/* roulang page: index */
:root {
      --blue: #246BFE;
      --blue-deep: #1B4ED8;
      --blue-soft: #EEF4FF;
      --teal: #0F9F9C;
      --mint: #10B981;
      --amber: #F59E0B;
      --rose: #E11D48;
      --ink: #1F2937;
      --muted: #667085;
      --line: #E5E7EB;
      --line-soft: rgba(148, 163, 184, .22);
      --bg: #F4F6FA;
      --paper: #FFFFFF;
      --soft: #EEF4FF;
      --dark: #111827;
      --dark-2: #0B1220;
      --dark-3: #162033;
      --shadow: 0 16px 40px rgba(15, 23, 42, .08);
      --shadow-hover: 0 18px 44px rgba(15, 23, 42, .14);
      --radius: 22px;
      --radius-sm: 14px;
      --pill: 999px;
      --container: 1220px;
      --header: 118px;
      --ease: cubic-bezier(.22, .84, .32, 1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      color: var(--ink);
      background: var(--bg);
      line-height: 1.8;
      font-size: 16px;
      overflow-x: hidden;
    }
    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; border: 0; background: none; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    h1, h2, h3, h4, p { margin: 0; }
    :focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    section[id] { scroll-margin-top: 96px; }

    .topbar {
      background: #F8FAFC;
      border-bottom: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
      line-height: 1.4;
    }
    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 38px;
    }
    .topbar-left, .topbar-right { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: center; }
    .topbar a:hover { color: var(--blue); }
    .trust-dot {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .trust-dot::before {
      content: "";
      width: 7px; height: 7px; border-radius: 50%;
      background: var(--mint);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, .16);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(244, 246, 250, .88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      transition: background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
    }
    .site-header.is-stuck {
      background: #fff;
      border-bottom-color: var(--line);
      box-shadow: 0 8px 24px rgba(15, 23, 42, .06);
    }
    .nav-main {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      min-height: 74px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      min-height: 44px;
      flex: 0 0 auto;
    }
    .brand-mark {
      width: 38px; height: 38px; border-radius: 12px;
      background: linear-gradient(180deg, #3B82F6, #1D4ED8);
      display: grid;
      place-items: center;
      box-shadow: 0 8px 16px rgba(36, 107, 254, .28);
    }
    .brand-name { display: flex; flex-direction: column; line-height: 1.15; }
    .brand-name strong { font-size: 16px; font-weight: 800; letter-spacing: .02em; }
    .brand-name span { font-size: 11px; color: var(--muted); font-weight: 500; margin-top: 3px; }
    .nav-links { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
    .nav-links a {
      padding: 8px 10px;
      border-radius: 10px;
      font-size: 14px;
      color: #334155;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      transition: color .2s, background .2s;
    }
    .nav-links a:hover, .nav-links a.is-active {
      color: var(--blue);
      background: var(--blue-soft);
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none;
      width: 44px; height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: #fff;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--pill);
      font-weight: 700;
      font-size: 14px;
      transition: transform .2s var(--ease), box-shadow .2s, background .2s, border-color .2s, color .2s;
      border: 1px solid transparent;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn:active { transform: translateY(0); }
    .btn-primary {
      background: var(--blue);
      color: #fff;
      box-shadow: 0 10px 20px rgba(36, 107, 254, .24);
    }
    .btn-primary:hover { background: var(--blue-deep); box-shadow: 0 14px 24px rgba(36, 107, 254, .3); }
    .btn-ghost {
      background: #fff;
      color: var(--ink);
      border-color: var(--line);
    }
    .btn-ghost:hover { border-color: #bfdbfe; background: var(--blue-soft); color: var(--blue-deep); }
    .btn-dark {
      background: #0F172A;
      color: #fff;
    }
    .btn-dark:hover { background: #1E293B; }
    .btn-line {
      background: transparent;
      color: #fff;
      border-color: rgba(255,255,255,.28);
    }
    .btn-line:hover { background: rgba(255,255,255,.08); }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: var(--pill);
      font-size: 12px;
      font-weight: 700;
      background: var(--blue-soft);
      color: var(--blue-deep);
    }
    .badge-mint { background: #ECFDF5; color: #047857; }
    .badge-amber { background: #FFFBEB; color: #B45309; }
    .badge-dark { background: rgba(255,255,255,.1); color: #E5E7EB; }

