/* roulang page: index */
:root {
      --brass: #B08A4F;
      --brass-deep: #8F6E3C;
      --terra: #9C5A3C;
      --ink: #1C1915;
      --ink-soft: #4A453C;
      --muted: #6E675C;
      --paper: #F6F1EA;
      --paper-2: #EFE8DC;
      --lime: #E7E1D6;
      --char: #1F1C19;
      --char-2: #2A2622;
      --line: #D9D1C5;
      --white: #FFFCFA;
      --shadow: 0 12px 28px rgba(28, 25, 21, 0.08);
      --shadow-sm: 0 8px 18px rgba(28, 25, 21, 0.06);
      --radius: 6px;
      --radius-sm: 4px;
      --header-main: 72px;
      --container: 1240px;
      --ease: cubic-bezier(0.22, 1, 0.36, 1);
      --focus: 0 0 0 3px rgba(176, 138, 79, 0.4);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
      font-size: 17px;
      line-height: 1.75;
      color: var(--ink);
      background: var(--paper);
      background-image: radial-gradient(rgba(28, 25, 21, 0.035) 0.6px, transparent 0.6px);
      background-size: 7px 7px;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, .serif { font-family: "Noto Serif SC", "Source Han Serif SC", serif; font-weight: 700; letter-spacing: 0; }
    p { margin: 0 0 1em; }
    p:last-child { margin-bottom: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: none; box-shadow: var(--focus); }
    .skip {
      position: absolute; left: 12px; top: -48px; z-index: 80;
      background: var(--char); color: var(--paper); padding: 8px 14px;
    }
    .skip:focus { top: 12px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .container-wide { width: min(100% - 40px, 1360px); margin: 0 auto; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--brass-deep); font-size: 12px; letter-spacing: 0.16em;
      text-transform: uppercase; font-weight: 600;
    }
    .eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--brass); }
    .section-head { max-width: 720px; margin-bottom: 48px; }
    .section-head h2 { font-size: clamp(28px, 3.2vw, 42px); line-height: 1.25; margin: 10px 0 16px; }
    .section-head p { color: var(--ink-soft); font-size: 16px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 48px; padding: 0 22px; border-radius: var(--radius-sm);
      border: 1px solid transparent; font-size: 15px; font-weight: 600;
      transition: background 280ms var(--ease), color 280ms var(--ease), border-color 280ms var(--ease), transform 280ms var(--ease);
    }
    .btn-primary { background: var(--brass); color: var(--white); }
    .btn-primary:hover, .btn-primary:active { background: var(--char); color: var(--paper); }
    .btn-ghost { background: transparent; color: var(--paper); border-color: rgba(246, 241, 234, 0.55); }
    .btn-ghost:hover { background: var(--paper); color: var(--ink); }
    .btn-line { background: transparent; color: var(--ink); border-color: var(--ink); }
    .btn-line:hover { background: var(--char); color: var(--paper); }
    .btn-text { min-height: 44px; padding: 0; color: var(--terra); font-weight: 600; background: none; border: 0; }
    .btn-text::after { content: " →"; }
    .btn-text:hover { color: var(--brass-deep); }
    .tag {
      display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px;
      border: 1px solid var(--line); border-radius: 999px; font-size: 12px; color: var(--ink-soft); background: rgba(246,241,234,.7);
    }
    .site-header { position: relative; z-index: 40; }
    .topbar {
      background: #EFE8DC; border-bottom: 1px solid var(--line);
      font-size: 12px; color: var(--ink-soft); letter-spacing: 0.02em;
    }
    .topbar-inner {
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .topbar-list { display: flex; flex-wrap: wrap; gap: 18px; }
    .topbar a { color: var(--ink-soft); }
    .topbar a:hover { color: var(--terra); }
    .topbar-cta { color: var(--terra) !important; font-weight: 600; }
    .nav-main {
      background: rgba(246, 241, 234, 0.92); backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
    }
    .nav-main.is-stuck {
      position: sticky; top: 0; box-shadow: var(--shadow-sm);
    }
    .nav-inner {
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      min-height: var(--header-main); display: flex; align-items: center; gap: 28px;
    }
    .logo {
      display: flex; flex-direction: column; gap: 0; flex: 0 0 auto;
      color: var(--ink); line-height: 1.1;
    }
    .logo-mark { font-family: "Noto Serif SC", serif; font-size: 22px; font-weight: 700; }
    .logo-mark span { color: var(--brass); padding: 0 6px; font-weight: 600; }
    .logo-sub { font-size: 11px; color: var(--muted); letter-spacing: 0.18em; margin-top: 4px; }
    .nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
    .nav-links a {
      position: relative; padding: 10px 12px; font-size: 14px; color: var(--ink-soft);
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 1px;
      background: var(--brass); transform: scaleX(0); transform-origin: left;
      transition: transform 280ms var(--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 { margin-left: 8px; }
    .nav-toggle {
      display: none; margin-left: auto; width: 44px; height: 44px;
      border: 1px solid var(--line); background: var(--white); border-radius: 4px;
      position: relative;
    }
    .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
      position: absolute; left: 12px; width: 18px; height: 1.5px; background: var(--ink);
    }
    .nav-toggle span { top: 21px; }
    .nav-toggle span::before, .nav-toggle span::after { content: ""; left: 0; }
    .nav-toggle span::before { top: -6px; }
    .nav-toggle span::after { top: 6px; }
    .drawer-backdrop {
      position: fixed; inset: 0; background: rgba(31, 28, 25, 0.45); opacity: 0; visibility: hidden;
      transition: 280ms var(--ease); z-index: 50;
    }
    .drawer {
