/* roulang page: index */
:root {
      --c-primary: #1B6B57;
      --c-primary-deep: #0F3D34;
      --c-accent: #E8A317;
      --c-accent-deep: #C48A10;
      --c-accent-soft: #F3D089;
      --c-bg: #F7F4EE;
      --c-paper: #FFFDF8;
      --c-ink: #1C1917;
      --c-muted: #5C574F;
      --c-line: #E6E0D4;
      --c-dark: #142823;
      --c-utility: #EFE8DC;
      --radius: 14px;
      --radius-sm: 10px;
      --radius-xs: 8px;
      --chip: 999px;
      --shadow: 0 10px 28px rgba(28, 25, 23, .06);
      --shadow-hover: 0 14px 32px rgba(28, 25, 23, .1);
      --container: 1220px;
      --nav-utility: 42px;
      --nav-main: 72px;
      --nav-h: 114px;
      --space: 88px;
      --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font-sans);
      color: var(--c-ink);
      background: var(--c-bg);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }
    body.menu-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease; }
    a:hover { color: var(--c-primary-deep); text-decoration: underline; text-underline-offset: 3px; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, .logo-text, .hero-title {
      font-family: var(--font-serif);
      font-weight: 700;
      line-height: 1.28;
      color: var(--c-ink);
      margin: 0 0 .6em;
    }
    h1 { font-size: clamp(30px, 4vw, 48px); }
    h2 { font-size: clamp(24px, 3vw, 34px); }
    h3 { font-size: 20px; }
    p { margin: 0 0 1em; }
    ul, ol { margin: 0; padding: 0; }
    :focus-visible { outline: 2px solid var(--c-primary); outline-offset: 3px; }
    .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
    .skip { position: absolute; left: -999px; top: 0; }
    .skip:focus { left: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 2000; }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 20px; border-radius: var(--radius-xs);
      border: 1.5px solid transparent; font-weight: 600; letter-spacing: .02em;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
      text-decoration: none;
    }
    .btn:hover { text-decoration: none; transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn-primary { background: var(--c-accent); color: var(--c-ink); box-shadow: 0 6px 16px rgba(232, 163, 23, .28); }
    .btn-primary:hover { background: var(--c-accent-deep); color: var(--c-ink); }
    .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,253,248,.7); }
    .btn-ghost:hover { background: rgba(255,253,248,.12); color: #fff; border-color: var(--c-accent); }
    .btn-line { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
    .btn-line:hover { background: rgba(27,107,87,.08); color: var(--c-primary-deep); }
    .btn-tiny { min-height: 40px; padding: 8px 14px; font-size: 14px; }

    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 3px 10px; border-radius: var(--chip); font-size: 12px; font-weight: 600;
      background: rgba(27,107,87,.1); color: var(--c-primary); letter-spacing: .04em;
    }
    .badge-amber { background: rgba(232,163,23,.16); color: #8A5A00; }
    .badge-ink { background: var(--c-ink); color: var(--c-paper); }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--c-primary); font-weight: 600; font-size: 13px; letter-spacing: .12em;
      text-transform: none; margin-bottom: 10px;
    }
    .kicker::before { content: ""; width: 18px; height: 2px; background: var(--c-accent); display: block; }
    .lead { color: var(--c-muted); font-size: 16px; max-width: 760px; }
    .section { padding: var(--space) 0; position: relative; }
    .section-head { margin-bottom: 36px; }
    .section-alt { background: #F3EFE6; }
    .section-paper { background: var(--c-paper); }

