*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --cloud-light: #e8e0f0;
    --cloud-mid: #b8a9d4;
    --cloud-deep: #7b5ea7;
    --sky-top: #1a1a2e;
    --sky-mid: #16213e;
    --sky-low: #0f3460;
    --accent-gold: #e2c06e;
    --accent-red: #ff5a6f;
    --surface: #1a1a2e;
    --surface2: #222240;
    --text: #e8e0f0;
    --muted: #9a8bab;
    --radius: 16px;
    --line: rgba(232,224,240,.08);
}

html { scroll-behavior: smooth; }

body {
    background:
        radial-gradient(ellipse 70% 55% at 50% -10%, rgba(184,169,212,.18) 0%, transparent 65%),
        radial-gradient(ellipse 45% 45% at 12% 25%, rgba(226,192,110,.08) 0%, transparent 55%),
        linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 42%, var(--sky-low) 100%);
    background-attachment: fixed;
    color: var(--text);
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

a { color: inherit; }

nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 5vw;
    height: 66px;
    background: rgba(26,26,46,.86);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(232,224,240,.07);
}

.logo {
    font-size: 1.35rem; font-weight: 900;
    background: linear-gradient(135deg, #fff, var(--cloud-mid), var(--accent-gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: 1.8px;
    text-decoration: none;
    white-space: nowrap;
}

.nav-links { display: flex; gap: 1.75rem; }
.nav-links a {
    color: var(--muted); text-decoration: none; font-size: .92rem;
    transition: color .2s, transform .2s;
}
.nav-links a:hover { color: var(--cloud-light); transform: translateY(-1px); }

.nav-cta {
    background: linear-gradient(135deg, var(--cloud-deep), #5a3f8a);
    color: #fff; border: 1px solid rgba(232,224,240,.16);
    padding: .52rem 1.35rem; border-radius: 10px; font-size: .9rem; font-weight: 700;
    cursor: pointer; text-decoration: none;
    transition: transform .2s, box-shadow .2s, border-color .2s;
}
.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 22px rgba(123,94,167,.44);
    border-color: rgba(232,224,240,.32);
}

.hero {
    min-height: 100vh;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
    padding: 112px 5vw 70px;
    position: relative; overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background:
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 72% 60% at 50% 34%, black 0%, transparent 75%);
    pointer-events: none;
}
.hero-glow {
    position: absolute;
    width: 720px; height: 720px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123,94,167,.24), rgba(226,192,110,.09), transparent 68%);
    top: 12%; left: 50%; transform: translateX(-50%);
    filter: blur(2px);
    pointer-events: none;
}

.badge, .eyebrow {
    display: inline-block;
    background: rgba(184,169,212,.08);
    border: 1px solid rgba(184,169,212,.25);
    color: var(--cloud-mid);
    font-size: .78rem; letter-spacing: 1px;
    padding: .32rem 1rem; border-radius: 999px;
    margin-bottom: 1.6rem;
    backdrop-filter: blur(4px);
}
.eyebrow { margin-bottom: .8rem; color: var(--accent-gold); border-color: rgba(226,192,110,.25); background: rgba(226,192,110,.08); }

.hero h1 {
    position: relative;
    font-size: clamp(2.8rem, 7vw, 5.6rem);
    font-weight: 950; line-height: 1.05;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #fff 10%, var(--cloud-mid) 52%, var(--accent-gold) 98%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 1.35rem;
}
.hero h1 span { font-size: .62em; letter-spacing: .02em; }
.hero p {
    position: relative;
    max-width: 720px;
    font-size: 1.06rem; color: var(--muted);
    margin-bottom: 2.25rem;
    line-height: 1.85;
}
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; position: relative; }

.btn-primary, .btn-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 45px;
    text-decoration: none;
    padding: .72rem 2rem; border-radius: 12px;
    font-size: 1rem; font-weight: 750;
    transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
}
.btn-primary {
    background: linear-gradient(135deg, var(--cloud-deep), #5a3f8a);
    color: #fff;
    border: 1px solid rgba(232,224,240,.2);
    box-shadow: 0 4px 22px rgba(123,94,167,.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(123,94,167,.55);
    border-color: rgba(232,224,240,.42);
}
.btn-primary.small { min-height: 40px; font-size: .92rem; padding: .62rem 1.2rem; }
.btn-secondary {
    background: rgba(232,224,240,.03);
    color: var(--cloud-light);
    border: 1px solid rgba(232,224,240,.14);
}
.btn-secondary:hover {
    border-color: rgba(232,224,240,.35);
    background: rgba(232,224,240,.06);
}

.stats {
    position: relative;
    display: flex; flex-wrap: wrap; gap: 1px;
    background: rgba(232,224,240,.05);
    border: 1px solid rgba(232,224,240,.07);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 4.2rem auto 0;
    max-width: 980px; width: 100%;
}
.stat {
    flex: 1 1 180px;
    background: rgba(26,26,46,.72);
    backdrop-filter: blur(8px);
    padding: 1.4rem 1.5rem;
    text-align: center;
}
.stat-num {
    font-size: 1.85rem; font-weight: 900;
    background: linear-gradient(135deg, var(--cloud-mid), var(--accent-gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: .82rem; color: var(--muted); margin-top: .3rem; }

.section { padding: 6rem 5vw; }
.section-header { text-align: center; margin-bottom: 3.1rem; }
.section-header h2 {
    font-size: clamp(1.65rem, 3vw, 2.35rem);
    font-weight: 850; margin-bottom: .65rem;
    color: var(--cloud-light);
}
.section-header p { color: var(--muted); max-width: 640px; margin: 0 auto; }

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 1.35rem;
    max-width: 1120px; margin: 0 auto;
}
.feature-card, .plan-card, .mini-plan, .member-card, .step, details, .cta-card {
    background: rgba(26,26,46,.62);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(232,224,240,.075);
    border-radius: var(--radius);
    box-shadow: 0 1px 0 rgba(255,255,255,.04) inset;
}
.feature-card {
    padding: 1.85rem;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.feature-card:hover, .mini-plan:hover, .step:hover, details:hover {
    transform: translateY(-4px);
    border-color: rgba(184,169,212,.3);
    box-shadow: 0 10px 36px rgba(123,94,167,.13);
}
.feature-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, rgba(184,169,212,.16), rgba(226,192,110,.1));
    border: 1px solid rgba(232,224,240,.08);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.15rem;
}
.feature-card h3 { font-size: 1.08rem; font-weight: 800; margin-bottom: .5rem; color: var(--cloud-light); }
.feature-card p { font-size: .92rem; color: var(--muted); line-height: 1.72; }

.regions {
    background: rgba(26,26,46,.52);
    backdrop-filter: blur(8px);
    border-top: 1px solid rgba(232,224,240,.06);
    border-bottom: 1px solid rgba(232,224,240,.06);
    padding: 3.6rem 5vw;
    text-align: center;
}
.regions h3 {
    font-size: 1rem; color: var(--muted);
    text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 2rem;
}
.region-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: .8rem; max-width: 1000px; margin: 0 auto; }
.region-tag {
    background: rgba(34,34,64,.66);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(232,224,240,.08);
    border-radius: 999px;
    padding: .48rem 1.12rem; font-size: .88rem; color: var(--text);
    display: inline-flex; align-items: center; gap: .55rem;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; flex-shrink: 0; box-shadow: 0 0 10px rgba(34,197,94,.35); }
.dot.hot { background: var(--accent-gold); box-shadow: 0 0 12px rgba(226,192,110,.55); }
.region-note { margin: 1.45rem auto 0; max-width: 780px; font-size: .86rem; color: var(--muted); }

.pricing-section { position: relative; overflow: hidden; }
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.4rem;
    max-width: 1120px; margin: 0 auto;
}
.main-pricing { align-items: stretch; }
.secondary-pricing { margin-top: 1.4rem; }
.plan-card {
    padding: 2.15rem 1.85rem;
    display: flex; flex-direction: column;
    position: relative; overflow: hidden;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.plan-card:hover { transform: translateY(-5px); box-shadow: 0 12px 42px rgba(123,94,167,.16); }
.plan-card.featured {
    border-color: rgba(226,192,110,.75);
    box-shadow: 0 0 0 1px rgba(226,192,110,.4), 0 8px 34px rgba(226,192,110,.14);
}
.plan-card.featured::before {
    content: '热门';
    position: absolute; top: 15px; right: -25px;
    background: linear-gradient(135deg, var(--accent-gold), #c8943e);
    color: #1a1a2e; font-size: .72rem; font-weight: 900;
    padding: .25rem 2.2rem;
    transform: rotate(45deg);
    letter-spacing: .5px;
}
.plan-card.premium {
    border-color: rgba(184,169,212,.24);
    background: linear-gradient(180deg, rgba(34,34,64,.74), rgba(26,26,46,.64));
}
.plan-name {
    font-size: .84rem; text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--muted); margin-bottom: .95rem;
}
.plan-price { display: flex; align-items: flex-end; gap: .2rem; margin-bottom: 1.4rem; }
.plan-price .amount {
    font-size: 3rem; font-weight: 950; line-height: 1;
    background: linear-gradient(135deg, var(--cloud-light), var(--accent-gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.plan-price .currency, .plan-price .cycle {
    font-size: 1rem; font-weight: 650; color: var(--muted);
    padding-bottom: .42rem;
}
.plan-features { list-style: none; flex: 1; display: flex; flex-direction: column; gap: .72rem; margin: .25rem 0 2rem; }
.plan-features li { display: flex; align-items: flex-start; gap: .58rem; font-size: .9rem; color: var(--muted); }
.plan-features strong { color: var(--cloud-light); }
.check { color: #22c55e; font-size: .95rem; flex-shrink: 0; margin-top: .05rem; font-weight: 900; }
.check.star { color: var(--accent-gold); }
.check.warn { color: var(--accent-red); }
.plan-btn {
    display: block; text-align: center; text-decoration: none;
    padding: .75rem 1.5rem; border-radius: 11px;
    font-size: .95rem; font-weight: 750;
    transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
}
.plan-btn.outline { border: 1px solid rgba(232,224,240,.18); color: var(--cloud-light); }
.plan-btn.outline:hover { border-color: rgba(232,224,240,.4); background: rgba(232,224,240,.05); }
.plan-btn.solid {
    background: linear-gradient(135deg, var(--cloud-deep), #5a3f8a);
    color: #fff; border: 1px solid rgba(232,224,240,.2);
    box-shadow: 0 4px 16px rgba(123,94,167,.3);
}
.plan-btn.solid:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(123,94,167,.45); }
.plan-btn.gold { background: linear-gradient(135deg, var(--accent-gold), #c8943e); color: #19172b; }

.mini-plan { padding: 1.45rem; transition: transform .25s, border-color .25s, box-shadow .25s; }
.mini-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.mini-top strong { color: var(--cloud-light); font-size: 1.05rem; }
.mini-tag {
    display: inline-flex; align-items: center;
    border: 1px solid rgba(226,192,110,.24);
    background: rgba(226,192,110,.08);
    color: var(--accent-gold);
    border-radius: 999px;
    padding: .2rem .62rem;
    font-size: .76rem;
    white-space: nowrap;
}
.mini-price {
    font-size: 2rem; line-height: 1; font-weight: 950;
    margin-bottom: .9rem;
    background: linear-gradient(135deg, var(--cloud-light), var(--accent-gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.mini-plan p { color: var(--muted); font-size: .92rem; line-height: 1.72; }

.member-section { background: rgba(26,26,46,.28); border-top: 1px solid rgba(232,224,240,.045); border-bottom: 1px solid rgba(232,224,240,.045); }
.member-wrap { display: grid; grid-template-columns: .8fr 1.5fr; gap: 1.4rem; max-width: 1050px; margin: 0 auto; align-items: stretch; }
.member-card { padding: 1.8rem; display: flex; flex-direction: column; justify-content: center; gap: 1rem; }
.member-title { font-size: 1.7rem; font-weight: 900; color: var(--cloud-light); }
.member-card p { color: var(--muted); }
.member-table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid rgba(232,224,240,.075); background: rgba(26,26,46,.55); }
.member-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.member-table th, .member-table td { padding: 1rem 1.05rem; text-align: left; border-bottom: 1px solid rgba(232,224,240,.06); }
.member-table th { color: var(--muted); font-weight: 700; background: rgba(34,34,64,.5); }
.member-table td { color: var(--muted); }
.member-table td strong { color: var(--accent-gold); font-size: 1.05rem; }
.member-table tr:last-child td { border-bottom: none; }
.member-note { max-width: 1050px; margin: 1.1rem auto 0; color: var(--muted); font-size: .86rem; }

.process-grid { max-width: 1050px; margin: 0 auto; display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.step { padding: 1.35rem; transition: transform .25s, border-color .25s, box-shadow .25s; min-height: 170px; }
.step span { display: block; font-size: 1.55rem; font-weight: 950; color: rgba(226,192,110,.55); margin-bottom: .65rem; }
.step h3 { color: var(--cloud-light); font-size: 1rem; margin-bottom: .4rem; }
.step p { color: var(--muted); font-size: .86rem; line-height: 1.62; }

.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: .9rem; }
details { padding: 1.15rem 1.25rem; transition: transform .25s, border-color .25s, box-shadow .25s; }
summary { cursor: pointer; color: var(--cloud-light); font-weight: 800; list-style: none; position: relative; padding-right: 2rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: .2rem; top: 0; color: var(--accent-gold); font-size: 1.2rem; }
details[open] summary::after { content: '–'; }
details p { margin-top: .7rem; color: var(--muted); font-size: .92rem; line-height: 1.75; }

.cta-section {
    padding: 6rem 5vw;
    text-align: center;
    position: relative; overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(184,169,212,.08) 0%, transparent 70%);
    pointer-events: none;
}
.cta-card { max-width: 900px; margin: 0 auto; padding: 3rem 2rem; position: relative; }
.cta-card h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); color: var(--cloud-light); margin-bottom: .7rem; }
.cta-card p { max-width: 620px; margin: 0 auto 1.8rem; color: var(--muted); }
.contact-grid { margin: 2rem auto 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; max-width: 720px; border: 1px solid rgba(232,224,240,.06); border-radius: 14px; overflow: hidden; background: rgba(232,224,240,.05); }
.contact-grid div { background: rgba(26,26,46,.62); padding: 1rem; }
.contact-grid strong { display: block; color: var(--accent-gold); margin-bottom: .25rem; }
.contact-grid span { color: var(--muted); font-size: .9rem; }

footer {
    border-top: 1px solid rgba(232,224,240,.06);
    padding: 2rem 5vw;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 1rem;
    font-size: .82rem; color: var(--muted);
}

@media (max-width: 980px) {
    .member-wrap { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 680px) {
    nav { height: 62px; }
    .nav-links { display: none; }
    .hero { min-height: auto; padding-top: 112px; }
    .hero h1 { font-size: clamp(2.45rem, 13vw, 4rem); }
    .hero p { font-size: .96rem; }
    .stats { border-radius: 12px; margin-top: 3rem; }
    .section { padding: 4.5rem 5vw; }
    .process-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    footer { flex-direction: column; text-align: center; }
}

@media (max-width: 460px) {
    .process-grid { grid-template-columns: 1fr; }
    .btn-primary, .btn-secondary { width: 100%; }
    .hero-btns { width: 100%; }
    .plan-card, .feature-card, .mini-plan { padding: 1.35rem; }
}