    .hero {
      position: relative;
      padding: 54px 0 28px;
      overflow: hidden;
      background:
        linear-gradient(180deg, rgba(244,246,250,.55), rgba(244,246,250,.92)),
        url("/assets/images/fd997d8ca2ee749c.webp") center/cover no-repeat;
    }
    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(36,107,254,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(36,107,254,.05) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(180deg, #000 40%, transparent 100%);
      pointer-events: none;
    }
    .hero .container { position: relative; z-index: 1; }
    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--blue-deep);
      font-weight: 700;
      font-size: 13px;
      margin-bottom: 14px;
    }
    .hero h1 {
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: -.02em;
      max-width: 18em;
    }
    .hero-lead {
      margin-top: 18px;
      max-width: 820px;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.85;
    }
    .ide {
      margin-top: 28px;
      background: #0F172A;
      border-radius: 24px;
      box-shadow: var(--shadow-hover);
      overflow: hidden;
      border: 1px solid #1E293B;
      min-height: 430px;
    }
    .ide-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 16px;
      background: #111827;
      border-bottom: 1px solid #243044;
    }
    .ide-dots { display: flex; gap: 6px; }
    .ide-dots i { width: 10px; height: 10px; border-radius: 50%; display: block; }
    .ide-dots i:nth-child(1) { background: #F87171; }
    .ide-dots i:nth-child(2) { background: #FBBF24; }
    .ide-dots i:nth-child(3) { background: #34D399; }
    .ide-path { color: #93A4C0; font-size: 12px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
    .ide-body { display: grid; grid-template-columns: 210px 1fr 240px; min-height: 380px; }
    .ide-side {
      border-right: 1px solid #243044;
      padding: 14px 10px;
      background: #101828;
    }
    .ide-side p {
      color: #64748B;
      font-size: 11px;
      letter-spacing: .08em;
      margin: 0 10px 8px;
    }
    .file-btn {
      width: 100%;
      text-align: left;
      color: #CBD5E1;
      border-radius: 10px;
      padding: 10px 12px;
      min-height: 44px;
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .file-btn:hover, .file-btn.is-active { background: #1E293B; color: #fff; }
    .file-btn small { color: #64748B; margin-left: auto; font-size: 11px; }
    .ide-code {
      padding: 18px 20px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
      color: #E2E8F0;
      font-size: 13px;
      line-height: 1.7;
      position: relative;
      overflow: hidden;
    }
    .slide { display: none; }
    .slide.is-active { display: block; animation: fadeUp .35s var(--ease); }
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(8px); }
      to { opacity: 1; transform: none; }
    }
    .code-line { display: flex; gap: 14px; }
    .ln { color: #475569; width: 16px; flex: none; }
    .kw { color: #93C5FD; }
    .str { color: #6EE7B7; }
    .cm { color: #64748B; }
    .ide-out {
      border-left: 1px solid #243044;
      padding: 16px;
      background: #0B1220;
      color: #CBD5E1;
      font-size: 13px;
    }
    .ide-out h3 { color: #F8FAFC; font-size: 14px; margin-bottom: 10px; }
    .out-row {
      display: flex;
      justify-content: space-between;
      gap: 8px;
      padding: 8px 0;
      border-bottom: 1px dashed #1E293B;
    }
    .ok { color: #34D399; }
    .warn { color: #FBBF24; }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 22px;
    }
    .hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
    .chip {
      min-height: 36px;
      padding: 6px 12px;
      border-radius: var(--pill);
      background: #fff;
      border: 1px solid var(--line);
      font-size: 12px;
      font-weight: 700;
      color: #334155;
    }
    .carousel-nav {
      display: flex;
      gap: 8px;
      align-items: center;
    }
    .icon-btn {
      width: 44px; height: 44px; border-radius: 50%;
      background: #fff; border: 1px solid var(--line);
      display: grid; place-items: center;
      transition: .2s;
    }
    .icon-btn:hover { border-color: var(--blue); color: var(--blue); }
    .dots { display: flex; gap: 6px; }
    .dots button {
      width: 8px; height: 8px; border-radius: 50%; background: #CBD5E1;
    }
    .dots button.is-active { width: 22px; border-radius: 8px; background: var(--blue); }