    .site-header {
      position: sticky; top: 0; z-index: 1000;
      background: var(--c-paper);
    }
    .site-header.is-stuck .nav-main {
      border-bottom-color: var(--c-line);
      box-shadow: 0 6px 18px rgba(28,25,23,.05);
    }
    .nav-utility {
      background: var(--c-utility); min-height: var(--nav-utility);
      border-bottom: 1px solid var(--c-line); color: var(--c-muted); font-size: 13px;
    }
    .nav-utility-inner, .nav-main-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      min-height: var(--nav-utility);
    }
    .nav-main-inner { min-height: var(--nav-main); }
    .utility-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .utility-links a { color: var(--c-ink); text-decoration: none; font-weight: 500; }
    .utility-links a:hover { color: var(--c-primary); }
    .nav-main { background: var(--c-paper); border-bottom: 1px solid transparent; transition: border-color .2s ease, box-shadow .2s ease; }
    .logo {
      display: flex; align-items: baseline; gap: 6px; text-decoration: none; color: var(--c-ink);
      font-family: var(--font-serif); font-weight: 700; white-space: nowrap;
    }
    .logo:hover { text-decoration: none; color: var(--c-primary-deep); }
    .logo-mark { color: var(--c-primary); font-size: 15px; letter-spacing: .18em; }
    .logo-text { font-size: 20px; margin: 0; }
    .menu {
      display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0;
    }
    .menu a {
      display: flex; align-items: center; min-height: 44px; padding: 0 10px;
      color: var(--c-ink); text-decoration: none; font-weight: 500; font-size: 15px;
      border-bottom: 2px solid transparent;
    }
    .menu a:hover { color: var(--c-primary); text-decoration: none; }
    .menu a.is-active { color: var(--c-primary); border-bottom-color: var(--c-primary); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .hamburger {
      display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 10px;
      flex-direction: column; justify-content: center; gap: 5px;
    }
    .hamburger span { display: block; height: 2px; background: var(--c-ink); border-radius: 2px; transition: .2s ease; }
    .hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.is-open span:nth-child(2) { opacity: 0; }
    .hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .drawer-backdrop {
      position: fixed; inset: 0; background: rgba(20,40,35,.46); opacity: 0; pointer-events: none;
      transition: opacity .25s ease; z-index: 1001;
    }
    .drawer-backdrop.is-open { opacity: 1; pointer-events: auto; }
    .drawer {
      position: fixed; top: 0; right: 0; width: min(86%, 400px); height: 100%;
      background: var(--c-paper); z-index: 1002; transform: translateX(100%);
      transition: transform .28s ease; padding: 28px 22px; overflow-y: auto;
      box-shadow: -12px 0 32px rgba(15,61,52,.18);
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-list { list-style: none; margin: 24px 0; }
    .drawer-list a {
      display: flex; align-items: center; min-height: 48px; padding: 8px 4px;
      border-bottom: 1px solid var(--c-line); color: var(--c-ink); font-weight: 600; text-decoration: none;
    }

    .hero { position: relative; min-height: min(78vh, 740px); color: #fff; background: var(--c-dark); }
    .hero-viewport { position: relative; overflow: hidden; min-height: min(78vh, 740px); }
    .hero-track { display: flex; height: min(78vh, 740px); transition: transform .6s ease; }
    .hero-slide { position: relative; min-width: 100%; height: min(78vh, 740px); }
    .hero-slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .hero-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(15,61,52,.82) 0%, rgba(20,40,35,.55) 48%, rgba(20,40,35,.28) 100%),
        repeating-linear-gradient(transparent, transparent 31px, rgba(255,253,248,.05) 32px);
    }
    .hero-copy {
      position: relative; z-index: 2; width: min(var(--container), calc(100% - 40px));
      margin: 0 auto; padding: 72px 0 132px; max-width: 760px;
    }
    .brand-flag { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid rgba(243,208,137,.5); border-radius: var(--chip); background: rgba(15,61,52,.35); font-size: 13px; letter-spacing: .16em; margin-bottom: 18px; }
    .hero-title, .hero h1 { color: #fff; margin-bottom: 14px; }
    .hero-lead { color: rgba(255,253,248,.9); font-size: 16px; max-width: 640px; margin-bottom: 22px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-series {
      position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
      background: rgba(15,61,52,.78); border-top: 1px solid rgba(243,208,137,.25);
      backdrop-filter: blur(2px);
    }
    .hero-series-inner {
      width: min(var(--container), calc(100% - 40px)); margin: 0 auto;
      display: flex; gap: 6px; overflow-x: auto; padding: 10px 0;
    }
    .hero-series a {
      flex: 0 0 auto; min-height: 44px; display: flex; align-items: center;
      padding: 0 16px; color: rgba(255,253,248,.88); text-decoration: none; font-size: 14px; font-weight: 600;
      border-right: 1px solid rgba(255,253,248,.14);
    }
    .hero-series a:last-child { border-right: 0; }
    .hero-series a:hover { color: var(--c-accent-soft); text-decoration: none; }
    .hero-nav {
      position: absolute; top: 46%; z-index: 4; width: 44px; height: 44px; border: 0; border-radius: 50%;
      background: rgba(15,61,52,.45); color: #fff; display: grid; place-items: center;
    }
    .hero-nav:hover { background: rgba(232,163,23,.9); color: var(--c-ink); }
    .hero-prev { left: 18px; }
    .hero-next { right: 18px; }
    .hero-dots { position: absolute; right: 28px; bottom: 72px; z-index: 4; display: flex; gap: 8px; }
    .hero-dots button { width: 10px; height: 10px; border-radius: 50%; border: 0; background: rgba(255,253,248,.45); padding: 0; }
    .hero-dots button.is-on { background: var(--c-accent); width: 22px; border-radius: 8px; }
    .hero-progress { position: absolute; left: 0; right: 0; bottom: 58px; height: 3px; background: rgba(255,253,248,.18); z-index: 4; }
    .hero-progress span { display: block; height: 100%; width: 0; background: var(--c-accent); }
    .hero-pause {
      position: absolute; left: 28px; bottom: 72px; z-index: 4;
      min-height: 36px; padding: 0 12px; border-radius: 8px; border: 1px solid rgba(255,253,248,.35);
      background: rgba(15,61,52,.4); color: #fff; font-size: 12px;
    }

