:root {
    --ink: #0f172a;
    --muted: #64748b;
    --line: #e7edf5;
    --bg: #f4f7fb;
    --blue: #2f6fed;
    --navy: #07111c;
    --card: #ffffff;
    --dark-card: #121c2e;
    --purple: #7c3aed;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
img { max-width: 100%; display: block; }
.wrap {
    width: min(1360px, calc(100% - 40px));
    margin: 0 auto;
}
.section { padding: 88px 0; scroll-margin-top: 84px; }
.kicker { display: none; }
.intro h2 {
    font-size: 34px;
    line-height: 1.25;
    margin-bottom: 10px;
}
.intro h2 span {
    color: var(--blue);
    margin-right: 8px;
}
.intro .sub {
    color: #334155;
    font-weight: 700;
    margin-bottom: 14px;
}
.intro p { color: var(--muted); font-size: 14px; max-width: 280px; }
.split {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    cursor: pointer;
    border-radius: 999px;
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 700;
}
.btn-dark { background: #111827; color: #fff; }
.btn-blue {
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    color: #fff;
    box-shadow: 0 10px 24px rgba(37, 99, 235, .28);
}
.btn-ghost {
    margin-top: 22px;
    background: #111827;
    color: #fff;
}

/* header */
.header {
    position: sticky;
    top: 0;
    z-index: 40;
    height: 72px;
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, .9);
}
.header .wrap, .nav {
    height: 100%;
    display: flex;
    align-items: center;
}
.header .wrap { justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 220px; }
.brand-mark {
    width: 36px; height: 36px; border-radius: 50%;
    display: grid; place-items: center;
    background: #e8f0ff; color: var(--blue); flex: none;
}
.brand strong { display: block; font-size: 16px; line-height: 1.2; }
.brand small { color: #94a3b8; font-size: 12px; }
.nav { gap: 26px; color: #334155; font-size: 14px; }
.nav a:hover { color: var(--blue); }
.nav-consult {
    display: none; border: 0; background: #111827; color: #fff;
    border-radius: 999px; padding: 10px 18px; font-weight: 700; cursor: pointer;
}
.menu-btn {
    display: none;
    width: 42px; height: 42px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    cursor: pointer;
}
.menu-btn span {
    display: block; height: 2px; margin: 5px 11px; background: #111827; border-radius: 2px;
}

/* hero */
.hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(circle at 78% 28%, rgba(255, 186, 120, .55), transparent 22%),
        radial-gradient(circle at 68% 70%, rgba(37, 99, 235, .25), transparent 28%),
        linear-gradient(105deg, #0b1424 0%, #1a2a44 42%, #3d4e68 68%, #6a5344 100%);
    min-height: 640px;
}
.hero-mountains {
    position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 46%;
}
.hero .wrap {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 20px;
    align-items: center;
    min-height: 640px;
    padding: 36px 0 56px;
}
.hero h1 {
    font-size: clamp(42px, 5vw, 64px);
    line-height: 1.12;
    letter-spacing: -1px;
}
.hero h2 {
    margin: 14px 0 18px;
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 700;
}
.hero-lead { max-width: 460px; color: rgba(255,255,255,.78); font-size: 16px; }
.platforms {
    display: flex; flex-wrap: wrap; gap: 18px 22px; margin-top: 34px;
}
.platforms li {
    list-style: none; display: flex; flex-direction: column; align-items: center; gap: 8px;
    font-size: 12px; color: rgba(255,255,255,.82);
}
.hero-visual { position: relative; min-height: 520px; }
.phone {
    position: absolute; right: 150px; top: 28px;
    width: 250px; height: 500px; padding: 12px;
    border-radius: 36px; background: #0b0d12;
    box-shadow: 0 30px 80px rgba(0,0,0,.45);
    transform: rotate(-8deg);
}
.phone-screen {
    height: 100%; border-radius: 26px; overflow: hidden; position: relative;
    background:
        linear-gradient(180deg, rgba(8,12,20,.15), rgba(8,12,20,.55)),
        linear-gradient(160deg, #f2c9a0 0%, #d98558 28%, #3e6d93 62%, #16324d 100%);
}
.phone-ui {
    position: absolute; left: 14px; right: 14px; bottom: 18px; color: #fff;
}
.phone-ui b { display: block; font-size: 13px; }
.phone-ui span { font-size: 11px; opacity: .8; }
.phone-actions { display: flex; gap: 10px; margin-top: 10px; font-size: 12px; }
.hero-note {
    position: absolute; right: 0; top: 150px; width: 132px;
    font-size: 20px; font-weight: 800; line-height: 1.45;
    text-shadow: 0 8px 24px rgba(0,0,0,.35);
}

/* icons */
.icon {
    width: 42px; height: 42px; border-radius: 12px;
    display: grid; place-items: center; color: #fff; flex: none;
}
.icon svg { width: 22px; height: 22px; }
.i-tiktok svg, .i-yt svg, .i-ig svg, .i-fb svg, .i-x svg { fill: currentColor; }
.icon.round svg, .i-more svg { fill: none; stroke: currentColor; }
.icon.sm { width: 34px; height: 34px; border-radius: 10px; }
.icon.sm svg { width: 18px; height: 18px; }
.icon.round { border-radius: 50%; background: rgba(255,255,255,.08); color: #dbe7ff; }
.i-tiktok { background: #111; }
.i-yt { background: #ff0033; }
.i-ig { background: radial-gradient(circle at 30% 30%, #feda75, #d62976 55%, #4f5bd5); }
.i-fb { background: #1877f2; }
.i-x { background: #111; }
.i-more { background: #3b82f6; }

/* categories */
.cat-grid, .method-grid, .price-grid, .case-grid, .stat-grid {
    display: grid; gap: 14px;
}
.cat-grid { grid-template-columns: repeat(6, 1fr); }
.cat-card, .price-card, .case-card {
    background: #fff; border: 1px solid var(--line); border-radius: 18px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .04);
}
.cat-card { padding: 18px 14px 16px; min-height: 230px; display: flex; flex-direction: column; }
.cat-card h3 { margin: 14px 0 8px; font-size: 16px; }
.cat-card p { color: var(--muted); font-size: 12px; line-height: 1.7; flex: 1; }
.cat-card span { display: block; margin-top: 12px; color: #94a3b8; font-size: 12px; }

/* methods */
.methods {
    background:
        radial-gradient(circle at 75% 45%, rgba(59, 130, 246, .16), transparent 24%),
        linear-gradient(180deg, #08111c, #0c1828);
    color: #fff; position: relative; overflow: hidden;
}
.globe {
    position: absolute; right: -80px; top: 50%; transform: translateY(-50%);
    width: 520px; height: 520px; opacity: .35; pointer-events: none;
}
.methods .intro p, .data .intro p { color: rgba(255,255,255,.68); }
.methods .intro .sub, .data .intro .sub { color: #fff; }
.method-grid { grid-template-columns: repeat(5, 1fr); position: relative; z-index: 1; }
.method-card {
    background: rgba(10, 18, 32, .72);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 18px; padding: 22px 16px; min-height: 210px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.method-card h3 { margin: 16px 0 8px; font-size: 18px; }
.method-card p { color: rgba(255,255,255,.62); font-size: 13px; }

/* price */
.price-grid { grid-template-columns: repeat(4, 1fr); }
.price-card { padding: 22px 18px 18px; min-height: 360px; display: flex; flex-direction: column; position: relative; }
.price-card h3 { font-size: 18px; }
.quota { color: var(--muted); font-size: 13px; margin: 4px 0 16px; }
.amount { font-size: 13px; margin-bottom: 16px; }
.amount b { font-size: 34px; letter-spacing: -1px; }
.price-card ul { list-style: none; display: grid; gap: 8px; color: #475569; font-size: 13px; }
.price-card li { display: flex; gap: 8px; align-items: flex-start; }
.price-card li::before { content: "✓"; color: var(--blue); font-weight: 800; }
.fit {
    margin-top: auto; padding-top: 16px; text-align: center;
    color: #94a3b8; font-size: 12px; border-top: 1px solid var(--line);
}
.price-card.dark {
    background: linear-gradient(180deg, #182338, #10192a);
    color: #fff; border-color: transparent;
}
.price-card.dark .quota, .price-card.dark ul, .price-card.dark .fit { color: rgba(255,255,255,.68); }
.price-card.dark .fit { border-top-color: rgba(255,255,255,.08); }
.price-card.dark li::before { color: #93c5fd; }
.price-card.featured {
    border: 2px solid #c4b5fd;
    box-shadow: 0 18px 40px rgba(124, 58, 237, .12);
}
.price-card.featured .amount { color: var(--purple); }
.price-card.featured .fit { color: var(--purple); border: 0; }
.badge {
    position: absolute; top: -12px; right: 16px;
    background: linear-gradient(90deg, #7c3aed, #8b5cf6);
    color: #fff; font-size: 12px; font-weight: 700;
    padding: 4px 10px; border-radius: 999px;
}

/* cases */
.case-grid { grid-template-columns: repeat(4, 1fr); }
.case-card { overflow: hidden; }
.case-top { display: flex; gap: 10px; align-items: center; padding: 14px 14px 10px; }
.case-top h3 { font-size: 15px; }
.case-top small { color: var(--muted); }
.case-num { padding: 0 14px 12px; font-weight: 800; }
.case-num em { display: block; margin-top: 4px; color: var(--muted); font-style: normal; font-weight: 600; font-size: 13px; }
.shot { height: 148px; position: relative; }
.shot b {
    position: absolute; left: 12px; bottom: 12px;
    background: rgba(255,255,255,.92); color: #111827;
    border-radius: 12px; padding: 8px 10px; font-size: 13px; line-height: 1.25;
}
.shot b span { display: block; font-weight: 600; color: #64748b; font-size: 12px; }
.shot-beauty { background: linear-gradient(160deg, #f6d7cc, #e7a898 40%, #c98484); }
.shot-tech { background: linear-gradient(160deg, #1f2937, #334155 40%, #0f172a); }
.shot-travel { background: linear-gradient(160deg, #93c5fd, #2563eb 45%, #0f2744); }
.shot-plant { background: linear-gradient(160deg, #bbf7d0, #22c55e 42%, #14532d); }

/* data */
.data {
    background:
        radial-gradient(circle at 18% 60%, rgba(56, 189, 248, .16), transparent 22%),
        linear-gradient(180deg, #07111c, #0a1626 70%, #071018);
    color: #fff;
}
.stat-grid { grid-template-columns: repeat(4, 1fr); }
.stat-card {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 18px; padding: 26px 16px; text-align: center;
}
.stat-card .icon { margin: 0 auto 12px; background: rgba(255,255,255,.06); color: #bfdbfe; }
.stat-card strong { display: block; font-size: 32px; margin-bottom: 4px; }
.stat-card p { color: rgba(255,255,255,.62); font-size: 13px; }

/* footer */
.footer {
    position: relative; overflow: hidden; color: #fff;
    background:
        radial-gradient(circle at 80% 30%, rgba(59,130,246,.2), transparent 24%),
        linear-gradient(180deg, #07111c, #050b14);
    padding: 78px 0 28px; text-align: center;
}
.footer h2 { font-size: 36px; margin-bottom: 10px; }
.footer .lead { color: rgba(255,255,255,.7); margin-bottom: 22px; }
.footer-side {
    position: absolute; right: max(24px, calc((100% - 1360px) / 2));
    top: 92px; text-align: right; font-weight: 800; line-height: 1.45;
}
.points {
    display: flex; justify-content: center; gap: 36px; flex-wrap: wrap;
    margin-top: 54px; color: rgba(255,255,255,.72); font-size: 13px;
}
.points li { list-style: none; display: flex; align-items: center; gap: 8px; }
.case-more { display: none; }
.case-grid.is-open .case-more { display: block; }
.fit-btn {
    margin-top: auto; padding-top: 16px; width: 100%;
    border: 0; border-top: 1px solid var(--line); background: transparent;
    color: var(--blue); font-size: 13px; font-weight: 700; cursor: pointer;
}
.consult {
    position: fixed; inset: 0; z-index: 80; display: none;
    align-items: center; justify-content: center; padding: 20px;
    background: rgba(2, 6, 23, .72);
}
.consult.active { display: flex; }
.consult-box {
    width: min(440px, 100%); background: #fff; color: var(--ink);
    border-radius: 20px; padding: 28px; position: relative;
}
.consult-box h3 { font-size: 22px; margin-bottom: 8px; }
.consult-box .hint { color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.consult-box label { display: block; font-size: 13px; margin: 12px 0 6px; }
.consult-box input, .consult-box select, .consult-box textarea {
    width: 100%; border: 1px solid var(--line); border-radius: 12px;
    padding: 10px 12px; font: inherit; color: var(--ink); background: #fff;
}
.consult-box textarea { min-height: 88px; resize: vertical; }
.consult-box .btn { width: 100%; margin-top: 16px; }
.consult-close {
    position: absolute; top: 14px; right: 14px; width: 32px; height: 32px;
    border: 0; border-radius: 50%; background: #f1f5f9; cursor: pointer;
}
.consult-done { display: none; padding: 12px 0 4px; }
.consult.is-done form { display: none; }
.consult.is-done .consult-done { display: block; }

@media (max-width: 1100px) {
    .split, .hero .wrap { grid-template-columns: 1fr; }
    .intro p { max-width: none; }
    .cat-grid { grid-template-columns: repeat(3, 1fr); }
    .method-grid { grid-template-columns: repeat(3, 1fr); }
    .price-grid, .case-grid, .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-visual { min-height: 560px; }
    .footer-side { position: static; text-align: center; margin-top: 28px; }
}
@media (max-width: 780px) {
    .menu-btn { display: block; }
    .nav {
        display: none; position: absolute; left: 0; right: 0; top: 72px;
        background: #fff; border-bottom: 1px solid var(--line);
        flex-direction: column; align-items: flex-start; padding: 12px 20px 18px; height: auto;
    }
    body.nav-open .nav { display: flex; }
    .nav-consult { display: inline-flex; }
    .header .btn { display: none; }
    .cat-grid, .method-grid { grid-template-columns: repeat(2, 1fr); }
    .hero .wrap, .hero-visual { min-height: 0; }
    .hero-visual { height: 540px; }
    .phone { right: 50%; margin-right: -150px; }
    .hero-note { right: 8px; top: 80px; }
    .section { padding: 64px 0; }
}
@media (max-width: 560px) {
    .cat-grid, .method-grid, .price-grid, .case-grid, .stat-grid { grid-template-columns: 1fr; }
    .phone { transform: none; width: 210px; height: 420px; margin-right: -105px; }
}

a.cat-card { color: inherit; text-decoration: none; }
a.cat-card:hover { transform: translateY(-4px); border-color: #bfdbfe; }
.platforms a {
    color: inherit; text-decoration: none;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.page-hero {
    background: linear-gradient(105deg, #0b1424 0%, #1a2a44 58%, #3d4e68 100%);
    color: #fff; padding: 64px 0 48px;
}
.page-hero .crumb { color: #93c5fd; font-size: 13px; margin-bottom: 12px; }
.page-hero .crumb a { color: inherit; text-decoration: none; }
.page-hero h1 { font-size: clamp(36px, 5vw, 52px); line-height: 1.15; }
.page-hero p { max-width: 640px; margin-top: 12px; color: rgba(255,255,255,.78); }
.detail {
    display: grid; grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px; align-items: start;
}
.detail h2 { font-size: 22px; margin: 28px 0 10px; }
.detail h2:first-child { margin-top: 0; }
.detail .copy { color: var(--muted); }
.feature-list { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; }
.feature-list li {
    background: #f8fafc; border: 1px solid var(--line);
    border-radius: 999px; padding: 8px 14px; font-size: 13px;
}
.mini-cases { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mini-cases article {
    border: 1px solid var(--line); border-radius: 16px; padding: 16px;
}
.mini-cases strong { display: block; font-size: 18px; }
.mini-cases span { color: #16a34a; font-size: 13px; }
.detail .price-card { position: sticky; top: 96px; }
.detail .price-card .btn { width: 100%; margin-top: 16px; }
@media (max-width: 900px) {
    .detail, .mini-cases { grid-template-columns: 1fr; }
    .detail .price-card { position: static; }
}