/* videoparse · 首页
   品牌色与用户中心保持一致：#30419b / #59c6fb / #02c58d */

:root {
    --navy-900: #1b2559;
    --navy-800: #243174;
    --blue: #30419b;
    --blue-light: #59c6fb;
    --green: #02c58d;
    --ink: #354558;
    --muted: #6d7c92;
    --faint: #8b98ad;
    --bg: #f5f7fc;
    --line: #e4e9f3;
    --line-strong: #d3dbea;
    --white: #fff;
    --radius: 8px;
    --shadow: 0 18px 48px rgba(20, 32, 86, .12);
    --sans: "Poppins", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    --mono: "SFMono-Regular", "JetBrains Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html {
    background: var(--white);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: var(--sans);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

a { color: inherit; }
img { max-width: 100%; }
::selection { background: var(--blue-light); color: var(--navy-900); }

/* ---------- 顶部导航 ---------- */

.site-head {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--white);
    border-bottom: 1px solid var(--line);
}

.head-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    width: min(100%, 1344px);
    height: 76px;
    margin: 0 auto;
    padding: 0 32px;
}

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex: none;
}

.brand-logo {
    display: block;
    width: auto;
    height: 32px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 34px;
    margin-left: auto;
}

.nav a {
    position: relative;
    padding: 6px 0;
    color: #5d6b80;
    font-size: 13px;
    text-decoration: none;
    transition: color .2s ease;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
}

.nav a:hover { color: var(--blue); }
.nav a:hover::after { transform: scaleX(1); }

.head-right {
    display: flex;
    align-items: center;
    gap: 22px;
    flex: none;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #5d6b80;
    font-size: 11px;
    white-space: nowrap;
}

.dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 3px rgba(2, 197, 141, .14);
    animation: pulse 2.6s ease-in-out infinite;
}

.status.is-down .dot,
.foot-state.is-down .dot {
    background: #fc5454;
    box-shadow: 0 0 0 3px rgba(252, 84, 84, .14);
}

.clock {
    color: var(--faint);
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .03em;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 4px;
    background: var(--blue);
    color: #fff;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .02em;
    text-decoration: none;
    box-shadow: 0 8px 18px rgba(48, 65, 155, .22);
    transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
}

.btn:hover {
    background: var(--navy-800);
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(48, 65, 155, .28);
}

.btn .arrow { font-family: var(--sans); font-size: 13px; line-height: 1; }

/* ---------- 首屏 ---------- */

.hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(900px 520px at 82% 12%, rgba(89, 198, 251, .20), transparent 62%),
        linear-gradient(155deg, #1b2559 0%, #2c3d93 52%, #30419b 74%, #283786 100%);
    color: #fff;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 92%);
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 92%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(390px, .96fr);
    align-items: center;
    gap: clamp(40px, 5vw, 76px);
    width: min(100%, 1344px);
    margin: 0 auto;
    padding: 84px 32px 122px;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 26px;
    color: var(--blue-light);
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: .22em;
}

.eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: var(--blue-light);
    opacity: .8;
}

h1 {
    margin: 0;
    color: #fff;
    font-size: clamp(40px, 5.1vw, 70px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -.02em;
}

h1 .accent {
    color: var(--blue-light);
    box-shadow: inset 0 -.09em 0 rgba(89, 198, 251, .38);
}

.hero-lead {
    max-width: 34em;
    margin: 24px 0 0;
    color: rgba(255, 255, 255, .74);
    font-size: 15.5px;
    line-height: 1.95;
    letter-spacing: .01em;
}

.nowrap { white-space: nowrap; }

.hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 34px;
    flex-wrap: wrap;
}

.btn-light {
    background: var(--blue-light);
    color: var(--navy-900);
    box-shadow: 0 10px 26px rgba(89, 198, 251, .24);
}

.btn-light:hover {
    background: #7dd3ff;
    color: var(--navy-900);
    box-shadow: 0 14px 30px rgba(89, 198, 251, .3);
}