      position: fixed; top: 0; right: 0; height: 100%; width: min(86vw, 360px);
      background: var(--paper); z-index: 60; transform: translateX(100%);
      transition: transform 320ms var(--ease); padding: 28px 24px; display: flex; flex-direction: column; gap: 18px;
    }
    body.nav-open .drawer { transform: none; }
    body.nav-open .drawer-backdrop { opacity: 1; visibility: visible; }
    .drawer a { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid var(--line); font-size: 16px; }
    main { display: block; }
    section[id] { scroll-margin-top: 88px; }
    .reveal { opacity: 0; transform: translateY(16px); animation: rise 700ms var(--ease) forwards; }
    @keyframes rise { to { opacity: 1; transform: none; } }
    .hero { position: relative; min-height: 100vh; color: var(--paper); overflow: hidden; }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity 700ms var(--ease); }
    .hero-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .hero-slide img {
      width: 100%; height: 100%; object-fit: cover;
      transform: scale(1.02); transition: transform 8s linear;
    }
    .hero-slide.is-active img { transform: scale(1.06); }
    .hero-slide::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(31,28,25,.72) 0%, rgba(31,28,25,.28) 52%, rgba(31,28,25,.18) 100%),
                  linear-gradient(180deg, rgba(31,28,25,.15) 0%, rgba(31,28,25,.55) 100%);
    }
    .hero-copy {
      position: relative; z-index: 3; width: min(100% - 40px, var(--container));
      margin: 0 auto; padding: 120px 0 220px; max-width: 760px; margin-left: max(20px, calc((100% - var(--container)) / 2));
    }
    .hero-brand { font-size: 13px; letter-spacing: 0.22em; color: var(--brass); margin-bottom: 18px; }
    .hero h1, .hero-title {
      font-family: "Noto Serif SC", serif; font-size: clamp(32px, 5.4vw, 68px);
      line-height: 1.18; margin: 0 0 18px; max-width: 12em; font-weight: 700;
    }
    .hero-lead { font-size: 16px; line-height: 1.8; color: #E7E1D6; max-width: 38em; margin-bottom: 28px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-controls {
      position: absolute; z-index: 4; left: max(20px, calc((100% - var(--container)) / 2));
      bottom: 148px; display: flex; align-items: center; gap: 16px;
    }
    .hero-frame { font-family: "Noto Serif SC", serif; font-size: 28px; }
    .hero-progress { width: 120px; height: 2px; background: rgba(246,241,234,.25); overflow: hidden; }
    .hero-progress span { display: block; height: 100%; width: 0; background: var(--brass); animation: load 6.4s linear; }
    @keyframes load { from { width: 0; } to { width: 100%; } }
    .hero-arrows { display: flex; gap: 8px; }
    .icon-btn {
      width: 44px; height: 44px; border: 1px solid rgba(246,241,234,.4); background: transparent; color: var(--paper);
      display: grid; place-items: center; border-radius: 4px;
    }
    .icon-btn:hover { background: var(--paper); color: var(--ink); }
    .hero-slot {
      position: absolute; z-index: 4; right: max(20px, calc((100% - var(--container)) / 2));
      bottom: 36px; width: min(420px, calc(100% - 40px));
      background: rgba(246, 241, 234, 0.94); color: var(--ink);
      border: 1px solid var(--line); padding: 20px 22px; box-shadow: var(--shadow);
    }
    .hero-slot h3 { margin: 0 0 6px; font-size: 18px; }
    .hero-slot p { color: var(--muted); font-size: 13px; margin-bottom: 14px; }
    .countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 14px; }
    .countdown b { display: block; font-family: "Noto Serif SC", serif; font-size: 28px; line-height: 1; color: var(--brass-deep); }
    .countdown span { font-size: 11px; color: var(--muted); }
    .intro, .plans, .stories, .news, .faq, .contact { background: var(--paper); }
    .scope, .process, .reviews, .partners, .guarantee { background: var(--lime); }
    .strength, .cases { background: var(--paper-2); }
    .split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
    .split.reverse { grid-template-columns: 0.95fr 1.05fr; }
    .split.reverse .split-media { order: 2; }
    .split-media { position: relative; }
    .split-media img { width: 100%; height: 520px; object-fit: cover; border-radius: 2px; }
    .split-media figcaption { position: absolute; left: 16px; bottom: 16px; background: var(--paper); padding: 8px 12px; font-size: 12px; }
    .fact-bar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 28px; }
    .fact-bar div { background: var(--paper); padding: 14px 16px; }
    .fact-bar dt { font-size: 12px; color: var(--muted); }
    .fact-bar dd { margin: 4px 0 0; font-family: "Noto Serif SC", serif; font-size: 18px; }
    .pad { padding: 112px 0; }
    .bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: minmax(180px, auto); gap: 16px; }
    .bento-card {
      position: relative; overflow: hidden; background: var(--char); color: var(--paper); min-height: 220px;
      border: 1px solid #2c2824;
    }
    .bento-card img { width: 100%; height: 100%; object-fit: cover; opacity: .55; position: absolute; inset: 0; transition: transform 400ms var(--ease), opacity 400ms var(--ease); }
    .bento-card:hover img { transform: scale(1.05); opacity: .7; }
    .bento-card .inner { position: relative; z-index: 1; padding: 22px; height: 100%; display: flex; flex-direction: column; }
    .bento-card.feature { grid-column: span 2; grid-row: span 2; min-height: 460px; }
    .bento-card h3 { margin: 0 0 12px; font-size: 22px; }
    .bento-card ul { margin-top: auto; }
    .bento-card li { font-size: 14px; color: #E7E1D6; padding-left: 12px; position: relative; margin-bottom: 6px; }
    .bento-card li::before { content: ""; width: 5px; height: 1px; background: var(--brass); position: absolute; left: 0; top: 11px; }
