AA; color: var(--accent-deep); }
    .badge-ok { background: #E7F5EF; border-color: #BFE0D2; color: #1B6B52; }

    .site-header {
      position: sticky; top: 0; z-index: 80; background: rgba(244, 241, 234, .96);
      border-bottom: 1px solid var(--line); transition: box-shadow .2s ease;
    }
    body.is-scrolled .site-header { box-shadow: 0 8px 24px rgba(28, 36, 34, .08); }
    .topbar {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      min-height: var(--header-top); padding: 6px 0; background: var(--ink); color: #E7E2D6;
      font-size: 13px;
    }
    .topbar a { color: #E7E2D6; }
    .topbar a:hover { color: #fff; }
    .topbar-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: min(100% - 40px, var(--max)); margin: 0 auto; }
    .topbar-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center; }
    .topbar-meta span, .topbar-meta a { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; }
    .topbar .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--wave); display: inline-block; }
    .nav-row {
      display: flex; align-items: center; justify-content: space-between; gap: 18px;
      min-height: var(--header-main); width: min(100% - 40px, var(--max)); margin: 0 auto;
    }
    body.is-scrolled .topbar { padding: 2px 0; }
    body.is-scrolled .nav-row { min-height: 60px; }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--ink); min-height: 44px; flex-shrink: 0;
    }
    .logo-mark {
      width: 42px; height: 42px; border-radius: 10px; background: var(--brand);
      display: grid; place-items: center; color: #F4F1EA; box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text b { font-size: 16px; }
    .logo-text small { font-size: 12px; color: var(--muted); font-weight: 500; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      position: relative; color: var(--text); font-size: 14px; font-weight: 600;
      min-height: 44px; padding: 8px 10px; display: inline-flex; align-items: center;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 10px; right: 10px; bottom: 6px; height: 2px;
      background: var(--brand); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--brand-deep); }
    .nav-links a.is-active::after, .nav-links a:hover::after { transform: scaleX(1); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--line);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px; background: var(--paper);
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--ink); display: block; transition: transform .2s ease, opacity .2s ease; }
    body.menu-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    body.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
    body.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .drawer-backdrop {
      position: fixed; inset: 0; background: rgba(28, 36, 34, .42); opacity: 0; pointer-events: none;
      transition: opacity .2s ease; z-index: 90;
    }
    .drawer {
      position: fixed; top: 0; right: 0; height: 100%; width: min(86vw, 360px); background: var(--paper);
      transform: translateX(100%); transition: transform .24s ease; z-index: 100;
      padding: 24px 20px 32px; display: flex; flex-direction: column; gap: 8px;
      box-shadow: -12px 0 32px rgba(28, 36, 34, .12);
    }
    body.menu-open .drawer { transform: translateX(0); }
    body.menu-open .drawer-backdrop { opacity: 1; pointer-events: auto; }
    .drawer a {
      min-height: 48px; display: flex; align-items: center; padding: 8px 12px; border-radius: 8px;
      color: var(--ink); font-weight: 650; border: 1px solid transparent;
    }
    .drawer a:hover, .drawer a.is-active { background: var(--brand-soft); border-color: var(--brand-line); color: var(--brand-deep); }