    .sec { padding: 88px 0; }
    .sec-alt { background: #fff; }
    .sec-head { margin-bottom: 28px; max-width: 760px; }
    .sec-head h2 {
      font-size: clamp(26px, 3.4vw, 40px);
      line-height: 1.22;
      font-weight: 800;
      letter-spacing: -.02em;
    }
    .sec-head p { margin-top: 12px; color: var(--muted); line-height: 1.85; }
    .eyebrow {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      color: var(--teal);
      letter-spacing: .08em;
      margin-bottom: 8px;
    }

    .entry-wall {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      grid-template-rows: auto auto;
      gap: 14px;
    }
    .entry-card {
      background: #fff;
      border: 1px solid var(--line-soft);
      border-radius: 22px;
      padding: 20px;
      box-shadow: var(--shadow);
      min-height: 150px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      transition: transform .2s var(--ease), border-color .2s, box-shadow .2s;
    }
    .entry-card:hover { transform: translateY(-4px); border-color: #bfdbfe; box-shadow: var(--shadow-hover); }
    .entry-card.wide { grid-row: span 2; background:
      linear-gradient(180deg, rgba(15,23,42,.08), rgba(15,23,42,.45)),
      url("/assets/images/f6697691f6b62c71.webp") center/cover no-repeat;
      color: #fff;
      justify-content: flex-end;
      min-height: 320px;
    }
    .entry-card.wide p { color: #E5E7EB; }
    .entry-card h3 { font-size: 20px; line-height: 1.3; }
    .entry-card p { color: var(--muted); font-size: 14px; }
    .entry-card.wide h3 { font-size: 28px; }
    .ico {
      width: 42px; height: 42px; border-radius: 12px;
      display: grid; place-items: center;
      background: var(--blue-soft); color: var(--blue);
    }

    .value-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 22px;
    }
    .value-card {
      background: var(--bg);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 22px;
    }
    .value-card h3 { font-size: 18px; margin: 10px 0 8px; }
    .value-card li {
      position: relative;
      padding-left: 14px;
      color: var(--muted);
      font-size: 14px;
      margin-top: 6px;
    }
    .value-card li::before {
      content: "";
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--teal);
      position: absolute; left: 0; top: .7em;
    }

    .split {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 36px;
      align-items: center;
    }
    .feature-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 20px; }
    .check-list li {
      display: flex; gap: 10px; align-items: flex-start;
      margin-top: 10px; color: #334155; font-size: 14px;
    }
    .check-list b { color: var(--mint); }
    .product-stage {
      background: #fff;
      border-radius: 24px;
      border: 1px solid var(--line-soft);
      box-shadow: var(--shadow);
      padding: 18px;
    }
    .kanban {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
    }
    .kanban-col {
      background: #F8FAFC;
      border-radius: 16px;
      padding: 10px;
      min-height: 220px;
    }
    .kanban-col header {
      display: flex; justify-content: space-between; font-size: 12px; font-weight: 800; margin-bottom: 8px;
    }
    .task {
      background: #fff; border-radius: 12px; padding: 10px; margin-top: 8px;
      border: 1px solid var(--line); font-size: 12px;
    }
    .task .meta { display: flex; justify-content: space-between; color: var(--muted); margin-top: 6px; }
    .avatars { display: flex; }
    .avatars span {
      width: 22px; height: 22px; border-radius: 50%;
      display: grid; place-items: center; color: #fff; font-size: 10px; font-weight: 800;
      border: 2px solid #fff; margin-left: -6px;
    }
    .avatars span:first-child { margin-left: 0; }
    .gantt {
      margin-top: 12px;
      background: #F8FAFC;
      border-radius: 16px;
      padding: 12px;
    }
    .gantt-bar {
      height: 10px; border-radius: 8px; background: #DBEAFE; position: relative; margin-top: 10px;
    }
    .gantt-bar i {
      position: absolute; left: 8%; width: 46%; height: 100%;
      background: var(--blue); border-radius: 8px;
    }
    .gantt-bar.late i { left: 18%; width: 62%; background: var(--amber); }
    .mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px; }
    .mini-stats div {
      background: var(--blue-soft); border-radius: 12px; padding: 10px; font-size: 12px;
    }
    .mini-stats strong { display: block; font-size: 16px; }

