/* ==========================================================================
   乌贼聚合直播盒子 · 样式表
   主题：深海墨汁（dark ink）· 玻璃拟态
   ========================================================================== */

:root {
    /* 配色 */
    --wz-bg: #0b1220;
    --wz-bg-soft: #101a2e;
    --wz-surface: rgba(255, 255, 255, 0.04);
    --wz-surface-strong: rgba(255, 255, 255, 0.07);
    --wz-border: rgba(255, 255, 255, 0.10);
    --wz-text: #e8edf7;
    --wz-text-dim: #9aa7bf;
    --wz-accent: #22d3ee;
    --wz-accent-2: #818cf8;
    --wz-warm: #fb7185;
    --wz-grad: linear-gradient(135deg, #22d3ee 0%, #818cf8 100%);
    --wz-grad-warm: linear-gradient(135deg, #fb7185 0%, #f59e0b 100%);

    /* 尺寸 */
    --wz-radius: 18px;
    --wz-radius-sm: 12px;
    --wz-maxw: 1120px;
    --wz-gap: 22px;

    /* 动效 */
    --wz-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --wz-speed: 0.35s;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 84px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    background:
        radial-gradient(1100px 620px at 12% -8%, rgba(34, 211, 238, 0.16), transparent 60%),
        radial-gradient(1000px 560px at 92% 4%, rgba(129, 140, 248, 0.14), transparent 55%),
        var(--wz-bg);
    color: var(--wz-text);
    line-height: 1.65;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

/* 跳过链接 */
.wz-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--wz-accent);
    color: #04121a;
    padding: 8px 16px;
    border-radius: 0 0 8px 0;
    z-index: 100;
}
.wz-skip:focus { left: 0; }

/* ============================ 按钮 ============================ */
.wz-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.2s var(--wz-ease), box-shadow 0.25s var(--wz-ease),
        background 0.25s var(--wz-ease), color 0.25s var(--wz-ease);
}
.wz-btn:hover { transform: translateY(-2px); }
.wz-btn:active { transform: translateY(0); }

.wz-btn--solid {
    background: var(--wz-grad);
    color: #04121a;
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.28);
}
.wz-btn--solid:hover { box-shadow: 0 12px 30px rgba(34, 211, 238, 0.4); }

.wz-btn--outline {
    background: transparent;
    color: var(--wz-text);
    border-color: var(--wz-border);
}
.wz-btn--outline:hover { border-color: var(--wz-accent); color: var(--wz-accent); }

.wz-btn--ghost {
    background: var(--wz-surface-strong);
    color: var(--wz-text);
    border-color: var(--wz-border);
    padding: 9px 20px;
    font-size: 0.88rem;
}
.wz-btn--ghost:hover { border-color: var(--wz-accent); color: var(--wz-accent); }

.wz-btn--lg { padding: 15px 34px; font-size: 1.02rem; }

/* ============================ 顶栏 ============================ */
.wz-top {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: rgba(11, 18, 32, 0.72);
    border-bottom: 1px solid var(--wz-border);
}
.wz-top__inner {
    max-width: var(--wz-maxw);
    margin: 0 auto;
    padding: 0 22px;
    height: 66px;
    display: flex;
    align-items: center;
    gap: 26px;
}

.wz-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; }
.wz-brand__logo {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    object-fit: cover;
    border: 1px solid var(--wz-border);
}
.wz-brand__name {
    background: var(--wz-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.wz-nav { display: flex; gap: 4px; margin-left: auto; }
.wz-nav__link {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.92rem;
    color: var(--wz-text-dim);
    transition: color 0.2s, background 0.2s;
}
.wz-nav__link:hover { color: var(--wz-text); background: var(--wz-surface-strong); }
.wz-top__cta { margin-left: 4px; }