    .hero { padding: 0 0 28px; }
    .hero-cover {
      position: relative; min-height: 520px; overflow: hidden;
      clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
      background: var(--ink);
    }
    .slides { position: absolute; inset: 0; }
    .slide { position: absolute; inset: 0; opacity: 0; transition: opacity .55s ease; }
    .slide.is-active { opacity: 1; z-index: 1; }
    .slide img { width: 100%; height: 100%; object-fit: cover; }
    .slide-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(28,36,34,.62) 0%, rgba(28,36,34,.28) 48%, rgba(28,36,34,.18) 100%),
        linear-gradient(180deg, rgba(28,36,34,.12) 0%, rgba(28,36,34,.45) 100%);
    }
    .slide-copy {
      position: absolute; left: max(20px, calc((100% - var(--max)) / 2)); right: 20px;
      bottom: 92px; z-index: 2; color: #F7F4EE; max-width: 560px;
    }
    .slide-tag {
      display: inline-flex; align-items: center; gap: 8px; min-height: 32px; padding: 0 12px;
      border: 1px solid rgba(247,244,238,.35); border-radius: 999px; font-size: 13px; margin-bottom: 10px;
      background: rgba(28,36,34,.28);
    }
    .slide-note { font-size: 15px; line-height: 1.7; color: #EDE8DC; margin-bottom: 16px; }
    .slide-actions { display: flex; flex-wrap: wrap; gap: 10px; }
    .hero-wave {
      position: absolute; left: 0; right: 0; bottom: 18%; height: 46px; z-index: 2; opacity: .18; pointer-events: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 80' fill='none'%3E%3Cpath d='M0 40h80l20-18 20 18 30-28 24 28 40-36 28 36h60l18-14 22 14 36-30 26 30 48-40 30 40h70l16-12 20 12 40-32 28 32 50-42 26 42h90l20-16 24 16 34-26 22 26h120l18-14 26 14 40-34 30 34h120' stroke='%232F9E7A' stroke-width='3'/%3E%3C/svg%3E");
      background-repeat: no-repeat; background-size: cover;
    }
    .carousel-btn {
      position: absolute; top: 46%; z-index: 3; width: 44px; height: 44px; border-radius: 50%;
      background: rgba(244,241,234,.9); color: var(--ink); border: 1px solid var(--brand-line);
      display: grid; place-items: center;
    }
    .carousel-btn:hover { background: #fff; }
    .carousel-btn.prev { left: 16px; }
    .carousel-btn.next { right: 16px; }
    .dots {
      position: absolute; left: 50%; bottom: 58px; transform: translateX(-50%); z-index: 3;
      display: flex; gap: 8px;
    }
    .dots button {
      width: 44px; height: 44px; display: grid; place-items: center;
    }
    .dots button i {
      display: block; width: 10px; height: 10px; border-radius: 50%; background: rgba(247,244,238,.45);
      border: 1px solid rgba(247,244,238,.7);
    }
    .dots button.is-active i { background: var(--accent); border-color: var(--accent); transform: scale(1.15); }
    .hero-panel {
      width: min(100% - 40px, var(--max)); margin: -58px auto 0; position: relative; z-index: 4;
      background: var(--paper); border: 1px solid var(--brand-line); border-radius: var(--radius);
      box-shadow: var(--shadow); padding: 22px 24px 26px;
    }
    .hero-profile {
      display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
      padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--line);
    }
    .identity { display: flex; align-items: center; gap: 12px; }
    .avatar {
      width: 64px; height: 64px; border-radius: 50%; background: var(--brand); color: #F4F1EA;
      display: grid; place-items: center; border: 3px solid #fff; box-shadow: 0 0 0 1px var(--brand-line);
    }
    .identity strong { display: block; font-size: 20px; line-height: 1.2; }
    .identity span { color: var(--muted); font-size: 14px; }
    .hero-badges { display: flex; flex-wrap: wrap; gap: 8px; }
    .hero h1 { font-size: 38px; max-width: 18em; }
    .lead { font-size: 16px; line-height: 1.85; color: var(--text); max-width: 58em; margin-bottom: 0; }
    .hero-bottom { display: grid; grid-template-columns: 1.5fr .9fr; gap: 28px; align-items: end; }
    .tick-list { list-style: none; display: grid; gap: 8px; }
    .tick-list li {
      display: flex; gap: 8px; color: var(--muted); font-size: 14px; line-height: 1.6;
    }
    .tick-list i {
      width: 18px; height: 18px; border-radius: 50%; background: var(--brand-soft); color: var(--brand-deep);
      display: grid; place-items: center; flex-shrink: 0; margin-top: 3px;
    }

    .section { padding: var(--pad-y) 0; position: relative; }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head p { color: var(--muted); }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px; color: var(--brand-deep); font-size: 13px;
      font-weight: 700; letter-spacing: .08em; margin-bottom: 10px;
    }
    .kicker::before { content: ""; width: 18px; height: 2px; background: var(--accent); display: block; }
    .band-panel { background: var(--panel); }
    .band-paper { background: var(--paper); }
    .band-ink { background: var(--ink); color: #E8E4DA; }
    .band-ink h2, .band-ink h3 { color: #F7F4EE; }
    .band-ink p, .band-ink .section-head p { color: #C9C4B8; }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .media {
      border-radius: var(--radius); overflow: hidden; border: 1px solid var(--brand-line);
      box-shadow: var(--shadow); background: var(--panel);
    }
    .media img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
    .spec-board {
      display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 18px 0 20px;
    }
    .spec-item {
      background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px;
    }
    .spec-item b { display: block; font-size: 13px; color: var(--muted); font-weight: 650; }
    .spec-item span { font-size: 15px; font-variant-numeric: tabular-nums; }
    .badge-row { display: flex; flex-wrap: wrap; gap: 8px; }