    .entry { padding: 56px 0 40px; }
    .search-box {
      display: grid; grid-template-columns: 1fr auto; gap: 10px;
      background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 12px;
      padding: 8px; box-shadow: var(--shadow); max-width: 720px; margin-bottom: 22px;
    }
    .search-box input {
      border: 0; background: transparent; padding: 10px 14px; min-height: 44px; color: var(--c-ink);
    }
    .search-box input:focus { outline: none; }
    .chip-row { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 10px; }
    .chip {
      flex: 0 0 auto; min-height: 44px; padding: 0 16px; border-radius: var(--chip);
      border: 1px solid var(--c-line); background: var(--c-paper); color: var(--c-ink);
      font-weight: 600; font-size: 14px; display: inline-flex; align-items: center;
      text-decoration: none;
    }
    .chip:hover { border-color: var(--c-accent); color: var(--c-primary-deep); transform: translateY(-2px); text-decoration: none; }
    .slide-hint { display: none; color: var(--c-muted); font-size: 13px; margin: 0 0 18px; }
    .coupon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 8px; }
    .coupon {
      position: relative; background: var(--c-paper); border: 1px dashed var(--c-accent);
      border-radius: 12px; padding: 18px 16px 16px; overflow: hidden;
    }
    .coupon::before, .coupon::after {
      content: ""; position: absolute; width: 16px; height: 16px; background: var(--c-bg); border-radius: 50%;
      top: 42px;
    }
    .coupon::before { left: -8px; }
    .coupon::after { right: -8px; }
    .coupon strong { display: block; font-size: 18px; margin: 8px 0 6px; }
    .coupon p { font-size: 13px; color: var(--c-muted); margin-bottom: 12px; }
    .coupon-rule { margin-top: 16px; color: var(--c-muted); font-size: 13px; }

    .intro-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 40px; align-items: center; }
    .intro-visual { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
    .intro-visual img { width: 100%; height: 460px; object-fit: cover; }
    .intro-note {
      position: absolute; left: 16px; bottom: 16px; background: var(--c-paper);
      border-radius: 12px; padding: 12px 14px; font-size: 13px; box-shadow: var(--shadow);
    }
    .spec-list { list-style: none; display: grid; gap: 10px; margin-top: 18px; }
    .spec-list li {
      display: grid; grid-template-columns: 88px 1fr; gap: 10px; padding: 10px 12px;
      background: rgba(27,107,87,.05); border-left: 3px solid var(--c-primary); border-radius: 8px;
      font-size: 14px;
    }
    .spec-list b { color: var(--c-primary); }

    .matrix {
      display: grid; grid-template-columns: 1.25fr 1.25fr 1fr 1fr; grid-template-rows: auto auto; gap: 18px;
    }
    .m-card {
      background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius);
      padding: 22px; box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      position: relative;
    }
    .m-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--c-accent); }
    .m-card.big { min-height: 100%; padding: 28px; }
    .m-card:nth-child(1) { grid-column: 1 / 2; grid-row: 1 / 3; background:
      linear-gradient(180deg, #FFFDF8 0%, #F3EFE6 100%); }
    .m-card:nth-child(2) { grid-column: 2 / 3; grid-row: 1 / 3; }
    .m-no { font-family: var(--font-serif); color: var(--c-accent); font-size: 28px; display: block; margin-bottom: 8px; }
    .m-card p { color: var(--c-muted); font-size: 14px; margin: 0; }
    .m-ico { width: 36px; height: 36px; margin-bottom: 12px; color: var(--c-primary); }