.btn-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, .34);
    color: #fff;
    box-shadow: none;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .08);
    border-color: rgba(255, 255, 255, .62);
    box-shadow: none;
}

.hero-specs {
    display: flex;
    gap: clamp(28px, 4vw, 52px);
    margin-top: 46px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .16);
    flex-wrap: wrap;
}

.hero-specs strong {
    display: block;
    color: #fff;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.hero-specs span {
    display: block;
    margin-top: 5px;
    color: rgba(255, 255, 255, .52);
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: .16em;
}

/* ---------- 请求示例卡片 ---------- */

.demo {
    position: relative;
    width: 100%;
    max-width: 540px;
    justify-self: end;
    overflow: hidden;
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    box-shadow: 0 34px 80px rgba(5, 12, 40, .42);
    animation: rise .9s cubic-bezier(.22, .7, .24, 1) .18s both;
}

.demo::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #30419b, #59c6fb);
}

.demo-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 18px;
    border-bottom: 1px solid #e9edf6;
}

.demo-title {
    color: var(--faint);
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: .18em;
}

.demo-endpoint {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--navy-800);
    font-family: var(--mono);
    font-size: 10.5px;
}

.pill {
    padding: 3px 7px;
    border: 1px solid #d5eaff;
    border-radius: 3px;
    background: #eef6ff;
    color: #1f6fb2;
    font-family: var(--mono);
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: .05em;
}

.demo-code {
    margin: 0;
    padding: 20px 18px;
    overflow-x: auto;
    background: var(--navy-900);
    color: #c7d1ea;
    font-family: var(--mono);
    font-size: 11.5px;
    line-height: 1.95;
    white-space: pre;
}

.demo-code .k { color: #8fa2c9; }
.demo-code .s { color: #7ec8f2; }
.demo-code .v { color: #f0c887; }

.demo-sep {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 18px;
    border-top: 1px solid #e9edf6;
    border-bottom: 1px solid #e9edf6;
    background: #f8fafe;
    color: #5d6b80;
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: .04em;
}

.demo-sep .ok {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #02a97a;
    font-weight: 700;
}

.demo-sep .dot {
    width: 5px;
    height: 5px;
    animation: none;
    box-shadow: none;
}

.demo-note {
    margin: 0;
    padding: 11px 18px 13px;
    color: var(--faint);
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: .06em;
}

/* ---------- 数据条 ---------- */

.stats-wrap {
    position: relative;
    z-index: 5;
    width: min(100%, 1344px);
    margin: -58px auto 0;
    padding: 0 32px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--line);
    box-shadow: var(--shadow);
    animation: rise .9s cubic-bezier(.22, .7, .24, 1) .3s both;
}

.stat {
    padding: 24px 20px 23px;
    background: #fff;
}

.stat-value {
    color: var(--navy-800);
    font-size: 30px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -.01em;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    display: block;
    margin-top: 10px;
    color: var(--faint);
    font-size: 10.5px;
    letter-spacing: .12em;
}

/* ---------- 接口能力 ---------- */

.capabilities {
    width: min(100%, 1344px);
    margin: 0 auto;
    padding: 86px 32px 68px;
    scroll-margin-top: 96px;
}

.cap-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 42px;
}

.section-no {
    color: #4f8fc4;
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: .2em;
}

.cap-head h2 {
    margin: 10px 0 0;
    color: var(--navy-800);
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.cap-head p {
    max-width: 34em;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.9;
}

.cap-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
}

.cap {
    padding: 30px 30px 34px;
    border-left: 1px solid var(--line);
}

.cap:first-child {
    border-left: 0;
    padding-left: 0;
}

.cap-no {
    color: #4f8fc4;
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: .18em;
}

.cap h3 {
    margin: 16px 0 12px;
    color: var(--navy-800);
    font-size: 17px;
    font-weight: 600;
}

.cap p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.9;
}

/* ---------- 支持平台 ---------- */

.platforms {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    scroll-margin-top: 96px;
}

.platforms-inner {
    width: min(100%, 1344px);
    margin: 0 auto;
    padding: 60px 32px 58px;
}

.platforms-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 32px;
}

.platforms-head h2 {
    margin: 10px 0 0;
    color: var(--navy-800);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -.01em;
}

.platforms-head p {
    max-width: 36em;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.9;
}

.platforms-head strong {
    color: var(--blue);
    font-variant-numeric: tabular-nums;
}

.platform-groups {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 56px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}

.platform-group h3 {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin: 0 0 8px;
    color: var(--navy-800);
    font-size: 14px;
    font-weight: 600;
}

.platform-group h3 span {
    color: var(--faint);
    font-family: var(--mono);
    font-size: 9px;
    font-weight: 400;
    letter-spacing: .08em;
}

.platform-group p {
    margin: 0;
    color: #5f6c80;
    font-size: 13px;
    line-height: 2.05;
}

/* ---------- 页脚 ---------- */

.site-foot {
    background: var(--navy-900);
    color: rgba(255, 255, 255, .55);
}

.foot-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    width: min(100%, 1344px);
    margin: 0 auto;
    padding: 26px 32px;
    flex-wrap: wrap;
    font-size: 11.5px;
}

.foot-brand {
    color: #fff;
    font-weight: 600;
}

.foot-links {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}

.foot-links a {
    color: rgba(255, 255, 255, .62);
    text-decoration: none;
    transition: color .2s ease;
}

.foot-links a:hover { color: var(--blue-light); }

.foot-state {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: .08em;
}

/* ---------- 动效 ---------- */

@keyframes rise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: none; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .38; }
}

.eyebrow, h1, .hero-lead, .hero-actions, .hero-specs {
    animation: rise .85s cubic-bezier(.22, .7, .24, 1) both;
}

.eyebrow { animation-delay: .04s; }
h1 { animation-delay: .1s; }
.hero-lead { animation-delay: .17s; }
.hero-actions { animation-delay: .24s; }
.hero-specs { animation-delay: .3s; }

/* ---------- 响应式 ---------- */

@media (max-width: 1120px) {
    .nav { display: none; }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
        padding-top: 64px;
        padding-bottom: 112px;
    }

    .demo {
        justify-self: start;
        max-width: 620px;
    }

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

    .cap-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 860px) {
    .head-inner { height: 68px; padding: 0 20px; }
    .clock { display: none; }
    .head-right { gap: 16px; }
    .head-right .btn { height: 36px; padding: 0 15px; font-size: 11.5px; }

    .hero-inner { padding: 52px 20px 104px; }
    .hero-lead { font-size: 14.5px; }
    .hero-specs { gap: 26px; }

    .stats-wrap { margin-top: -46px; padding: 0 20px; }
    .stat { padding: 22px 18px; }

    .capabilities { padding: 64px 20px 40px; }
    .cap-list { grid-template-columns: 1fr; }
    .cap { border-left: 0; border-top: 1px solid var(--line); padding: 24px 0 26px; }
    .cap:first-child { border-top: 0; }

    .platforms-inner { padding: 48px 20px 44px; }
    .platforms-head { align-items: flex-start; flex-direction: column; gap: 14px; }
    .platform-groups { grid-template-columns: 1fr; gap: 26px; padding-top: 28px; }
    .foot-inner { padding: 22px 20px; }
}

@media (max-width: 560px) {
    .brand-logo { height: 28px; }
    .status { display: none; }
    .head-right .btn { padding: 0 13px; }

    h1 { font-size: clamp(35px, 10.5vw, 46px); }
    .hero-actions { gap: 10px; }
    .hero-actions .btn { height: 42px; }
    .hero-specs strong { font-size: 17px; }

    .demo-code { font-size: 10.5px; padding: 16px 14px; }
    .demo-head { padding: 13px 14px; }
    .demo-endpoint { font-size: 9.5px; }
    .demo-sep, .demo-note { padding-left: 14px; padding-right: 14px; }

    .stats { grid-template-columns: repeat(2, 1fr); }
    .stat-value { font-size: 25px; }
    .cap-head h2 { font-size: 25px; }
    .platforms-head h2 { font-size: 25px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
}