    .bento {
      display: grid; grid-template-columns: 1.35fr 1fr 1fr; grid-auto-rows: 210px; gap: 16px;
    }
    .bento a {
      position: relative; display: block; overflow: hidden; border-radius: var(--radius);
      border: 1px solid var(--brand-line); box-shadow: var(--shadow); color: #F7F4EE; min-height: 44px;
    }
    .bento a img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform .35s ease; }
    .bento a:hover img { transform: scale(1.06); }
    .bento a:hover { box-shadow: var(--shadow-hover); }
    .bento-item:first-child { grid-row: span 2; }
    .bento-item:nth-child(6) { grid-column: 2 / 4; }
    .bento-cap {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 16px 16px 14px;
      background: linear-gradient(180deg, transparent, rgba(28,36,34,.78));
    }
    .bento-cap h3 { color: #fff; margin-bottom: 4px; }
    .bento-cap p { color: #E6E1D6; font-size: 13px; line-height: 1.65; }

    .adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .adv-card {
      background: var(--paper); border: 1px solid var(--brand-line); border-radius: var(--radius);
      box-shadow: var(--shadow); padding: 22px 22px 20px; transition: transform .2s ease, box-shadow .2s ease;
    }
    .adv-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .icon-line {
      width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center;
      background: var(--brand-soft); color: var(--brand-deep); margin-bottom: 14px; border: 1px solid var(--brand-line);
    }
    .adv-card p { color: var(--muted); font-size: 14px; }

    .metrics {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line);
      border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
    }
    .metric {
      background: var(--panel); padding: 28px 22px; min-height: 140px;
    }
    .metric b {
      display: block; font-size: 34px; line-height: 1.1; color: var(--brand-deep);
      font-variant-numeric: tabular-nums; letter-spacing: .02em;
    }
    .metric span { display: block; margin-top: 6px; font-weight: 700; }
    .metric small { color: var(--muted); font-size: 13px; }

    .product-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 16px; }
    .product-card {
      display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--brand-line);
      border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; min-height: 100%;
      transition: box-shadow .2s ease, transform .2s ease;
    }
    .product-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
    .product-card img { width: 100%; height: 190px; object-fit: cover; }
    .product-card.featured { background: #F7F3EA; }
    .product-card.featured img { height: 230px; }
    .product-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .product-body ul { list-style: none; display: grid; gap: 6px; }
    .product-body li {
      position: relative; padding-left: 14px; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums;
    }
    .product-body li::before {
      content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
      position: absolute; left: 0; top: 9px;
    }
    .dept { font-size: 13px; color: var(--brand-deep); font-weight: 650; }
    .product-body .btn { align-self: flex-start; margin-top: auto; }

    .steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
    .steps::before {
      content: ""; position: absolute; top: 27px; left: 8%; right: 8%; height: 1px; background: var(--brand-line);
    }
    .step { position: relative; padding: 0 12px; }
    .step-no {
      width: 44px; height: 44px; border-radius: 50%; background: var(--brand); color: #F7F4EE;
      display: grid; place-items: center; font-weight: 800; font-variant-numeric: tabular-nums; margin-bottom: 12px;
      border: 3px solid var(--bg); position: relative; z-index: 1;
    }
    .step p { color: var(--muted); font-size: 14px; }

    .ops {
      overflow: hidden;
      background-image: linear-gradient(90deg, rgba(244,241,234,.94) 0%, rgba(244,241,234,.88) 46%, rgba(244,241,234,.52) 100%), url("/assets/images/58787e9ce2be74f8.webp");
      background-size: cover; background-position: center;
    }
    .check-list { list-style: none; display: grid; gap: 10px; margin-top: 18px; }
    .check-list li {
      background: rgba(251,248,242,.92); border: 1px solid var(--brand-line); border-radius: 8px;
      padding: 12px 14px; display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start;
    }
    .check-list svg { margin-top: 4px; color: var(--brand); }