    .grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .light-card { border: 1px solid var(--line); background: var(--paper); padding: 24px; min-height: 180px; box-shadow: none; }
    .light-card:hover { border-color: var(--brass); }
    .num { font-family: "Noto Serif SC", serif; color: var(--brass); font-size: 28px; display: block; margin-bottom: 8px; }
    .light-card h3 { margin: 0 0 8px; font-size: 20px; }
    .light-card p { color: var(--ink-soft); font-size: 15px; }
    .plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .plan-card { background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; min-height: 100%; }
    .plan-card img { width: 100%; height: 240px; object-fit: cover; transition: transform 400ms var(--ease); }
    .plan-card:hover img { transform: scale(1.04); }
    .plan-card .body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .plan-meta { display: flex; flex-wrap: wrap; gap: 8px; }
    .timeline { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; position: relative; }
    .timeline::before {
      content: ""; position: absolute; top: 36px; left: 4%; right: 4%; height: 1px; background: var(--brass);
    }
    .step { padding: 0 12px; }
    .step-no { font-family: "Noto Serif SC", serif; font-size: 56px; color: var(--brass); line-height: 1; }
    .step h3 { margin: 12px 0 6px; font-size: 18px; }
    .step p { font-size: 14px; color: var(--ink-soft); }
    .craft { background: var(--char); color: var(--paper); padding: 112px 0; }
    .craft-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
    .craft h2 { font-size: clamp(28px, 3vw, 44px); margin: 12px 0 16px; }
    .craft-quote { font-family: "Noto Serif SC", serif; font-size: 22px; color: var(--brass); margin-bottom: 24px; }
    .craft img { width: 100%; height: 420px; object-fit: cover; }
    .hard-metrics { display: grid; gap: 12px; }
    .hard-metrics li { border-top: 1px solid rgba(217,209,197,.25); padding: 12px 0; display: flex; justify-content: space-between; gap: 16px; }
    .case-wall { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 14px; gap: 14px; }
    .case-item { position: relative; overflow: hidden; cursor: pointer; background: var(--char); color: var(--paper); }
    .case-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 400ms var(--ease); }
    .case-item:hover img { transform: scale(1.05); }
    .case-item figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 16px; background: linear-gradient(transparent, rgba(31,28,25,.78)); }
    .case-item h3 { margin: 0 0 6px; font-size: 16px; }
    .c1 { grid-column: span 5; grid-row: span 18; }
    .c2 { grid-column: span 4; grid-row: span 14; }
    .c3 { grid-column: span 3; grid-row: span 14; }
    .c4 { grid-column: span 3; grid-row: span 16; }
    .c5 { grid-column: span 5; grid-row: span 16; }
    .c6 { grid-column: span 4; grid-row: span 16; }
    .c7 { grid-column: span 4; grid-row: span 15; }
    .c8 { grid-column: span 4; grid-row: span 15; }
    .c9 { grid-column: span 4; grid-row: span 15; }
    .c10 { grid-column: span 6; grid-row: span 16; }
    .c11 { grid-column: span 6; grid-row: span 16; }
    .story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .story-card { background: var(--white); border: 1px solid var(--line); display: grid; grid-template-columns: 0.9fr 1.1fr; min-height: 320px; }
    .story-card img { width: 100%; height: 100%; object-fit: cover; }
    .story-card .body { padding: 28px; }
    .quote { font-family: "Noto Serif SC", serif; font-size: 20px; line-height: 1.6; margin: 12px 0; }
    .stats { background: var(--char); color: var(--paper); padding: 72px 0; }
    .stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: left; }
    .stats-row b { display: block; font-family: "Noto Serif SC", serif; font-size: clamp(36px, 4vw, 56px); color: var(--brass); line-height: 1; }
    .stats-row span { display: block; margin-top: 8px; color: #E7E1D6; font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .review { background: var(--paper); border: 1px solid var(--line); padding: 22px; min-height: 220px; }
    .review header { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
    .avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
    .news-list { display: grid; grid-template-columns: 1.2fr 1fr; gap: 18px; }
    .news-main { position: relative; min-height: 360px; overflow: hidden; color: var(--paper); }
    .news-main img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .news-main .cap { position: relative; z-index: 1; height: 100%; padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; background: linear-gradient(transparent, rgba(31,28,25,.75)); }
    .news-side { display: grid; gap: 14px; }
    .news-mini { display: grid; grid-template-columns: 120px 1fr; gap: 12px; background: var(--white); border: 1px solid var(--line); }
    .news-mini img { width: 120px; height: 100%; object-fit: cover; }
    .news-mini div { padding: 12px 12px 12px 0; }
    .partner-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .partner { min-height: 84px; display: grid; place-items: center; border: 1px solid var(--line); color: var(--muted); background: var(--paper); filter: grayscale(1); font-size: 14px; text-align: center; padding: 12px; }
    .faq-list { display: grid; gap: 8px; }
    .faq-item { border: 1px solid var(--line); background: var(--white); }
    .faq-item button {
      width: 100%; min-height: 60px; text-align: left; padding: 0 56px 0 20px; background: transparent; border: 0;
      font-size: 16px; font-weight: 600; position: relative; color: var(--ink);
    }
    .faq-item button::after, .faq-item button::before {
      content: ""; position: absolute; right: 22px; top: 50%; background: var(--ink);
    }