    .hot-layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }
    .rank-panel {
      background: var(--c-primary-deep); color: #fff; border-radius: var(--radius); padding: 22px 18px;
    }
    .rank-panel h3 { color: #fff; font-size: 18px; }
    .rank-panel ol { list-style: none; counter-reset: rank; }
    .rank-panel li {
      counter-increment: rank; display: grid; grid-template-columns: 28px 1fr; gap: 8px;
      padding: 12px 0; border-bottom: 1px solid rgba(255,253,248,.12); font-size: 14px;
    }
    .rank-panel li::before { content: counter(rank, decimal-leading-zero); color: var(--c-accent); font-family: var(--font-serif); font-weight: 700; }
    .rank-panel small { display: block; color: rgba(255,253,248,.7); font-size: 12px; }
    .course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .course-card {
      background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden;
      box-shadow: var(--shadow); display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--c-accent); }
    .course-card.is-hide { display: none; }
    .course-cover { position: relative; height: 190px; overflow: hidden; }
    .course-card:nth-child(1) .course-cover { height: 220px; }
    .course-card:nth-child(3) .course-cover img { object-position: 50% 20%; }
    .course-cover img { width: 100%; height: 100%; object-fit: cover; }
    .course-tags { position: absolute; left: 12px; top: 12px; display: flex; gap: 6px; }
    .course-body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .course-body p { color: var(--c-muted); font-size: 14px; margin: 0; }
    .course-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 10px; }

    .stats {
      background: rgba(27,107,87,.06); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line);
      padding: 36px 0;
    }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center; }
    .stat-num { font-family: var(--font-serif); font-size: 40px; color: var(--c-primary-deep); font-variant-numeric: tabular-nums; line-height: 1.1; }
    .stat-label { color: var(--c-muted); font-size: 14px; margin-top: 6px; }

    .timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; position: relative; }
    .timeline::before {
      content: ""; position: absolute; left: 6%; right: 6%; top: 28px; height: 2px;
      background: linear-gradient(90deg, var(--c-accent-soft), var(--c-primary));
    }
    .step {
      background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius);
      padding: 20px 16px 18px; position: relative; z-index: 1;
    }
    .step-no {
      width: 36px; height: 36px; border-radius: 50%; background: var(--c-accent); color: var(--c-ink);
      display: grid; place-items: center; font-weight: 700; margin-bottom: 12px;
    }
    .step p { color: var(--c-muted); font-size: 14px; margin: 0; }

    .quality {
      background: var(--c-dark); color: #F7F4EE; padding: 92px 0; position: relative; overflow: hidden;
    }
    .quality-bg { position: absolute; inset: 0; }
    .quality-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.38) saturate(.8); }
    .quality-bg::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(15,61,52,.88), rgba(20,40,35,.72) 55%, rgba(27,107,87,.45));
    }
    .quality .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; align-items: center; }
    .quality h2, .quality p { color: #F7F4EE; }
    .hl { color: var(--c-accent-soft); font-weight: 700; }
    .slice {
      background: rgba(255,253,248,.08); border: 1px solid rgba(243,208,137,.28); border-radius: 14px; padding: 22px;
    }
    .slice h3 { color: #fff; }
    .slice dl { display: grid; gap: 10px; margin: 0; }
    .slice div { display: grid; grid-template-columns: 88px 1fr; gap: 8px; font-size: 14px; }
    .slice dt { color: var(--c-accent-soft); }

    .case-wall { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; }
    .case-card {
      background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden;
      box-shadow: var(--shadow); transition: transform .2s ease, border-color .2s ease;
    }
    .case-card:hover { transform: translateY(-4px); border-color: var(--c-accent); }
    .case-card:first-child { grid-row: span 2; }
    .case-card img { width: 100%; height: 170px; object-fit: cover; }
    .case-card:first-child img { height: 280px; }
    .case-card div { padding: 14px 16px 16px; }
    .case-card p { color: var(--c-muted); font-size: 14px; margin: 0; }

    .story { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; align-items: center; margin-bottom: 48px; }
    .story.reverse { grid-template-columns: 1.1fr .9fr; }
    .story.reverse .story-text { order: -1; }
    .story img { width: 100%; height: 340px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
    .story p { color: var(--c-muted); }

    .scene-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
    .scene-tab {
      min-height: 44px; padding: 0 16px; border-radius: var(--chip); border: 1px solid var(--c-line);
      background: var(--c-paper); font-weight: 600;
    }
    .scene-tab.is-on { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
    .scene-panel { display: none; }
    .scene-panel.is-on { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
    .scene-big, .scene-side article {
      background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden;
    }
    .scene-big img { width: 100%; height: 240px; object-fit: cover; }
    .scene-big div, .scene-side article { }
    .scene-big > div, .scene-side article { padding: 18px; }
    .scene-side { display: grid; gap: 16px; }
    .scene-side p, .scene-big p { color: var(--c-muted); font-size: 14px; }

    .teacher-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; }
    .quality-points { list-style: none; display: grid; gap: 12px; }
    .quality-points li {
      background: var(--c-paper); border-radius: 12px; padding: 16px; border: 1px solid var(--c-line);
    }
    .quality-points strong { display: block; margin-bottom: 4px; }
    .teacher-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .teacher-card { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; }
    .teacher-card img { width: 100%; height: 160px; object-fit: cover; }
    .teacher-card div { padding: 14px; }
    .teacher-card p { color: var(--c-muted); font-size: 14px; margin: 0; }

    .review-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .review {
      background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius);
      padding: 22px 22px 18px; position: relative;
    }
    .review::before { content: "“"; position: absolute; right: 16px; top: 0; font-size: 64px; color: rgba(27,107,87,.12); font-family: var(--font-serif); line-height: 1; }
    .stars { color: var(--c-accent); letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .review p { color: var(--c-muted); font-size: 15px; }
    .review-meta { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; color: var(--c-ink); font-weight: 600; }

    .news-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 16px; }
    .news-card {
      background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden;
      position: relative; box-shadow: var(--shadow);
    }
    .news-card::after {
      content: ""; position: absolute; right: 0; top: 0; border-width: 0 22px 22px 0; border-style: solid;
      border-color: var(--c-accent) var(--c-accent) transparent transparent;
    }
    .news-card img { width: 100%; height: 150px; object-fit: cover; }
    .news-card:first-child { grid-row: span 1; }
    .news-card:first-child img { height: 210px; }
    .news-card div { padding: 16px; }
    .news-card time { color: var(--c-muted); font-size: 12px; }
    .news-card p { color: var(--c-muted); font-size: 14px; }
    .more-link { display: inline-flex; margin-top: 18px; font-weight: 600; }

    .partner-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
    .partner {
      background: #EFEDE6; color: #6B675F; border-radius: 12px; min-height: 76px;
      display: grid; place-items: center; font-weight: 700; letter-spacing: .08em; filter: grayscale(1);
      font-size: 14px;
    }

    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: 12px; overflow: hidden; }
    .faq-q {
      width: 100%; text-align: left; background: transparent; border: 0; min-height: 52px;
      padding: 14px 48px 14px 18px; font-weight: 600; position: relative;
    }
    .faq-q::after {
      content: ""; position: absolute; right: 18px; top: 50%; width: 10px; height: 10px;
      border-right: 2px solid var(--c-primary); border-bottom: 2px solid var(--c-primary);
      transform: translateY(-70%) rotate(45deg); transition: transform .2s ease;
    }
    .faq-item.is-open .faq-q::after { transform: translateY(-30%) rotate(225deg); }
    .faq-a { display: none; padding: 0 18px 16px; color: var(--c-muted); background: #F7F4EE; }
    .faq-item.is-open .faq-a { display: block; }

    .guarantee { background: rgba(27,107,87,.06); }
    .g-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .g-item {
      display: flex; gap: 12px; align-items: flex-start; padding: 8px 4px;
    }
    .g-ico {
      width: 40px; height: 40px; border-radius: 10px; background: var(--c-paper); color: var(--c-primary);
      display: grid; place-items: center; flex: none; border: 1px solid var(--c-line);
    }
    .g-item h3 { font-size: 16px; margin-bottom: 4px; }
    .g-item p { margin: 0; color: var(--c-muted); font-size: 13px; }