    .case-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 36px; align-items: start; }
    .case-wall {
      display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-auto-rows: 150px; gap: 12px;
    }
    .case-card {
      position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid rgba(183,212,206,.28);
    }
    .case-card:first-child { grid-row: span 2; }
    .case-card:nth-child(4) { grid-column: 2 / 4; }
    .case-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.92); }
    .case-card figcaption {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 12px 10px;
      background: linear-gradient(180deg, transparent, rgba(16,20,19,.82)); color: #F4F1EA; font-size: 13px; line-height: 1.55;
    }
    .case-card strong { display: block; font-size: 14px; }

    .stories { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
    .story {
      background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px;
      box-shadow: var(--shadow);
    }
    .story img { width: 100%; height: 220px; object-fit: cover; border-radius: 8px; }
    .story-body { padding: 18px 16px 16px; }
    .story-meta { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
    .quote {
      font-size: 16px; line-height: 1.75; margin: 0; position: relative; padding-left: 14px;
      border-left: 3px solid var(--accent);
    }

    .review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .review {
      background: var(--paper); border: 1px solid var(--brand-line); border-radius: var(--radius);
      padding: 18px 16px; box-shadow: var(--shadow); min-height: 220px;
    }
    .stars { display: flex; gap: 4px; margin-bottom: 10px; }
    .stars i { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); display: block; }
    .review p { font-size: 14px; color: var(--text); }
    .review b { display: block; margin-top: 12px; font-size: 13px; color: var(--muted); font-weight: 650; }

    .news-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 16px; }
    .news-card {
      background: var(--paper); border: 1px solid var(--brand-line); border-radius: var(--radius);
      overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
      color: inherit;
    }
    .news-card:hover { box-shadow: var(--shadow-hover); color: inherit; }
    .news-card img { width: 100%; height: 170px; object-fit: cover; }
    .news-card div { padding: 16px 16px 18px; }
    .news-card h3 { font-size: 17px; }
    .news-card p { color: var(--muted); font-size: 14px; }
    .news-more { margin-top: 22px; }

    .partners { display: grid; grid-template-columns: repeat(8, 1fr); gap: 12px; }
    .partner {
      min-height: 86px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper);
      display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
      color: var(--muted); filter: grayscale(1); opacity: .8; transition: .2s ease; padding: 10px;
    }
    .partner:hover { filter: none; opacity: 1; border-color: var(--brand); color: var(--brand-deep); }
    .partner svg { width: 28px; height: 28px; }
    .partner span { font-size: 12px; font-weight: 650; }

    .faq-list { display: grid; gap: 10px; }
    .faq-item { border: 1px solid var(--brand-line); border-radius: var(--radius); background: var(--paper); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; min-height: 56px; padding: 14px 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
      font-weight: 700; color: var(--ink);
    }
    .faq-item button span {
      width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--brand-line); display: grid; place-items: center;
      color: var(--brand); flex-shrink: 0;
    }
    .faq-item .faq-a {
      display: none; padding: 0 18px 16px; color: var(--muted); line-height: 1.8; border-top: 1px solid transparent;
    }
    .faq-item.is-open .faq-a { display: block; }
    .faq-item.is-open button { color: var(--brand-deep); }
    .faq-item.is-open button span { background: var(--brand); color: #fff; border-color: var(--brand); }

    .promise { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .promise-item {
      display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: center;
      min-height: 88px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
    }
    .promise-item b { display: block; font-size: 15px; }
    .promise-item span { color: var(--muted); font-size: 13px; line-height: 1.55; }

    .contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: stretch; }
    .contact-card, .form-card {
      background: var(--paper); border: 1px solid var(--brand-line); border-radius: var(--radius);
      box-shadow: var(--shadow); padding: 28px 26px;
    }
    .contact-list { list-style: none; display: grid; gap: 12px; margin: 18px 0; }
    .contact-list li { display: grid; grid-template-columns: 86px 1fr; gap: 8px; font-size: 15px; }
    .contact-list b { color: var(--muted); font-weight: 650; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .form-grid .full { grid-column: 1 / -1; }
    label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
    input, select, textarea {
      width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 8px;
      background: #fff; padding: 10px 12px; color: var(--text);
    }
    textarea { min-height: 120px; resize: vertical; line-height: 1.6; }
    input:focus, select:focus, textarea:focus { border-color: var(--brand); box-shadow: var(--focus); outline: none; }
    .form-status { display: none; margin-bottom: 12px; padding: 10px 12px; border-radius: 8px; font-size: 14px; }
    .form-status.is-ok { display: block; background: var(--ok-bg); color: #1B6B52; border: 1px solid #BFE0D2; }
    .form-status.is-err { display: block; background: var(--err-bg); color: var(--danger); border: 1px solid #E8C4C0; }