    .faq-item button::after { width: 14px; height: 1.5px; transform: translateY(-50%); }
    .faq-item button::before { width: 1.5px; height: 14px; transform: translate(-6.5px, -50%); transition: opacity 200ms; }
    .faq-item.is-open button::before { opacity: 0; }
    .faq-panel { display: none; background: var(--lime); padding: 0 20px 18px; color: var(--ink-soft); }
    .faq-item.is-open .faq-panel { display: block; }
    .guarantee-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .g-item { background: var(--paper); padding: 24px 20px; display: grid; grid-template-columns: 36px 1fr; gap: 12px; }
    .g-item svg { width: 28px; height: 28px; stroke: var(--brass); fill: none; stroke-width: 1.4; }
    .g-item h3 { margin: 0 0 6px; font-size: 16px; }
    .g-item p { font-size: 13px; color: var(--ink-soft); }
    .contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; }
    .contact-card { background: var(--lime); padding: 32px; border: 1px solid var(--line); }
    .contact-card dl { display: grid; gap: 12px; }
    .contact-card dt { font-size: 12px; color: var(--muted); }
    .contact-card dd { margin: 0; font-size: 16px; }
    form { display: grid; gap: 14px; }
    label { font-size: 13px; font-weight: 600; display: grid; gap: 6px; }
    input, select, textarea {
      min-height: 48px; border: 1px solid var(--line); background: var(--white); color: var(--ink);
      padding: 10px 12px; border-radius: 2px; font-size: 15px;
    }
    textarea { min-height: 110px; resize: vertical; }
    input:focus, select:focus, textarea:focus { border-color: var(--brass); box-shadow: var(--focus); outline: none; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .form-success { display: none; padding: 16px; border: 1px solid var(--brass); background: #f3ead8; }
    .form-success.is-show { display: block; }
    .site-footer { background: var(--lime); color: var(--ink); border-top: 1px solid var(--line); padding: 64px 0 28px; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr 0.8fr 1fr 0.9fr; gap: 32px; }
    .footer-grid h3 { font-size: 16px; margin: 0 0 14px; }
    .footer-grid a { display: block; min-height: 32px; color: var(--ink-soft); }
    .footer-grid a:hover { color: var(--terra); }
    .copy { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .lightbox {
      position: fixed; inset: 0; background: rgba(31,28,25,.86); display: none; place-items: center; z-index: 70; padding: 24px;
    }
    .lightbox.is-open { display: grid; }
    .lightbox img { max-width: min(92vw, 980px); max-height: 82vh; object-fit: contain; }
    .lightbox button { position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; background: var(--paper); border: 0; }
    @media (max-width: 1440px) {
      .hero-copy { padding-top: 108px; }
    }
    @media (max-width: 1024px) {
      .nav-links, .nav-cta { display: none; }
      .nav-toggle { display: inline-block; }
      .split, .split.reverse, .craft-grid, .story-card, .contact-grid, .news-list { grid-template-columns: 1fr; }
      .split.reverse .split-media { order: 0; }
      .bento { grid-template-columns: repeat(2, 1fr); }
      .bento-card.feature { grid-column: span 2; }
      .grid-6, .plan-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
      .timeline { grid-template-columns: 1fr 1fr; gap: 24px; }
      .timeline::before { display: none; }
      .stats-row, .guarantee-row, .partner-row { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .split-media img, .craft img { height: 360px; }
      .c1,.c2,.c3,.c4,.c5,.c6,.c7,.c8,.c9,.c10,.c11 { grid-column: span 6; grid-row: span 16; }
    }
    @media (max-width: 768px) {
      .topbar { display: none; }
      .pad, .craft { padding: 72px 0; }
      .hero { min-height: auto; }
      .hero-copy { margin-left: auto; padding: 92px 0 300px; }
      .hero-controls { bottom: 250px; left: 20px; }
      .hero-slot { left: 20px; right: 20px; width: auto; }
      .bento, .grid-6, .plan-grid, .review-grid, .story-grid { grid-template-columns: 1fr; }
      .bento-card.feature { grid-column: span 1; min-height: 360px; }
      .form-row { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .news-mini { grid-template-columns: 96px 1fr; }
      .copy { flex-direction: column; }
      .c1,.c2,.c3,.c4,.c5,.c6,.c7,.c8,.c9,.c10,.c11 { grid-column: span 12; }
    }
    @media (max-width: 520px) {
      .container, .container-wide, .topbar-inner, .nav-inner { width: min(100% - 28px, var(--container)); }
      body { font-size: 16px; }
      .hero h1, .hero-title { max-width: none; }
      .hero-actions .btn { width: 100%; }
      .stats-row, .guarantee-row, .partner-row, .footer-grid, .fact-bar { grid-template-columns: 1fr; }
      .g-item { grid-template-columns: 28px 1fr; }
      .countdown b { font-size: 22px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
      .reveal { opacity: 1; transform: none; }
      .hero-slide img, .hero-slide.is-active img { transform: none; }
    }

/* roulang page: index */
:root {
      --brass: #B08A4F;
      --brass-deep: #8C6A38;
      --terracotta: #9C5A3C;
      --ink: #1C1915;
      --ink-soft: #4A453D;
      --muted: #7A7368;
      --paper: #F6F1EA;
      --lime: #E7E1D6;
      --sand: #EFE8DC;
      --charcoal: #1F1C19;
      --line: #D9D1C5;
      --white: #FFFCFA;
      --focus: rgba(176, 138, 79, .4);
      --shadow: 0 10px 28px rgba(28, 25, 21, .08);
      --shadow-sm: 0 8px 18px rgba(28, 25, 21, .05);
      --radius: 4px;
      --radius-lg: 8px;
      --container: 1240px;
      --nav-h: 72px;
      --ease: cubic-bezier(.22, 1, .36, 1);
      --space: 24px;
      --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; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--sans);
      font-size: 17px;
      line-height: 1.75;
      color: var(--ink);
