:root {
    --cream: #fff7e9;
    --cream-deep: #f7ead5;
    --navy: #10223f;
    --navy-soft: #1f365d;
    --orange: #ff8b3d;
    --orange-soft: #ffd3a8;
    --purple: #c9b7ff;
    --purple-deep: #7d6be8;
    --text: #263249;
    --muted: #6c7890;
    --card: #ffffff;
    --line: rgba(16, 34, 63, .12);
    --shadow: 0 22px 60px rgba(16, 34, 63, .12);
    --radius: 28px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 5%, rgba(255, 139, 61, .13), transparent 28%),
        radial-gradient(circle at 88% 8%, rgba(201, 183, 255, .28), transparent 30%),
        linear-gradient(180deg, var(--cream), #ffffff 48%, #fff9ef 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 247, 233, .88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(16, 34, 63, .08);
}

.nav-wrap {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    color: var(--navy);
    letter-spacing: .04em;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(135deg, var(--navy), var(--purple-deep));
    box-shadow: 0 10px 24px rgba(16, 34, 63, .2);
}

.brand-text {
    font-size: 20px;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.site-nav a {
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--navy-soft);
    font-weight: 700;
    font-size: 15px;
}

.site-nav a:hover,
.site-nav a.is-active {
    background: var(--navy);
    color: #fff;
}

.nav-toggle {
    display: none;
    border: 0;
    background: var(--navy);
    border-radius: 14px;
    padding: 10px;
    width: 46px;
    height: 42px;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: #fff;
    margin: 5px 0;
    border-radius: 2px;
}

.hero {
    padding: 76px 0 42px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.04fr .96fr;
    gap: 46px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--navy);
    background: rgba(255, 139, 61, .16);
    border: 1px solid rgba(255, 139, 61, .24);
    font-weight: 800;
    font-size: 14px;
}

.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 99px;
    background: var(--orange);
    box-shadow: 0 0 0 6px rgba(255, 139, 61, .18);
}

h1,
h2,
h3 {
    color: var(--navy);
    line-height: 1.18;
    margin: 0;
}

h1 {
    font-size: clamp(36px, 5vw, 64px);
    margin: 18px 0 18px;
    letter-spacing: -.04em;
}

.lead {
    font-size: 18px;
    color: var(--muted);
    max-width: 680px;
}

.hero-actions,
.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 12px 20px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 900;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--orange), #ff6f39);
    box-shadow: 0 14px 26px rgba(255, 139, 61, .28);
}

.btn-secondary {
    color: var(--navy);
    background: rgba(255, 255, 255, .76);
    border-color: var(--line);
}

.btn-dark {
    color: #fff;
    background: var(--navy);
}

.hero-card {
    position: relative;
    padding: 22px;
    border-radius: 36px;
    background: rgba(255, 255, 255, .66);
    border: 1px solid rgba(255, 255, 255, .76);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.hero-card::after {
    content: "";
    position: absolute;
    inset: auto -90px -90px auto;
    width: 210px;
    height: 210px;
    border-radius: 50%;
    background: rgba(201, 183, 255, .46);
    z-index: 0;
}

.hero-card > * {
    position: relative;
    z-index: 1;
}

.metric-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 20px;
}

.metric {
    padding: 16px;
    border-radius: 22px;
    background: rgba(255, 255, 255, .8);
    border: 1px solid var(--line);
}

.metric strong {
    display: block;
    color: var(--navy);
    font-size: 24px;
}

.metric span {
    color: var(--muted);
    font-size: 13px;
}

.section {
    padding: 54px 0;
}

.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.section-head h2 {
    font-size: clamp(28px, 4vw, 44px);
}

.section-head p {
    color: var(--muted);
    margin: 10px 0 0;
    max-width: 690px;
}

.grid {
    display: grid;
    gap: 22px;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
    background: rgba(255, 255, 255, .82);
    border: 1px solid rgba(16, 34, 63, .10);
    border-radius: var(--radius);
    box-shadow: 0 16px 42px rgba(16, 34, 63, .08);
    overflow: hidden;
}

.card-body {
    padding: 22px;
}

.card h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.card p {
    color: var(--muted);
    margin: 0 0 14px;
}

.cover {
    aspect-ratio: 16 / 10;
    background: var(--cream-deep);
    overflow: hidden;
}

.cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0;
}

.tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 5px 10px;
    background: rgba(201, 183, 255, .24);
    color: var(--navy-soft);
    font-weight: 800;
    font-size: 13px;
}

.tag.orange {
    background: rgba(255, 139, 61, .17);
}

.interactions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted);
    font-size: 14px;
}

.pill-action {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .75);
    color: var(--navy);
    border-radius: 999px;
    padding: 7px 12px;
    font-weight: 800;
}

.topic-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.topic-icon {
    flex: 0 0 54px;
    width: 54px;
    height: 54px;
    border-radius: 20px;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 24px;
    background: linear-gradient(135deg, var(--navy), var(--purple-deep));
}

.notice {
    padding: 18px 20px;
    border-radius: 24px;
    background: rgba(255, 139, 61, .12);
    border: 1px solid rgba(255, 139, 61, .25);
    color: var(--navy);
}

.rating-row {
    display: grid;
    grid-template-columns: 130px 1fr 54px;
    gap: 14px;
    align-items: center;
    margin: 14px 0;
}

.bar {
    height: 12px;
    background: rgba(16, 34, 63, .09);
    border-radius: 99px;
    overflow: hidden;
}

.bar span {
    display: block;
    height: 100%;
    border-radius: 99px;
    background: linear-gradient(90deg, var(--orange), var(--purple-deep));
}

.avatar-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.avatar-row img {
    width: 48px;
    height: 48px;
    border-radius: 18px;
    background: var(--cream-deep);
}

.quote {
    position: relative;
    padding: 20px;
    border-radius: 24px;
    background: #fff;
    border: 1px solid var(--line);
}

.quote::before {
    content: "“";
    position: absolute;
    right: 18px;
    top: 0;
    font-size: 56px;
    color: rgba(255, 139, 61, .3);
    line-height: 1;
}

.feed-item {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 14px;
    padding: 18px;
    border-bottom: 1px solid var(--line);
}

.feed-item:last-child {
    border-bottom: 0;
}

.feed-item img {
    width: 56px;
    height: 56px;
    border-radius: 20px;
}

.small-note {
    color: var(--muted);
    font-size: 14px;
}

.page-hero {
    padding: 58px 0 34px;
}

.page-hero .lead {
    max-width: 800px;
}

.split {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 34px;
    align-items: center;
}

.panel {
    padding: 28px;
    border-radius: 32px;
    background: rgba(255, 255, 255, .78);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.timeline {
    display: grid;
    gap: 16px;
}

.step {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 14px;
}

.step-number {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 16px;
    color: #fff;
    background: var(--navy);
    font-weight: 900;
}

.filter-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 22px;
}

.filter-tabs button {
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, .7);
    padding: 9px 14px;
    color: var(--navy);
    font-weight: 900;
    cursor: pointer;
}

.filter-tabs button.is-active {
    color: #fff;
    background: var(--navy);
}

.faq {
    display: grid;
    gap: 14px;
}

.faq details {
    background: rgba(255, 255, 255, .84);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 18px 20px;
}

.faq summary {
    cursor: pointer;
    color: var(--navy);
    font-weight: 900;
}

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

.cta {
    text-align: center;
    padding: 44px 28px;
    border-radius: 36px;
    background:
        radial-gradient(circle at 15% 20%, rgba(255, 139, 61, .24), transparent 30%),
        linear-gradient(135deg, var(--navy), #203e6d);
    color: #fff;
    overflow: hidden;
}

.cta h2,
.cta p {
    color: #fff;
}

.cta p {
    opacity: .82;
    max-width: 720px;
    margin: 14px auto 0;
}

.form-card form {
    display: grid;
    gap: 14px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--navy);
    font-weight: 900;
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, .88);
    color: var(--text);
    font: inherit;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.site-footer {
    margin-top: 40px;
    background: var(--navy);
    color: rgba(255, 255, 255, .78);
    padding: 46px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr .7fr 1fr;
    gap: 28px;
}

.site-footer h2 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 14px;
}

.site-footer a {
    display: block;
    margin: 8px 0;
    color: rgba(255, 255, 255, .84);
}

.footer-brand {
    color: #fff;
    margin-bottom: 14px;
}

.domain-line {
    font-weight: 800;
    color: #fff;
}

@media (max-width: 980px) {
    .hero-grid,
    .split,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .grid-4,
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .site-nav {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 68px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 24px;
        box-shadow: var(--shadow);
    }

    .site-nav.is-open {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(100% - 22px, 1180px);
    }

    .hero,
    .section {
        padding: 36px 0;
    }

    .grid-4,
    .grid-3,
    .grid-2,
    .metric-strip {
        grid-template-columns: 1fr;
    }

    .section-head {
        display: block;
    }

    .rating-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .feed-item {
        grid-template-columns: 44px 1fr;
    }

    .feed-item img {
        width: 44px;
        height: 44px;
        border-radius: 16px;
    }
}

.w-72 { width: 72%; }
.w-76 { width: 76%; }
.w-78 { width: 78%; }
.w-82 { width: 82%; }
.w-84 { width: 84%; }
.w-86 { width: 86%; }
.w-88 { width: 88%; }
.w-90 { width: 90%; }
.center-actions { justify-content: center; }