    .shot-track {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(220px, 1fr);
      gap: 12px;
      overflow-x: auto;
      padding-bottom: 8px;
      margin-top: 18px;
      scroll-snap-type: x mandatory;
    }
    .shot {
      scroll-snap-align: start;
      border-radius: 18px;
      overflow: hidden;
      position: relative;
      min-height: 150px;
    }
    .shot img { width: 100%; height: 160px; object-fit: cover; }
    .shot figcaption {
      position: absolute; inset: auto 8px 8px 8px;
      background: rgba(15,23,42,.78);
      color: #fff; border-radius: 12px; padding: 8px 10px; font-size: 12px;
    }

    .plan-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      align-items: stretch;
    }
    .plan {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
    }
    .plan-top { height: 8px; }
    .plan:nth-child(1) .plan-top { background: #60A5FA; }
    .plan:nth-child(2) .plan-top { background: var(--blue); }
    .plan:nth-child(3) .plan-top { background: var(--teal); }
    .plan-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .plan h3 { font-size: 22px; }
    .plan p { color: var(--muted); font-size: 14px; }
    .plan li { font-size: 14px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
    .plan .btn { margin-top: auto; width: 100%; }
    .plan.featured {
      transform: translateY(-8px);
      border-color: #93C5FD;
      box-shadow: 0 20px 50px rgba(36,107,254,.16);
    }

    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .adv-card {
      background: #fff;
      border: 1px solid var(--line-soft);
      border-radius: 22px;
      padding: 22px;
      box-shadow: var(--shadow);
      transition: transform .2s var(--ease), border-color .2s, box-shadow .2s;
    }
    .adv-card:hover {
      transform: translateY(-4px);
      border-color: var(--blue);
      box-shadow: var(--shadow-hover);
    }
    .adv-card:hover .ico { background: var(--blue); color: #fff; }
    .adv-card h3 { font-size: 18px; margin: 12px 0 8px; }
    .adv-card li { color: var(--muted); font-size: 14px; padding-left: 12px; position: relative; margin-top: 6px; }
    .adv-card li::before { content: "·"; position: absolute; left: 0; color: var(--blue); font-weight: 800; }

    .scene-box {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 18px;
      background: #fff;
      border: 1px solid var(--line-soft);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .scene-nav { padding: 16px; background: #F8FAFC; border-right: 1px solid var(--line); }
    .scene-nav button {
      width: 100%;
      text-align: left;
      padding: 12px 14px;
      min-height: 48px;
      border-radius: 14px;
      font-weight: 700;
      color: #334155;
    }
    .scene-nav button.is-active, .scene-nav button:hover {
      background: #fff;
      color: var(--blue);
      box-shadow: var(--shadow);
    }
    .scene-panel { padding: 24px; }
    .scene-panel h3 { font-size: 24px; margin-bottom: 8px; }
    .scene-panel .desc { color: var(--muted); margin-bottom: 18px; }
    .flow {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 8px;
      margin-bottom: 18px;
    }
    .flow li {
      background: var(--blue-soft);
      border-radius: 14px;
      padding: 12px 10px;
      font-size: 13px;
      font-weight: 700;
      position: relative;
    }
    .flow li span { display: block; color: var(--blue); font-size: 11px; margin-bottom: 4px; }
    .mini-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }
    .mini-table th, .mini-table td {
      text-align: left;
      padding: 10px 8px;
      border-bottom: 1px solid var(--line);
    }
    .mini-table th { color: var(--muted); font-weight: 700; }
    .status {
      display: inline-flex; align-items: center; gap: 6px;
      font-weight: 700; font-size: 12px;
    }
    .status i { width: 8px; height: 8px; border-radius: 50%; }
    .st-run i { background: var(--blue); }
    .st-ok i { background: var(--mint); }
    .st-risk i { background: var(--amber); }