      background: var(--paper);
      overflow-x: clip;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; color: inherit; }
    button { cursor: pointer; background: none; border: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
    h1, h2, h3, .serif { font-family: var(--serif); font-weight: 700; letter-spacing: -.02em; }
    ::selection { background: rgba(176, 138, 79, .28); }
    :focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
    .skip-link {
      position: absolute; left: 12px; top: -48px; z-index: 2000;
      background: var(--charcoal); color: var(--paper); padding: 8px 14px;
    }
    .skip-link:focus { top: 12px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .section { padding: 112px 0; }
    .section-lime { background: var(--lime); }
    .section-paper { background: var(--paper); }
    .kicker {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--brass-deep); font-size: 12px; letter-spacing: .16em;
      text-transform: uppercase; font-weight: 600; margin-bottom: 14px;
    }
    .kicker::before { content: ""; width: 18px; height: 1px; background: var(--brass); }
    .section-title {
      font-size: clamp(28px, 3.2vw, 42px); line-height: 1.25; margin-bottom: 16px; max-width: 18em;
    }
    .section-lead { color: var(--ink-soft); max-width: 42em; margin-bottom: 40px; font-size: 16px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 48px; padding: 0 22px; border-radius: var(--radius);
      font-weight: 600; font-size: 15px; transition: background .28s var(--ease), color .28s var(--ease), border-color .28s var(--ease), transform .2s var(--ease);
    }
    .btn-primary { background: var(--brass); color: var(--white); }
    .btn-primary:hover, .btn-primary:active { background: var(--charcoal); color: var(--paper); }
    .btn-ghost { border: 1px solid rgba(246, 241, 234, .55); color: var(--paper); background: transparent; }
    .btn-ghost:hover { background: var(--paper); color: var(--ink); }
    .btn-line { border: 1px solid var(--ink); color: var(--ink); }
    .btn-line:hover { background: var(--charcoal); color: var(--paper); border-color: var(--charcoal); }
    .btn-text { color: var(--terracotta); font-weight: 600; padding: 0; min-height: 44px; }
    .btn-text::after { content: " →"; }
    .btn:active { transform: translateY(1px); }
    .badge {
      display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px;
      border: 1px solid var(--line); background: rgba(246,241,234,.7); font-size: 12px; color: var(--ink-soft); border-radius: 2px;
    }
    .site-header {
      position: sticky; top: 0; z-index: 1000; background: rgba(246, 241, 234, .92);
      backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
    }
    .topbar {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      min-height: 36px; font-size: 12px; letter-spacing: .02em; color: var(--ink-soft);
      border-bottom: 1px solid var(--line); transition: max-height .32s var(--ease), opacity .32s var(--ease), padding .32s var(--ease);
      overflow: hidden;
    }
    .topbar a { color: var(--ink-soft); }
    .topbar a:hover { color: var(--terracotta); }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar .book { color: var(--brass-deep); font-weight: 600; }
    body.is-scrolled .topbar { max-height: 0; opacity: 0; border-bottom-width: 0; }
    .nav-main {
      display: flex; align-items: center; justify-content: space-between; gap: 20px;
      width: min(100% - 40px, var(--container)); margin: 0 auto; min-height: var(--nav-h);
    }
    .logo {
      font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--ink); white-space: nowrap;
    }
    .logo span { color: var(--brass); padding: 0 6px; font-weight: 600; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      position: relative; padding: 10px 12px; font-size: 14px; color: var(--ink-soft); min-height: 44px;
      display: inline-flex; align-items: center;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 8px; height: 1px;
      background: var(--brass); transform: scaleX(0); transform-origin: left; transition: transform .28s var(--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 { margin-left: 8px; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: var(--radius);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .nav-toggle i { width: 18px; height: 1px; background: var(--ink); display: block; transition: transform .28s var(--ease), opacity .2s; }
    body.menu-open .nav-toggle i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    body.menu-open .nav-toggle i:nth-child(2) { opacity: 0; }
    body.menu-open .nav-toggle i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(31, 28, 25, .45); opacity: 0; pointer-events: none;
      transition: opacity .3s var(--ease); z-index: 900;
    }
    .drawer {
      position: fixed; top: 0; right: 0; width: min(86vw, 360px); height: 100%;
      background: var(--charcoal); color: var(--paper); z-index: 980;
      transform: translateX(100%); transition: transform .36s var(--ease); padding: 92px 28px 40px;
      display: flex; flex-direction: column; gap: 8px;
    }
    body.menu-open .drawer { transform: none; }
    body.menu-open .drawer-mask { opacity: 1; pointer-events: auto; }
    .drawer a { display: flex; align-items: center; min-height: 48px; border-bottom: 1px solid rgba(217,209,197,.16); font-size: 16px; }
    .drawer .btn { margin-top: 18px; width: 100%; }
    .hero { position: relative; min-height: calc(100vh - 36px); color: var(--paper); overflow: hidden; background: var(--charcoal); }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .7s var(--ease); }
    .hero-slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .hero-media {
      width: 100%; height: 100%; object-fit: cover; transform: scale(1.02);
      animation: ken 14s linear alternate infinite;
    }
    .hero-shade {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(28,25,21,.78) 0%, rgba(28,25,21,.42) 48%, rgba(28,25,21,.18) 100%);
    }
    .hero-ui { position: relative; z-index: 2; min-height: calc(100vh - 36px); display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: end; padding: 88px 0 72px; }
    .hero-copy { max-width: 680px; padding-bottom: 24px; }
    .hero-frame { font-family: var(--serif); color: var(--brass); font-size: 14px; letter-spacing: .18em; margin-bottom: 18px; }
    .hero h1, .hero-title {
      font-family: var(--serif); font-size: clamp(32px, 5vw, 68px); line-height: 1.18;
      font-weight: 700; margin-bottom: 18px; max-width: 10em;
    }
    .hero h1 span, .hero-title span { display: block; }
    .hero-lead { font-size: 16px; line-height: 1.8; color: rgba(246,241,234,.88); max-width: 36em; margin-bottom: 28px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .survey-card {
      justify-self: end; width: min(100%, 340px); background: rgba(31,28,25,.72);
      border: 1px solid rgba(217,209,197,.22); padding: 22px; backdrop-filter: blur(10px);
      box-shadow: var(--shadow);
    }
    .survey-card .live {
      display: flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .12em; color: var(--brass); margin-bottom: 10px;
    }
    .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--brass); box-shadow: 0 0 0 0 rgba(176,138,79,.7); animation: pulse 1.8s infinite; }
    .survey-card h3 { font-size: 22px; margin-bottom: 8px; }
    .survey-card p { color: rgba(246,241,234,.78); font-size: 14px; margin-bottom: 16px; }
    .count-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
    .count-box { background: rgba(246,241,234,.08); text-align: center; padding: 10px 0; }
    .count-box b { display: block; font-family: var(--serif); font-size: 24px; color: var(--paper); }
    .count-box span { font-size: 11px; color: rgba(246,241,234,.6); }
    .hero-controls {
      position: absolute; left: 0; right: 0; bottom: 24px; z-index: 3;
    }
    .hero-controls .container { display: flex; align-items: center; gap: 16px; }
    .ctrl {
      width: 44px; height: 44px; border: 1px solid rgba(246,241,234,.35); color: var(--paper);
      display: grid; place-items: center; border-radius: var(--radius);
    }
    .ctrl:hover { background: var(--paper); color: var(--ink); }
    .hero-progress { flex: 1; height: 1px; background: rgba(246,241,234,.25); position: relative; overflow: hidden; }
    .hero-progress > i { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--brass); animation: none; }
    .hero-slide.is-active + .hero-progress > i, .hero-progress.is-run > i { width: 100%; animation: bar 6.4s linear; }
    .split { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
    .split.reverse { grid-template-columns: 1.05fr .95fr; }
    .split + .split { margin-top: 72px; }
    .split img { width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius); }
    .facts { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 28px; }
    .facts div { background: var(--paper); padding: 14px 16px; }
    .facts dt { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
    .facts dd { font-size: 14px; font-weight: 600; }
    .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .bento {
      display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 180px; gap: 16px;
    }
    .bento article {
      position: relative; overflow: hidden; background: var(--charcoal); color: var(--paper); border-radius: var(--radius);
    }
    .bento article img { width: 100%; height: 100%; object-fit: cover; opacity: .55; transition: transform .45s var(--ease), opacity .45s; }
    .bento article:hover img { transform: scale(1.05); opacity: .42; }
    .bento article .pad { position: absolute; inset: 0; padding: 20px; display: flex; flex-direction: column; justify-content: flex-end; }
    .bento h3 { font-size: 22px; margin-bottom: 8px; }
    .bento li { font-size: 13px; color: rgba(246,241,234,.82); line-height: 1.6; }
    .span-2 { grid-column: span 2; grid-row: span 2; }
    .span-2 h3 { font-size: 32px; }
    .grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .lite-card {
      border: 1px solid var(--line); background: var(--white); padding: 24px 22px; border-radius: var(--radius);
      box-shadow: none; min-height: 168px; transition: border-color .25s, transform .25s var(--ease);
    }
    .lite-card:hover { border-color: var(--brass); transform: translateY(-2px); }
    .lite-card .num { font-family: var(--serif); color: var(--brass); font-size: 22px; display: block; margin-bottom: 8px; }
    .lite-card h3 { font-size: 20px; margin-bottom: 8px; }
    .lite-card p { font-size: 14px; color: var(--ink-soft); }
    .plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .plan-card { background: var(--white); border: 1px solid var(--line); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .3s var(--ease); }
    .plan-card:hover { box-shadow: var(--shadow); }
    .plan-card img { width: 100%; height: 230px; object-fit: cover; transition: transform .5s var(--ease); }
    .plan-card:hover img { transform: scale(1.04); }
    .plan-card .pad { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .plan-card h3 { font-size: 24px; }
    .plan-meta { display: flex; flex-wrap: wrap; gap: 8px; }
    .plan-card p { color: var(--ink-soft); font-size: 14px; }
    .plan-card .btn { margin-top: auto; align-self: flex-start; }
    .timeline { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; position: relative; }
    .timeline::before {
      content: ""; position: absolute; left: 0; right: 0; top: 42px; height: 1px; background: var(--line);