    .contact { background: var(--c-paper); }
    .contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 36px; align-items: start; }
    .contact-aside {
      background: var(--c-primary-deep); color: #F7F4EE; border-radius: var(--radius); padding: 28px;
      background-image: linear-gradient(160deg, rgba(15,61,52,.82), rgba(20,40,35,.7)), url("/assets/images/5bd9d30ff2a5f728.webp");
      background-size: cover; background-position: center;
    }
    .contact-aside h2, .contact-aside p, .contact-aside a { color: #F7F4EE; }
    .contact-aside a:hover { color: var(--c-accent-soft); }
    .info-list { list-style: none; display: grid; gap: 12px; margin-top: 18px; }
    .info-list li { font-size: 14px; }
    .form {
      background: #FFFEFB; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 24px;
      box-shadow: var(--shadow);
    }
    .form label { display: block; font-weight: 600; font-size: 14px; margin: 0 0 6px; }
    .form .field { margin-bottom: 14px; }
    .form input, .form select, .form textarea {
      width: 100%; min-height: 44px; border: 1px solid var(--c-line); border-radius: 10px;
      background: var(--c-paper); padding: 10px 12px; color: var(--c-ink);
    }
    .form textarea { min-height: 96px; resize: vertical; }
    .form input:focus, .form select:focus, .form textarea:focus {
      outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(27,107,87,.16);
    }
    .error { color: #A33B24; font-size: 13px; margin-top: 4px; display: none; }
    .field.is-error input, .field.is-error select { border-color: #A33B24; }
    .field.is-error .error { display: block; }
    .form-success {
      display: none; background: rgba(27,107,87,.08); border: 1px solid var(--c-primary); border-radius: 12px;
      padding: 22px; color: var(--c-primary-deep);
    }
    .form.is-ok .fields { display: none; }
    .form.is-ok .form-success { display: block; }

    .site-footer { background: var(--c-primary-deep); color: rgba(255,253,248,.8); padding: 56px 0 24px; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.2fr .9fr; gap: 28px; margin-bottom: 28px; }
    .site-footer a { color: rgba(255,253,248,.8); text-decoration: none; }
    .site-footer a:hover { color: var(--c-accent); text-decoration: none; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .foot-logo { color: #fff; font-family: var(--font-serif); font-size: 20px; display: block; margin-bottom: 10px; }
    .foot-links { list-style: none; display: grid; gap: 8px; }
    .copy { border-top: 1px solid rgba(255,253,248,.12); padding-top: 16px; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

    @media (max-width: 1280px) {
      .matrix { grid-template-columns: 1fr 1fr 1fr; }
      .m-card:nth-child(1), .m-card:nth-child(2) { grid-row: auto; grid-column: auto; }
      .news-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 1024px) {
      :root { --space: 72px; --nav-main: 66px; }
      .menu { display: none; }
      .hamburger { display: flex; }
      .nav-cta .btn { display: none; }
      .intro-grid, .hot-layout, .quality .container, .teacher-layout, .contact-grid, .story, .story.reverse { grid-template-columns: 1fr; }
      .story.reverse .story-text { order: 0; }
      .matrix, .course-grid, .case-wall, .coupon-grid { grid-template-columns: 1fr 1fr; }
      .case-card:first-child { grid-row: auto; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .partner-wall { grid-template-columns: repeat(4, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .scene-panel.is-on { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      :root { --space: 56px; --nav-utility: 36px; }
      .utility-links span.hide-sm, .utility-mail { display: none; }
      .hero-copy { padding: 48px 0 120px; }
      .hero-nav { display: none; }
      .stats-grid, .g-grid, .review-grid, .teacher-grid, .coupon-grid, .course-grid, .case-wall, .news-grid { grid-template-columns: 1fr 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .slide-hint { display: block; }
      .partner-wall { display: flex; overflow-x: auto; gap: 10px; }
      .partner { min-width: 140px; flex: 0 0 auto; }
      .search-box { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      .container { width: min(var(--container), calc(100% - 28px)); }
      .stats-grid, .g-grid, .review-grid, .teacher-grid, .coupon-grid, .course-grid, .case-wall, .news-grid, .matrix { grid-template-columns: 1fr; }
      .hero-dots { right: 16px; }
      .logo-text { font-size: 17px; }
      .footer-grid, .copy { grid-template-columns: 1fr; }
      .stat-num { font-size: 32px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }