/* 官网 */
.site { background: #f7f3ec; }

.site-wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-head {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(22, 19, 15, 0.92);
    backdrop-filter: saturate(160%) blur(12px);
    color: #f6f1e8;
}

.site-bar {
    display: flex;
    align-items: center;
    gap: 28px;
    width: min(1160px, calc(100% - 40px));
    min-height: 64px;
    margin: 0 auto;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: inherit;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
}

.logo-mark {
    position: relative;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: linear-gradient(135deg, #e0694f, #9d3b2c);
}

.logo-mark::after {
    content: "";
    position: absolute;
    inset: 7px;
    border: 2px solid #fff;
    border-radius: 50%;
}

.site-nav { display: flex; gap: 22px; flex: 1; }

.site-nav a, .site-actions > a:not(.button) {
    color: #d9d0c3;
    font-size: 15px;
    text-decoration: none;
    white-space: nowrap;
}

.site-nav a:hover, .site-nav a.is-on, .site-actions > a:not(.button):hover { color: #fff; }

.site-actions { display: flex; align-items: center; gap: 16px; }

.site main { min-height: 60vh; }

.site-status { width: min(1160px, calc(100% - 40px)); margin: 16px auto 0; }

/* 首屏 */
.splash {
    position: relative;
    overflow: hidden;
    padding: 72px 0 88px;
    background:
        radial-gradient(900px 480px at 85% 10%, rgba(224, 105, 79, 0.28), transparent 60%),
        radial-gradient(700px 420px at 10% 100%, rgba(212, 170, 92, 0.18), transparent 60%),
        #16130f;
    color: #f6f1e8;
}

.splash-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.splash h1 {
    margin: 0 0 18px;
    font-size: clamp(36px, 5.4vw, 60px);
    line-height: 1.12;
    letter-spacing: -0.03em;
}

.splash h1 em { color: #f08a6c; font-style: normal; }

.splash-lede { max-width: 560px; margin: 0 0 28px; color: #cfc5b6; font-size: 18px; line-height: 1.7; }

.splash-cta { display: flex; flex-wrap: wrap; gap: 12px; }

.button-lg { min-height: 52px; padding: 0 26px; font-size: 17px; }

.button-light { background: transparent; color: #f6f1e8; border: 1px solid rgba(246, 241, 232, 0.35); }

.splash-points { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 28px 0 0; padding: 0; list-style: none; color: #b9ae9e; font-size: 14px; }

.splash-points li::before { content: "✓"; margin-right: 6px; color: #f08a6c; }

/* 手机示意 */
.phone {
    position: relative;
    width: min(300px, 80vw);
    margin: 0 auto;
    padding: 12px;
    border-radius: 42px;
    background: #2a2520;
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.45), inset 0 0 0 2px #3a332c;
}

.phone-screen { overflow: hidden; border-radius: 32px; background: #f3efe7; color: #1c1915; }

.phone-top { padding: 30px 16px 12px; background: #1c1915; color: #f6f1e8; }

.phone-top b { display: block; font-size: 15px; }

.phone-top span { color: #cfc5b6; font-size: 12px; }

.phone-live { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; padding: 2px 10px; border-radius: 999px; background: #9d3b2c; font-size: 11px; }

.phone-live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #fff; animation: blink 1.4s infinite; }

.phone-tabs { display: flex; gap: 6px; padding: 10px 12px 0; font-size: 11px; }

.phone-tabs span { padding: 3px 10px; border-radius: 999px; background: #e6dfd3; }

.phone-tabs span:first-child { background: #1c1915; color: #fff; }

.phone-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 10px 10px 16px; }

.phone-grid i { display: block; aspect-ratio: 1; border-radius: 6px; animation: rise 0.7s both; }

.phone-grid i:nth-child(1) { background: linear-gradient(135deg, #d9a07b, #8f4e33); }
.phone-grid i:nth-child(2) { background: linear-gradient(135deg, #8fb3c9, #3e6680); animation-delay: 0.15s; }
.phone-grid i:nth-child(3) { background: linear-gradient(135deg, #e7c88d, #b07b2c); animation-delay: 0.3s; }
.phone-grid i:nth-child(4) { background: linear-gradient(135deg, #b6c7a1, #5d7746); animation-delay: 0.45s; }
.phone-grid i:nth-child(5) { background: linear-gradient(135deg, #e3a7a0, #a2453b); animation-delay: 0.6s; }
.phone-grid i:nth-child(6) { background: linear-gradient(135deg, #c3b5d8, #66558a); animation-delay: 0.75s; }
.phone-grid i:nth-child(7) { background: linear-gradient(135deg, #a7d3cb, #3f7f74); animation-delay: 0.9s; }
.phone-grid i:nth-child(8) { background: linear-gradient(135deg, #e9d4b5, #a07a4a); animation-delay: 1.05s; }
.phone-grid i:nth-child(9) { background: linear-gradient(135deg, #d6b0c4, #8a4c6a); animation-delay: 1.2s; }

.phone-toast {
    position: absolute;
    right: -18px;
    bottom: 96px;
    padding: 10px 14px;
    border-radius: 14px;
    background: #fff;
    color: #1c1915;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    font-size: 13px;
    animation: rise 0.6s 1.6s both;
}

.phone-toast b { color: #9d3b2c; }

@keyframes rise { from { opacity: 0; transform: translateY(10px) scale(0.96); } to { opacity: 1; transform: none; } }

@keyframes blink { 50% { opacity: 0.25; } }

@media (prefers-reduced-motion: reduce) {
    .phone-grid i, .phone-toast, .phone-live::before { animation: none; }
}

/* 区块 */
.sec { padding: 80px 0; }

.sec-alt { background: #efe8dc; }

.sec-dark { background: #1c1915; color: #f6f1e8; }

.sec-head { max-width: 680px; margin: 0 auto 44px; text-align: center; }

.sec-head .eyebrow { margin-bottom: 10px; }

.sec-head h2 { margin: 0 0 12px; font-size: clamp(28px, 3.6vw, 40px); line-height: 1.2; letter-spacing: -0.02em; }

.sec-head p { margin: 0; color: var(--muted); font-size: 17px; }

.sec-dark .sec-head p { color: #b9ae9e; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }

.step { position: relative; padding: 28px 24px 24px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); }

.step::before {
    counter-increment: step;
    content: counter(step, decimal-leading-zero);
    display: block;
    margin-bottom: 14px;
    color: var(--accent);
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.step h3 { margin: 0 0 8px; font-size: 20px; }

.step p { margin: 0; color: var(--muted); }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.feature { padding: 24px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); }

.feature svg { width: 40px; height: 40px; padding: 8px; margin-bottom: 14px; border-radius: 12px; background: #f6e4dc; color: var(--accent); }

.feature h3 { margin: 0 0 6px; font-size: 18px; }

.feature p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }

.scenes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.scene {
    position: relative;
    min-height: 170px;
    padding: 22px;
    overflow: hidden;
    border-radius: 20px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    text-decoration: none;
}

.scene h3 { margin: 0 0 4px; font-size: 21px; }

.scene p { margin: 0; color: rgba(255, 255, 255, 0.82); font-size: 14px; }
.scene span { margin-top: 12px; color: rgba(255, 255, 255, 0.9); font-size: 13px; }

.scene-1 { background: linear-gradient(150deg, #b5533f, #5c241a); }
.scene-2 { background: linear-gradient(150deg, #3f6c87, #1d3444); }
.scene-3 { background: linear-gradient(150deg, #8a6a2e, #3f2f12); }
.scene-4 { background: linear-gradient(150deg, #5c7a46, #253420); }
.scene-5 { background: linear-gradient(150deg, #7a5a8a, #33243d); }
.scene-6 { background: linear-gradient(150deg, #3f7f74, #183a34); }

.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.pillar h3 { margin: 0 0 8px; font-size: 19px; }

.pillar p { margin: 0; color: #b9ae9e; font-size: 15px; line-height: 1.7; }

.pillar b { display: block; margin-bottom: 10px; color: #f08a6c; font-size: 14px; letter-spacing: 0.08em; }

/* 价格 */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; align-items: stretch; }

.plan {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 28px 24px;
    border-radius: 22px;
    background: var(--card);
    border: 1px solid var(--line);
}

.plan.is-featured { border: 2px solid var(--accent); box-shadow: 0 24px 60px rgba(157, 59, 44, 0.14); }

.plan h3 { margin: 0; font-size: 20px; }

.plan .price { font-size: 38px; }

.plan .price small { color: var(--muted); font-size: 15px; font-weight: 400; }

.plan ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; color: #4a443c; font-size: 15px; flex: 1; }

.plan li::before { content: "✓"; margin-right: 8px; color: var(--accent); font-weight: 700; }

.plan li.is-off { color: #a59b8d; }

.plan li.is-off::before { content: "–"; color: #c7bdae; }

.plan .button { width: 100%; }

.plan-badge { align-self: flex-start; padding: 3px 10px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 12px; }

.compare { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 18px; overflow: hidden; font-size: 15px; }

.compare th, .compare td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }

.compare thead th { background: #1c1915; color: #f6f1e8; font-weight: 500; }

.compare td:not(:first-child), .compare th:not(:first-child) { text-align: center; }

/* 案例 */
.cases { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }

.case {
    overflow: hidden;
    border-radius: 18px;
    background: var(--card);
    border: 1px solid var(--line);
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.case:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(48, 36, 22, 0.12); }

.case-cover { aspect-ratio: 16 / 10; background: #1c1915 center / cover no-repeat; display: grid; place-items: center; color: #f6f1e8; font-size: 40px; }

.case-copy { padding: 14px 16px 16px; }

.case-copy b { display: block; margin-bottom: 4px; font-size: 17px; }

.case-copy span { color: var(--muted); font-size: 14px; }

/* 问答 */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 10px; }

.faq details { padding: 18px 20px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); }

.faq summary { cursor: pointer; font-size: 17px; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after { content: "+"; color: var(--accent); font-size: 22px; line-height: 1; }

.faq details[open] summary::after { content: "–"; }

.faq details p { margin: 12px 0 0; color: var(--muted); line-height: 1.75; }

/* 行动号召 */
.cta-band {
    padding: 56px 40px;
    border-radius: 28px;
    background: linear-gradient(135deg, #9d3b2c, #5c241a);
    color: #fff;
    text-align: center;
}

.cta-band h2 { margin: 0 0 10px; font-size: clamp(26px, 3.4vw, 36px); }

.cta-band p { margin: 0 0 24px; color: rgba(255, 255, 255, 0.82); font-size: 17px; }

.cta-band .button { background: #fff; color: #5c241a; }

.cta-band .button-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.5); }

/* 内页 */
.page-hero { padding: 64px 0 44px; background: #16130f; color: #f6f1e8; text-align: center; }

.page-hero h1 { margin: 0 0 10px; font-size: clamp(30px, 4.4vw, 46px); letter-spacing: -0.02em; }

.page-hero p { margin: 0 auto; max-width: 640px; color: #cfc5b6; font-size: 17px; }

.page-body { padding: 56px 0 80px; }

.prose { max-width: 820px; margin: 0 auto; padding: 40px clamp(20px, 4vw, 48px); border-radius: 22px; background: var(--card); border: 1px solid var(--line); line-height: 1.85; }

.prose h2 { margin: 32px 0 10px; font-size: 21px; }

.prose h2:first-child { margin-top: 0; }

.prose p, .prose li { color: #3d372f; }

.prose ul { padding-left: 1.3em; }

.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 24px; align-items: start; }

.contact-card { padding: 28px; border-radius: 22px; background: #1c1915; color: #f6f1e8; }

.contact-card h2 { margin: 0 0 16px; font-size: 22px; }

.contact-card dl { display: grid; gap: 14px; margin: 0; }

.contact-card dt { color: #b9ae9e; font-size: 13px; }

.contact-card dd { margin: 2px 0 0; font-size: 17px; word-break: break-all; }

.form-card { padding: 28px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); }

.form-card h2 { margin: 0 0 6px; font-size: 22px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-grid .wide { grid-column: 1 / -1; }

.apps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

.app-card { display: flex; flex-direction: column; gap: 10px; padding: 26px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); }

.app-card h3 { margin: 0; font-size: 19px; }

.app-card p { margin: 0; color: var(--muted); flex: 1; }

/* 页脚 */
.site-foot { padding: 56px 0 28px; background: #16130f; color: #b9ae9e; font-size: 14px; }

.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }

.foot-grid h3 { margin: 0 0 12px; color: #f6f1e8; font-size: 15px; }

.foot-grid a { display: block; margin-bottom: 8px; color: #b9ae9e; text-decoration: none; }

.foot-grid a:hover { color: #fff; }

.foot-grid p { margin: 12px 0 0; line-height: 1.7; }

.foot-grid .site-logo { color: #f6f1e8; }

.foot-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 20px;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #2c2721;
    font-size: 13px;
}

.foot-legal a { color: inherit; text-decoration: none; }

@media (max-width: 960px) {
    .splash-grid, .contact-grid { grid-template-columns: 1fr; }
    .splash { padding: 48px 0 64px; }
    .phone-toast { right: 0; }
    .features, .scenes, .apps { grid-template-columns: repeat(2, 1fr); }
    .pillars { grid-template-columns: repeat(2, 1fr); }
    .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    .site-bar { flex-wrap: wrap; gap: 10px 16px; padding: 10px 0; }
    .site-nav { order: 3; flex-basis: 100%; overflow-x: auto; gap: 18px; padding-bottom: 4px; }
    .site-actions { margin-left: auto; }
    .sec { padding: 56px 0; }
    .steps, .features, .scenes, .apps, .pillars, .form-grid { grid-template-columns: 1fr; }
    .cta-band { padding: 40px 22px; }
    .foot-grid { grid-template-columns: 1fr; }
}

.hero-photo {
    position: relative;
    min-height: 520px;
    overflow: hidden;
    border-radius: 28px;
    background:
        linear-gradient(180deg, transparent 35%, rgba(0,0,0,.78)),
        radial-gradient(circle at 70% 22%, #d7b18a, transparent 30%),
        linear-gradient(135deg, #7e5b44, #261e1a);
    background-position: center;
    background-size: cover;
    box-shadow: 0 36px 90px rgba(0,0,0,.42);
}

.hero-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 42%, rgba(0,0,0,.72));
}

.hero-photo > .demo-badge { position: absolute; z-index: 2; top: 18px; left: 18px; }
.hero-photo-copy { position: absolute; z-index: 2; left: 24px; right: 24px; bottom: 112px; display: grid; gap: 5px; color: #fff; }
.hero-photo-copy b { font-size: 24px; }
.hero-photo-copy span { color: rgba(255,255,255,.72); font-size: 14px; }
.hero-photo-strip { position: absolute; z-index: 2; left: 20px; right: 20px; bottom: 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.hero-photo-strip i { height: 70px; border-radius: 10px; background: linear-gradient(135deg, rgba(255,255,255,.32), rgba(255,255,255,.08)); backdrop-filter: blur(8px); }
.hero-photo-strip i:nth-child(2) { background: linear-gradient(135deg, rgba(221,155,104,.65), rgba(80,45,28,.28)); }
.hero-photo-strip i:nth-child(3) { background: linear-gradient(135deg, rgba(122,163,174,.62), rgba(27,59,68,.25)); }

@media (max-width: 960px) {
    .hero-photo { min-height: 440px; }
}