    .news-layout {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
    }
    .news-feature {
      position: relative;
      border-radius: 24px;
      overflow: hidden;
      min-height: 420px;
      color: #fff;
      box-shadow: var(--shadow);
    }
    .news-feature img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .news-feature .shade {
      position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(15,23,42,.1), rgba(15,23,42,.82));
    }
    .news-feature .txt { position: absolute; left: 22px; right: 22px; bottom: 22px; }
    .news-feature h3 { font-size: 26px; line-height: 1.3; margin: 8px 0; }
    .news-list { display: flex; flex-direction: column; gap: 12px; }
    .news-item {
      background: #fff;
      border: 1px solid var(--line-soft);
      border-radius: 18px;
      padding: 16px;
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 12px;
      box-shadow: var(--shadow);
    }
    .news-item img { width: 92px; height: 72px; object-fit: cover; border-radius: 12px; }
    .news-item h3 { font-size: 16px; line-height: 1.4; }
    .news-item p { color: var(--muted); font-size: 13px; margin-top: 4px; }
    .news-extra { display: none; }
    .news-extra.is-open { display: contents; }

    .rank-wrap {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }
    .rank-list { background: #fff; border-radius: 24px; padding: 8px 20px 20px; border: 1px solid var(--line-soft); box-shadow: var(--shadow); }
    .rank-item { display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .rank-no { font-weight: 800; color: var(--blue); font-size: 18px; }
    .bar { height: 8px; background: #E2E8F0; border-radius: 8px; margin-top: 8px; overflow: hidden; }
    .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), var(--teal)); }
    .metric-stack { display: grid; gap: 12px; }
    .metric {
      background: #fff; border-radius: 20px; padding: 18px 20px;
      border: 1px solid var(--line-soft); box-shadow: var(--shadow);
    }
    .metric strong { display: block; font-size: 32px; line-height: 1.1; }
    .metric span { color: var(--muted); font-size: 13px; }

    .compare {
      position: relative;
      background: var(--dark-3);
      color: #E5E7EB;
      overflow: hidden;
    }
    .compare::before {
      content: "";
      position: absolute; inset: 0;
      background: url("/assets/images/018b71a220b65a7f.webp") center/cover no-repeat;
      opacity: .18;
    }
    .compare .container { position: relative; }
    .compare .sec-head p { color: #94A3B8; }
    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .compare-col {
      background: rgba(15,23,42,.72);
      border: 1px solid rgba(148,163,184,.18);
      border-radius: 22px;
      padding: 22px;
    }
    .compare-col h3 { color: #fff; font-size: 22px; margin-bottom: 12px; }
    .compare-col li {
      padding: 10px 0;
      border-bottom: 1px dashed rgba(148,163,184,.2);
      font-size: 14px;
    }
    .glow-line {
      height: 3px; border-radius: 4px; margin: 16px 0;
      background: linear-gradient(90deg, transparent, var(--teal), var(--blue), transparent);
      box-shadow: 0 0 16px rgba(20,184,166,.5);
    }