    .site-footer { background: var(--ink); color: #C9C4B8; padding: 64px 0 28px; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr .9fr 1fr .9fr; gap: 32px; }
    .site-footer a { color: #E7E2D6; }
    .site-footer a:hover { color: #fff; }
    .site-footer h3 { color: #F7F4EE; font-size: 16px; margin-bottom: 12px; }
    .foot-logo { display: flex; align-items: center; gap: 10px; color: #F7F4EE; margin-bottom: 12px; }
    .foot-nav, .foot-contact { list-style: none; display: grid; gap: 8px; }
    .foot-nav a, .foot-contact li { min-height: 32px; display: flex; align-items: center; }
    .copy {
      margin-top: 36px; padding-top: 18px; border-top: 1px solid rgba(231,226,214,.12);
      font-size: 13px; display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between;
    }

    @media (max-width: 1280px) {
      h1, .hero h1 { font-size: 34px; }
      h2 { font-size: 26px; }
      .bento { grid-auto-rows: 190px; }
      .partners { grid-template-columns: repeat(4, 1fr); }
    }
    @media (max-width: 1024px) {
      :root { --pad-y: 84px; }
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-cover { min-height: 460px; }
      .split, .hero-bottom, .case-layout, .contact-grid, .stories { grid-template-columns: 1fr; }
      .product-grid, .news-grid, .review-grid { grid-template-columns: 1fr 1fr; }
      .bento { grid-template-columns: 1fr 1fr; grid-auto-rows: 200px; }
      .bento-item:first-child { grid-row: span 1; grid-column: 1 / -1; min-height: 240px; }
      .bento-item:nth-child(6) { grid-column: 1 / -1; }
      .adv-grid { grid-template-columns: 1fr 1fr; }
      .metrics, .promise, .footer-grid { grid-template-columns: 1fr 1fr; }
      .steps { grid-template-columns: 1fr 1fr; gap: 18px 8px; }
      .steps::before { display: none; }
      .case-wall { grid-template-columns: 1fr 1fr; grid-auto-rows: 170px; }
      .case-card:first-child, .case-card:nth-child(4) { grid-column: auto; grid-row: auto; }
    }
    @media (max-width: 768px) {
      :root { --pad-y: 64px; }
      .container, .topbar-wrap, .nav-row, .hero-panel { width: min(100% - 28px, var(--max)); }
      .topbar { font-size: 12px; }
      .topbar-meta span:nth-child(2) { display: none; }
      h1, .hero h1 { font-size: 28px; }
      h2 { font-size: 22px; }
      .hero-cover { min-height: 380px; clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%); }
      .slide-copy { bottom: 78px; }
      .carousel-btn.prev { left: 8px; }
      .carousel-btn.next { right: 8px; }
      .product-grid, .news-grid, .review-grid, .adv-grid, .metrics, .promise, .partners, .form-grid { grid-template-columns: 1fr; }
      .bento { grid-template-columns: 1fr; grid-auto-rows: 220px; }
      .bento-item:nth-child(6), .bento-item:first-child { grid-column: auto; }
      .spec-board { grid-template-columns: 1fr; }
      .steps { grid-template-columns: 1fr; }
      .step { display: grid; grid-template-columns: 44px 1fr; gap: 12px; padding-left: 0; }
      .step::before {
        content: ""; position: absolute; left: 21px; top: 44px; bottom: -18px; width: 1px; background: var(--brand-line);
      }
      .step:last-child::before { display: none; }
      .footer-grid { grid-template-columns: 1fr; }
      .media img, .story img { min-height: 220px; height: 220px; }
    }
    @media (max-width: 520px) {
      body { font-size: 15px; }
      .hero-profile { align-items: flex-start; }
      .avatar { width: 52px; height: 52px; }
      .hero-cover { min-height: 340px; }
      .slide-actions .btn, .hero-profile .btn, .nav-cta .btn { width: 100%; }
      .nav-cta { display: none; }
      .dots { bottom: 44px; }
      .case-wall { grid-template-columns: 1fr; }
    }
    @media (max-width: 375px) {
      .container, .topbar-wrap, .nav-row, .hero-panel { width: min(100% - 20px, var(--max)); }
      h1, .hero h1 { font-size: 24px; }
      .topbar-meta span:first-child { letter-spacing: 0; }
    }