    }
    .step { position: relative; padding-top: 8px; }
    .step b {
      font-family: var(--serif); font-size: clamp(42px, 5vw, 72px); color: var(--brass); line-height: 1; display: block; margin-bottom: 10px;
    }
    .step h3 { font-size: 18px; margin-bottom: 6px; }
    .step p { font-size: 14px; color: var(--ink-soft); }
    .step .time { font-size: 12px; color: var(--terracotta); margin-bottom: 6px; }
    .craft { background: var(--charcoal); color: var(--paper); padding: 112px 0; }
    .craft-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
    .craft h2 { font-size: clamp(28px, 3.4vw, 46px); max-width: 10em; margin-bottom: 18px; }
    .principle { font-size: 18px; color: rgba(246,241,234,.86); max-width: 22em; margin-bottom: 28px; }
    .hard { display: grid; gap: 12px; }
    .hard li { border-top: 1px solid rgba(217,209,197,.18); padding-top: 12px; display: flex; justify-content: space-between; gap: 12px; font-size: 15px; }
    .hard span { color: var(--brass); font-family: var(--serif); }
    .craft img { width: 100%; height: 420px; object-fit: cover; }
    .cases-wall {
      columns: 3; column-gap: 16px;
    }
    .case-card {
      break-inside: avoid; margin-bottom: 16px; position: relative; cursor: pointer; overflow: hidden;
      background: var(--charcoal); display: block; width: 100%; text-align: left; color: var(--paper);
    }
    .case-card img { width: 100%; height: auto; min-height: 210px; object-fit: cover; transition: transform .45s var(--ease), opacity .3s; opacity: .88; }
    .case-card:nth-child(3n) img { min-height: 280px; }
    .case-card:nth-child(5n) img { min-height: 240px; }
    .case-card:hover img { transform: scale(1.05); opacity: 1; }
    .case-card figcaption {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 16px;
      background: linear-gradient(transparent, rgba(31,28,25,.82));
    }
    .case-card h3 { font-size: 16px; margin-bottom: 6px; }
    .stories { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .story {
      background: var(--white); border: 1px solid var(--line); padding: 0; overflow: hidden;
      display: grid; grid-template-columns: 180px 1fr;
    }
    .story img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
    .story .pad { padding: 24px; }
    .story h3 { font-size: 22px; margin-bottom: 10px; }
    .story p { font-size: 15px; color: var(--ink-soft); margin-bottom: 14px; }
    .quote { font-family: var(--serif); font-size: 16px; color: var(--ink); }
    .stats {
      background: var(--charcoal); color: var(--paper); padding: 72px 0;
    }
    .stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .stat b { display: block; font-family: var(--serif); font-size: clamp(36px, 5vw, 56px); color: var(--brass); line-height: 1; margin-bottom: 8px; }
    .stat span { color: rgba(246,241,234,.78); font-size: 14px; }
    .review-track {
      display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr); gap: 16px;
      overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px;
    }
    .review {
      scroll-snap-align: start; border: 1px solid var(--line); background: var(--white); padding: 22px; min-height: 220px;
    }
    .review header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
    .avatar {
      width: 44px; height: 44px; border-radius: 50%; background: var(--lime); color: var(--brass-deep);
      display: grid; place-items: center; font-family: var(--serif); font-weight: 700;
    }
    .review strong { display: block; font-size: 15px; }
    .review small { color: var(--muted); font-size: 12px; }
    .review p { font-size: 14px; color: var(--ink-soft); }
    .news-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
    .news-main, .news-side article {
      background: var(--white); border: 1px solid var(--line); overflow: hidden;
    }
    .news-main img { width: 100%; height: 260px; object-fit: cover; }
    .news-main .pad, .news-side .pad { padding: 20px; }
    .news-side { display: grid; gap: 16px; }
    .news-side article { display: grid; grid-template-columns: 120px 1fr; }
    .news-side img { width: 120px; height: 100%; object-fit: cover; }
    .news-grid h3 { font-size: 18px; margin-bottom: 8px; }
    .news-grid p { font-size: 14px; color: var(--ink-soft); }
    .more { margin-top: 22px; }
    .partners { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
    .partner {
      min-height: 84px; border: 1px solid var(--line); display: grid; place-items: center; text-align: center;
      color: var(--muted); font-size: 14px; padding: 12px; filter: grayscale(1); background: var(--white);
      transition: filter .25s, border-color .25s, color .25s;
    }
    .partner:hover { filter: none; color: var(--ink); border-color: var(--brass); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-q {
      width: 100%; min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
      text-align: left; font-size: 16px; font-weight: 600; padding: 8px 0;
    }
    .faq-q i {
      width: 22px; height: 22px; position: relative; flex: none;
    }
    .faq-q i::before, .faq-q i::after {
      content: ""; position: absolute; background: var(--ink); left: 50%; top: 50%; transform: translate(-50%, -50%);
    }
    .faq-q i::before { width: 14px; height: 1px; }
    .faq-q i::after { width: 1px; height: 14px; transition: opacity .2s; }
    .faq-item.is-open .faq-q i::after { opacity: 0; }
    .faq-a { height: 0; overflow: hidden; transition: height .32s var(--ease); background: var(--lime); }
    .faq-a .inner { padding: 0 16px 16px; color: var(--ink-soft); font-size: 15px; }
    .faq-item.is-open .faq-a { }
    .guarantee { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .g-item {
      border: 1px solid var(--line); background: var(--white); padding: 22px; display: grid; gap: 8px;
    }
    .g-item svg { width: 28px; height: 28px; stroke: var(--brass); fill: none; stroke-width: 1.4; }
    .g-item h3 { font-size: 18px; }
    .g-item p { font-size: 14px; color: var(--ink-soft); }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; }
    .contact-brief { border: 1px solid var(--line); padding: 28px; background: var(--white); }
    .contact-brief h2 { margin-bottom: 14px; }
    .contact-brief dl { display: grid; gap: 12px; font-size: 15px; }
    .contact-brief dt { color: var(--muted); font-size: 12px; }
    .form {
      background: var(--white); border: 1px solid var(--line); padding: 28px; display: grid; gap: 14px;
    }
    .field { display: grid; gap: 6px; }
    .field label { font-size: 13px; color: var(--ink-soft); }
    .field input, .field select, .field textarea {
      min-height: 46px; border: 1px solid var(--line); background: var(--paper); padding: 10px 12px; border-radius: var(--radius);
      width: 100%;
    }
    .field textarea { min-height: 110px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      outline: none; border-color: var(--brass); box-shadow: 0 0 0 4px var(--focus);
    }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .form .btn { width: 100%; }
    .form-success {
      display: none; padding: 28px; border: 1px solid var(--brass); background: var(--sand); min-height: 240px;
      align-items: center; justify-content: center; text-align: center; flex-direction: column; gap: 8px;
    }
    .form.is-ok { display: none; }
    .form.is-ok + .form-success { display: flex; }
    .err { color: var(--terracotta); font-size: 12px; min-height: 16px; }
    .site-footer { background: var(--lime); color: var(--ink); padding: 72px 0 24px; border-top: 1px solid var(--line); }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
    .footer-brand .logo { display: inline-block; margin-bottom: 12px; }
    .footer-brand p { font-size: 14px; color: var(--ink-soft); max-width: 28em; }
    .site-footer h3 { font-size: 15px; margin-bottom: 12px; }
    .site-footer a, .site-footer li { font-size: 14px; color: var(--ink-soft); min-height: 32px; display: block; }
    .site-footer a:hover { color: var(--terracotta); }
    .copy {
      border-top: 1px solid var(--line); padding-top: 16px; display: flex; justify-content: space-between; gap: 12px;
      flex-wrap: wrap; font-size: 12px; color: var(--muted);
    }
    .lightbox {
      position: fixed; inset: 0; background: rgba(31,28,25,.88); z-index: 1400; display: none;
      align-items: center; justify-content: center; padding: 24px;
    }
    .lightbox.is-on { display: flex; }
    .lightbox img { max-width: min(1100px, 92vw); max-height: 82vh; object-fit: contain; }
    .lightbox-close {
      position: absolute; top: 18px; right: 18px; width: 44px; height: 44px; color: var(--paper); border: 1px solid rgba(246,241,234,.3);
    }
    .lightbox p { position: absolute; left: 24px; bottom: 20px; color: var(--paper); }
    .reveal { opacity: 0; transform: translateY(16px); animation: rise .7s var(--ease) forwards; }
    @keyframes rise { to { opacity: 1; transform: none; } }
    @keyframes ken { from { transform: scale(1.02); } to { transform: scale(1.06); } }
    @keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(176,138,79,0); } 100% { box-shadow: 0 0 0 0 rgba(176,138,79,0); } }
    @keyframes bar { from { width: 0; } to { width: 100%; } }
    @media (max-width: 1440px) {
      .hero h1, .hero-title { font-size: 56px; }
    }
    @media (max-width: 1024px) {
      .section { padding: 88px 0; }
      .hero-ui, .split, .split.reverse, .craft-grid, .contact-grid, .stories, .news-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
      .span-2 { grid-column: span 2; }
      .grid-6, .plan-grid, .guarantee, .stats-row { grid-template-columns: 1fr 1fr; }
      .timeline { grid-template-columns: 1fr 1fr 1fr; }
      .timeline::before { display: none; }
      .partners { grid-template-columns: repeat(3, 1fr); }
      .story { grid-template-columns: 1fr; }
      .story img { height: 220px; }
      .news-side article { grid-template-columns: 100px 1fr; }
      .nav-links { display: none; }
      .nav-toggle { display: inline-flex; }
      .hero-ui { align-items: start; padding-top: 48px; }
      .survey-card { justify-self: start; }
      .split img, .craft img { height: 320px; }
      .cases-wall { columns: 2; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 28px, var(--container)); }
      .section { padding: 72px 0; }
      .topbar { display: none; }
      .hero { min-height: auto; }
      .hero-ui { min-height: auto; padding: 36px 0 96px; }
      .hero h1, .hero-title { font-size: 34px; max-width: none; }
      .bento { grid-template-columns: 1fr; grid-auto-rows: 220px; }
      .span-2 { grid-column: auto; grid-row: auto; }
      .grid-6, .plan-grid, .guarantee, .stats-row, .form-row, .facts, .partners, .timeline { grid-template-columns: 1fr; }
      .cases-wall { columns: 1; }
      .news-side article { grid-template-columns: 1fr; }
      .news-side img, .news-main img { width: 100%; height: 180px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .hero-actions .btn, .survey-card .btn { width: 100%; }
    }
    @media (max-width: 520px) {
      body { font-size: 16px; }
      .section { padding: 64px 0; }
      .footer-grid { grid-template-columns: 1fr; }
      .count-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
      .count-box b { font-size: 18px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
      .hero-media, .bento article img, .plan-card img, .case-card img { transform: none !important; }
      .reveal { opacity: 1; transform: none; }
    }