    .timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      position: relative;
    }
    .timeline::before {
      content: "";
      position: absolute; left: 4%; right: 4%; top: 28px;
      height: 2px; background: #DBEAFE;
    }
    .step {
      background: #fff;
      border-radius: 20px;
      padding: 20px;
      border: 1px solid var(--line-soft);
      box-shadow: var(--shadow);
      position: relative;
    }
    .step-no {
      width: 36px; height: 36px; border-radius: 50%;
      background: var(--blue); color: #fff;
      display: grid; place-items: center; font-weight: 800; margin-bottom: 10px;
    }
    .step h3 { font-size: 18px; margin-bottom: 6px; }
    .step p { color: var(--muted); font-size: 14px; }
    .story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; }
    .story {
      background: #fff; border-radius: 20px; padding: 18px;
      border: 1px solid var(--line);
    }
    .story h3 { font-size: 18px; margin-bottom: 8px; }
    .story p { color: var(--muted); font-size: 14px; }

    .review-grid {
      display: grid;
      grid-template-columns: 1.2fr 1.2fr .9fr;
      grid-template-rows: auto auto;
      gap: 14px;
    }
    .review {
      background: #fff;
      border-radius: 22px;
      padding: 22px;
      border: 1px solid var(--line-soft);
      box-shadow: var(--shadow);
    }
    .review.big { min-height: 220px; }
    .stars { color: var(--amber); letter-spacing: 2px; font-size: 14px; }
    .person { display: flex; gap: 10px; align-items: center; margin-top: 14px; }
    .avatar {
      width: 40px; height: 40px; border-radius: 50%;
      display: grid; place-items: center; color: #fff; font-weight: 800;
    }
    .partners {
      display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px;
    }
    .partner {
      background: #fff; border: 1px dashed #CBD5E1; border-radius: 12px;
      padding: 10px 14px; font-size: 13px; font-weight: 700; color: #334155;
    }

    .faq-list { display: grid; gap: 10px; }
    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow: hidden;
    }
    .faq-item button {
      width: 100%;
      text-align: left;
      padding: 16px 18px;
      min-height: 56px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      font-weight: 800;
    }
    .faq-item .plus { color: var(--blue); font-size: 20px; }
    .faq-item .faq-a {
      display: none;
      padding: 0 18px 16px;
      color: var(--muted);
    }
    .faq-item.is-open .faq-a { display: block; }
    .faq-item.is-open { border-color: #93C5FD; }

    .cta-sec {
      position: relative;
      background:
        linear-gradient(180deg, rgba(11,18,32,.82), rgba(11,18,32,.92)),
        url("/assets/images/0e4189b21eceb3fe.webp") center/cover no-repeat;
      color: #fff;
    }
    .cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
    .guarantee { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
    .guarantee div {
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      border-radius: 14px;
      padding: 12px;
      font-size: 14px;
    }
    .form-card {
      background: #fff;
      color: var(--ink);
      border-radius: 24px;
      padding: 22px;
      box-shadow: var(--shadow-hover);
    }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .form-grid .full { grid-column: 1 / -1; }
    label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
    input, select, textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 12px 12px;
      min-height: 44px;
      background: #F8FAFC;
      transition: border-color .2s, box-shadow .2s;
    }
    textarea { min-height: 96px; resize: vertical; }
    input:focus, select:focus, textarea:focus {
      outline: none;
      border-color: var(--blue);
      box-shadow: 0 0 0 4px rgba(36,107,254,.12);
      background: #fff;
    }
    .is-error { border-color: var(--rose) !important; }
    .form-msg { display: none; margin-top: 10px; color: #047857; font-weight: 700; }
    .form-msg.is-show { display: block; }
    .map-box {
      margin-top: 16px;
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.12);
      min-height: 140px;
      background:
        linear-gradient(180deg, rgba(36,107,254,.12), rgba(15,23,42,.2)),
        url("/assets/images/4ca3e95117afca3e.webp") center/cover no-repeat;
      display: flex; align-items: flex-end;
    }
    .map-box span {
      margin: 12px;
      background: rgba(15,23,42,.78);
      border-radius: 12px;
      padding: 8px 12px;
      font-size: 12px;
    }

    .site-footer {
      background: var(--dark-2);
      color: #CBD5E1;
      padding: 48px 0 110px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .9fr 1fr;
      gap: 28px;
    }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { display: inline-block; min-height: 34px; padding: 4px 0; }
    .site-footer a:hover { color: #fff; }
    .copy {
      margin-top: 28px;
      padding-top: 16px;
      border-top: 1px solid #1E293B;
      color: #64748B;
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }

    .dock {
      position: fixed;
      left: 50%;
      bottom: 16px;
      transform: translateX(-50%) translateY(120%);
      z-index: 70;
      width: min(920px, calc(100% - 24px));
      background: #0F172A;
      color: #fff;
      border-radius: 18px;
      box-shadow: 0 16px 40px rgba(15,23,42,.28);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 12px 10px 18px;
      opacity: 0;
      pointer-events: none;
      transition: .28s var(--ease);
    }
    .dock.is-show { transform: translateX(-50%) translateY(0); opacity: 1; pointer-events: auto; }
    .dock p { font-size: 14px; font-weight: 700; }
    .dock-actions { display: flex; gap: 8px; align-items: center; }

    .overlay {
      position: fixed; inset: 0; background: rgba(15,23,42,.45);
      opacity: 0; pointer-events: none; z-index: 90; transition: .2s;
    }
    .overlay.is-open { opacity: 1; pointer-events: auto; }
    .drawer {
      position: fixed; top: 0; right: 0; height: 100%;
      width: min(86vw, 360px);
      background: #fff; z-index: 100;
      transform: translateX(100%);
      transition: transform .28s var(--ease);
      padding: 18px;
      display: flex; flex-direction: column; gap: 8px;
    }
    .drawer.is-open { transform: none; }
    .drawer a {
      min-height: 44px; display: flex; align-items: center;
      padding: 8px 10px; border-radius: 12px; font-weight: 700;
    }
    .drawer a:hover { background: var(--blue-soft); color: var(--blue); }

    @media (max-width: 1200px) {
      .ide-body { grid-template-columns: 180px 1fr 200px; }
      .entry-wall { grid-template-columns: 1fr 1fr; }
      .entry-card.wide { grid-row: auto; min-height: 220px; }
      .review-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 992px) {
      .nav-links, .nav-cta .btn { display: none; }
      .menu-toggle { display: inline-flex; }
      .split, .scene-box, .news-layout, .rank-wrap, .compare-grid, .cta-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .ide-body { grid-template-columns: 1fr; }
      .ide-side { display: flex; gap: 8px; overflow-x: auto; border-right: 0; border-bottom: 1px solid #243044; }
      .file-btn { width: auto; white-space: nowrap; }
      .ide-out { border-left: 0; border-top: 1px solid #243044; }
      .plan.featured { transform: none; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .flow { grid-template-columns: 1fr 1fr; }
      .adv-grid, .plan-grid, .value-row, .story-grid { grid-template-columns: 1fr 1fr; }
      .sec { padding: 64px 0; }
    }
    @media (max-width: 768px) {
      .topbar-right { display: none; }
      .entry-wall, .adv-grid, .plan-grid, .value-row, .story-grid, .review-grid, .form-grid, .guarantee, .mini-stats, .kanban {
        grid-template-columns: 1fr;
      }
      .hero { padding-top: 28px; }
      .news-item { grid-template-columns: 76px 1fr; }
      .dock { flex-direction: column; align-items: stretch; bottom: 8px; }
      .dock-actions { justify-content: stretch; }
      .dock-actions .btn { flex: 1; }
      .site-footer { padding-bottom: 150px; }
    }
    @media (max-width: 560px) {
      .container { width: min(100% - 28px, var(--container)); }
      .timeline, .flow { grid-template-columns: 1fr; }
      .hero-lead { font-size: 15px; }
      .ide { min-height: 0; }
      .ide-code { font-size: 12px; overflow-x: auto; }
      .copy { flex-direction: column; }
    }
    @media (max-width: 375px) {
      body { font-size: 15px; }
      .chip { font-size: 11px; }
      .brand-name strong { font-size: 15px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }