@charset "utf-8";

:root {
    --primary: #6ebdff;
    --secondary: #fa18c2;
    --gradient: linear-gradient(135deg, #6ebdff 0%, #fa18c2 100%);
    --so-max: 1180px;
    --surface: rgba(18, 20, 27, 0.78);
    --surface-strong: rgba(22, 24, 32, 0.94);
    --line: rgba(255, 255, 255, 0.09);
    --soft: #b7bac7;
    --bright: #f7f8ff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
}

body.so-page {
    background:
        linear-gradient(180deg, rgba(110, 189, 255, 0.09), transparent 420px),
        linear-gradient(135deg, rgba(250, 24, 194, 0.10), transparent 360px),
        #080a10;
    color: var(--bright);
    font-family: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

body.so-page a {
    text-decoration: none;
}

.so-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(8, 10, 16, 0.86);
    backdrop-filter: blur(18px);
}

.so-header-inner {
    width: min(var(--so-max), calc(100% - 40px));
    height: 72px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 26px;
}

.so-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: var(--bright);
    font-size: 21px;
    font-weight: 900;
}

.so-brand img {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    object-fit: cover;
}

.so-nav {
    justify-self: center;
    display: flex;
    align-items: center;
    gap: 28px;
}

.so-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 72px;
    color: var(--soft);
    font-size: 13px;
    font-weight: 800;
    transition: color 0.2s ease;
}

.so-nav a:hover {
    color: var(--bright);
}

.so-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 17px;
    height: 2px;
    border-radius: 999px;
    background: var(--gradient);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.so-nav a:hover::after {
    opacity: 1;
    transform: translateY(0);
}

.so-header-cta,
.so-btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 14px 34px rgba(250, 24, 194, 0.18);
}

.so-header-cta {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    border-radius: 8px;
    color: #fff;
    font-size: 13px;
    font-weight: 900;
}

.so-hero {
    position: relative;
    min-height: calc(100vh - 128px);
    min-height: calc(100svh - 128px);
    display: flex;
    align-items: center;
    box-sizing: border-box;
    padding: 88px 24px 72px;
    overflow: hidden;
}

.so-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
}

.so-hero-inner {
    position: relative;
    z-index: 1;
    width: min(var(--so-max), 100%);
    margin: 0 auto;
    display: grid;
    align-items: center;
    gap: 56px;
}

.so-hero-centered {
    grid-template-columns: 1fr;
    place-items: center;
    text-align: center;
}

.so-hero-centered .so-hero-copy {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.so-pill {
    width: fit-content;
    margin-bottom: 22px;
    padding: 8px 13px;
    border: 1px solid rgba(110, 189, 255, 0.24);
    border-radius: 8px;
    background: rgba(110, 189, 255, 0.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 900;
}

.so-hero h1 {
    max-width: 660px;
    margin: 0 0 20px;
    color: var(--bright);
    font-size: clamp(48px, 6vw, 82px);
    font-weight: 900;
    line-height: 1.04;
    letter-spacing: 0;
}

.so-hero h1::first-letter {
    color: var(--primary);
}

.so-hero p {
    max-width: 650px;
    color: var(--soft);
    font-size: 17px;
    line-height: 1.85;
}

.so-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}

.so-tags span {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0 13px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.045);
    color: #d9dcec;
    font-size: 13px;
    font-weight: 800;
}

.so-tags i {
    color: var(--primary);
}

.so-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 28px;
}

.so-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px 60px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 900;
}

.so-btn-ghost {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--bright);
}

.so-section {
    padding: 86px 24px;
}

.so-section-head {
    width: min(var(--so-max), 100%);
    margin: 0 auto 40px;
    text-align: center;
}

.so-section-head span {
    color: var(--primary);
    font-size: 13px;
    font-weight: 900;
}

.so-section-head h2 {
    margin: 12px 0;
    color: var(--bright);
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.18;
}

.so-section-head p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--soft);
    line-height: 1.8;
}

.so-center {
    text-align: center;
}

.so-features,
.so-scenarios,
.so-faq,
.so-reviews {
    background: rgba(255, 255, 255, 0.025);
}

.so-showcase {
    padding-top: 34px;
}

.so-showcase-grid {
    width: min(var(--so-max), 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: start;
    gap: 14px;
}

.so-showcase-grid figure {
    position: relative;
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 22px;
    background:
        linear-gradient(135deg, rgba(110, 189, 255, 0.16), rgba(250, 24, 194, 0.10)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
        var(--surface);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.28);
    aspect-ratio: 383 / 681;
    padding: 6px;
}

.so-showcase-grid figure::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 12%),
        linear-gradient(180deg, transparent 72%, rgba(0, 0, 0, 0.22));
    pointer-events: none;
}

.so-showcase-main {
    box-shadow: 0 32px 84px rgba(250, 24, 194, 0.16), 0 24px 64px rgba(0, 0, 0, 0.3);
}

.so-showcase-grid img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: top center;
    border-radius: 16px;
    transition: transform 0.35s ease;
}

.so-showcase-grid figure:hover img {
    transform: scale(1.035);
}

.so-feature-grid,
.so-scenario-grid,
.so-review-grid {
    width: min(var(--so-max), 100%);
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

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

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

.so-feature-grid article,
.so-scenario-grid article,
.so-review-card,
.so-faq-item {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
}

.so-feature-grid article,
.so-scenario-grid article,
.so-review-card {
    padding: 24px;
}

.so-feature-grid article {
    min-height: 220px;
}

.so-feature-grid i {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    border-radius: 8px;
    background: rgba(110, 189, 255, 0.10);
    color: var(--primary);
    font-size: 22px;
}

.so-feature-grid h3,
.so-scenario-grid h3 {
    margin-bottom: 10px;
    color: var(--bright);
    font-size: 19px;
}

.so-feature-grid p,
.so-scenario-grid p,
.so-review-card p {
    color: var(--soft);
    line-height: 1.75;
}

.so-review-card {
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.so-review-card div {
    padding-top: 18px;
}

.so-review-card strong,
.so-review-card span {
    display: block;
}

.so-review-card span {
    color: #8f94a3;
    font-size: 12px;
}

.so-faq-list {
    width: min(860px, 100%);
    margin: 0 auto;
    display: grid;
    gap: 12px;
}

.so-faq-item {
    overflow: hidden;
}

.so-faq-question {
    min-height: 66px;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    cursor: pointer;
}

.so-faq-question h3 {
    color: var(--bright);
    font-size: 17px;
    line-height: 1.45;
}

.so-faq-icon {
    width: 30px;
    height: 30px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--primary);
}

.so-faq-answer {
    display: none;
}

.so-open .so-faq-answer {
    display: block;
}

.so-open .so-faq-icon i {
    transform: rotate(45deg);
}

.so-faq-answer p {
    padding: 0 22px 20px;
    color: var(--soft);
    line-height: 1.75;
}

.so-cta {
    width: min(var(--so-max), calc(100% - 48px));
    margin: 42px auto 86px;
    padding: 54px 24px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(110, 189, 255, 0.18), transparent 42%),
        linear-gradient(315deg, rgba(250, 24, 194, 0.18), transparent 44%),
        var(--surface-strong);
    text-align: center;
}

.so-cta h2 {
    margin: 0 0 12px;
    font-size: clamp(30px, 4vw, 44px);
}

.so-cta p {
    margin-bottom: 24px;
    color: var(--soft);
}

.so-footer {
    padding: 58px 24px 30px;
    border-top: 1px solid var(--line);
    background: #07090f;
}

.so-footer-inner {
    width: min(var(--so-max), 100%);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 0.6fr 0.6fr;
    gap: 38px;
}

.so-footer h3,
.so-footer h4 {
    margin-bottom: 14px;
}

.so-footer p,
.so-footer a,
.so-copyright {
    color: var(--soft);
    line-height: 1.8;
}

.so-footer a {
    display: block;
}

.so-copyright {
    width: min(var(--so-max), 100%);
    margin: 34px auto 0;
    font-size: 13px;
}

.so-report {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 60;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface-strong);
    color: var(--bright);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.32);
    font-size: 13px;
    font-weight: 900;
}

.so-report i {
    color: var(--primary);
}

@media (max-width: 980px) {
    .so-header-inner {
        grid-template-columns: auto auto;
    }

    .so-nav {
        display: none;
    }

    .so-feature-grid,
    .so-review-grid,
    .so-scenario-grid,
    .so-footer-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .so-header-inner {
        width: calc(100% - 28px);
        height: 64px;
    }

    .so-brand span {
        font-size: 20px;
    }

    .so-header-cta {
        padding: 0 14px;
    }

    .so-hero {
        min-height: calc(100svh - 112px);
        padding: 56px 14px 48px;
    }

    .so-hero h1 {
        font-size: 40px;
    }

    .so-hero p {
        font-size: 16px;
    }

    .so-tags {
        width: 100%;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .so-tags span {
        flex: 0 0 auto;
    }

    .so-actions {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
    }

    .so-btn {
        width: 100%;
    }

    .so-section {
        padding: 60px 14px;
    }

    .so-feature-grid,
    .so-review-grid,
    .so-scenario-grid {
        grid-template-columns: 1fr;
    }

    .so-footer-inner {
        display: none;
    }

    .so-showcase-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .so-showcase-grid figure:nth-child(n + 5) {
        display: none;
    }

    .so-showcase-grid img {
        height: 100%;
        object-fit: cover;
    }

    .so-cta {
        width: calc(100% - 28px);
        margin-bottom: 60px;
        padding: 40px 18px;
    }

    .so-report span {
        display: none;
    }
}