/* 汉堡菜单开关（隐藏的复选框，靠 label 触发） */
.wz-burger-input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* 汉堡按钮（label） */
.wz-burger {
    display: none;
    margin-left: auto;
    width: 42px;
    height: 42px;
    background: var(--wz-surface-strong);
    border: 1px solid var(--wz-border);
    border-radius: 10px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    user-select: none;
}
.wz-burger span {
    width: 18px;
    height: 2px;
    background: var(--wz-text);
    border-radius: 2px;
    transition: transform 0.3s var(--wz-ease), opacity 0.2s;
}

/* 打开时：三条线变成 X */
.wz-burger-input:checked ~ .wz-top__inner .wz-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.wz-burger-input:checked ~ .wz-top__inner .wz-burger span:nth-child(2) { opacity: 0; }
.wz-burger-input:checked ~ .wz-top__inner .wz-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 键盘聚焦时的高亮 */
.wz-burger-input:focus-visible ~ .wz-top__inner .wz-burger {
    outline: 2px solid var(--wz-accent);
    outline-offset: 2px;
}

/* 移动端菜单 */
.wz-menu {
    display: none;
    border-top: 1px solid var(--wz-border);
    background: rgba(11, 18, 32, 0.96);
    padding: 14px 22px 22px;
    flex-direction: column;
    gap: 4px;
}
.wz-burger-input:checked ~ .wz-menu { display: flex; }
.wz-menu__link {
    padding: 12px 6px;
    border-radius: 10px;
    color: var(--wz-text-dim);
    font-size: 1rem;
}
.wz-menu__link:hover { color: var(--wz-text); background: var(--wz-surface-strong); }
.wz-menu__cta { margin-top: 10px; }

/* ============================ Hero ============================ */
.wz-hero {
    position: relative;
    padding: 96px 22px 72px;
    text-align: center;
    overflow: hidden;
}
.wz-hero__glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(640px 320px at 50% -10%, rgba(34, 211, 238, 0.22), transparent 70%);
    pointer-events: none;
}
.wz-hero__inner { position: relative; max-width: 760px; margin: 0 auto; }

.wz-hero__badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.8rem;
    color: var(--wz-accent);
    background: rgba(34, 211, 238, 0.12);
    border: 1px solid rgba(34, 211, 238, 0.25);
    margin-bottom: 22px;
}
.wz-hero__icon {
    display: block;
    width: 120px;
    height: 120px;
    border-radius: 26px;
    object-fit: cover;
    margin: 0 auto 24px;
    border: 1px solid var(--wz-border);
    box-shadow: 0 12px 40px rgba(34, 211, 238, 0.28);
}
.wz-hero__title {
    font-size: clamp(2.2rem, 6vw, 3.6rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.wz-hero__accent {
    background: var(--wz-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.wz-hero__sub {
    max-width: 560px;
    margin: 20px auto 0;
    color: var(--wz-text-dim);
    font-size: 1.05rem;
}
.wz-hero__actions {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.wz-hero__tags {
    margin-top: 30px;
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}
.wz-hero__tags li {
    font-size: 0.8rem;
    color: var(--wz-text-dim);
    padding: 5px 14px;
    border-radius: 999px;
    background: var(--wz-surface);
    border: 1px solid var(--wz-border);
}

/* ============================ 数据统计 ============================ */
.wz-stats {
    max-width: var(--wz-maxw);
    margin: 0 auto;
    padding: 28px 22px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.wz-stats__item {
    text-align: center;
    padding: 26px 12px;
    background: var(--wz-surface);
    border: 1px solid var(--wz-border);
    border-radius: var(--wz-radius);
    backdrop-filter: blur(8px);
}
.wz-stats__num {
    display: block;
    font-size: 2.1rem;
    font-weight: 800;
    background: var(--wz-grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.wz-stats__label { color: var(--wz-text-dim); font-size: 0.88rem; }

/* ============================ 区块通用 ============================ */
.wz-sec { padding: 84px 22px; }
.wz-sec--tint { background: var(--wz-bg-soft); border-top: 1px solid var(--wz-border); border-bottom: 1px solid var(--wz-border); }

.wz-sec__head { max-width: 640px; margin: 0 auto 48px; text-align: center; }
.wz-sec__kicker {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--wz-accent);
    margin-bottom: 12px;
}
.wz-sec__title { font-size: clamp(1.6rem, 3.6vw, 2.3rem); font-weight: 800; }
.wz-sec__desc { margin-top: 12px; color: var(--wz-text-dim); }

/* ============================ 功能卡片 ============================ */
.wz-grid {
    max-width: var(--wz-maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--wz-gap);
}
.wz-card {
    padding: 28px 24px;
    background: var(--wz-surface);
    border: 1px solid var(--wz-border);
    border-radius: var(--wz-radius);
    transition: transform 0.3s var(--wz-ease), border-color 0.3s, background 0.3s;
}
.wz-card:hover {
    transform: translateY(-6px);
    border-color: rgba(34, 211, 238, 0.4);
    background: var(--wz-surface-strong);
}
.wz-card__icon { font-size: 2rem; display: block; margin-bottom: 14px; }
.wz-card__title { font-size: 1.08rem; margin-bottom: 8px; }
.wz-card__text { color: var(--wz-text-dim); font-size: 0.9rem; }

/* ============================ 平台药丸 ============================ */
.wz-pills {
    max-width: var(--wz-maxw);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}
.wz-pill {
    padding: 10px 22px;
    border-radius: 999px;
    background: var(--wz-surface);
    border: 1px solid var(--wz-border);
    font-size: 0.95rem;
    font-weight: 600;
    transition: border-color 0.25s, color 0.25s, transform 0.25s var(--wz-ease);
}
.wz-pill:hover { border-color: var(--wz-accent); color: var(--wz-accent); transform: translateY(-3px); }

/* ============================ 步骤 ============================ */
.wz-steps {
    max-width: var(--wz-maxw);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--wz-gap);
    counter-reset: step;
}
.wz-step {
    position: relative;
    padding: 30px 26px;
    background: var(--wz-surface);
    border: 1px solid var(--wz-border);
    border-radius: var(--wz-radius);
}
.wz-step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    font-weight: 800;
    font-size: 1.1rem;
    background: var(--wz-grad);
    color: #04121a;
    margin-bottom: 16px;
}
.wz-step__title { font-size: 1.1rem; margin-bottom: 8px; }
.wz-step__text { color: var(--wz-text-dim); font-size: 0.9rem; }

/* ============================ FAQ ============================ */
.wz-faq { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.wz-faq__item {
    background: var(--wz-surface);
    border: 1px solid var(--wz-border);
    border-radius: var(--wz-radius-sm);
    overflow: hidden;
}
.wz-faq__q {
    padding: 18px 22px 4px;
    color: var(--wz-text);
    font-size: 1rem;
    font-weight: 600;
}
.wz-faq__a { padding: 4px 22px 18px; }
.wz-faq__a p { color: var(--wz-text-dim); font-size: 0.92rem; }

/* ============================ 下载 CTA ============================ */
.wz-download {
    padding: 96px 22px;
    text-align: center;
    background:
        radial-gradient(600px 300px at 50% 0%, rgba(34, 211, 238, 0.18), transparent 70%);
}
.wz-download__inner { max-width: 620px; margin: 0 auto; }
.wz-download__title { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; }
.wz-download__sub { margin-top: 14px; color: var(--wz-text-dim); }
.wz-download__actions { margin-top: 32px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.wz-download__note { margin-top: 22px; font-size: 0.78rem; color: var(--wz-text-dim); opacity: 0.7; }

/* ============================ 页脚 ============================ */
.wz-foot { border-top: 1px solid var(--wz-border); padding: 40px 22px; }
.wz-foot__inner { max-width: var(--wz-maxw); margin: 0 auto; text-align: center; }
.wz-foot__brand { font-weight: 700; font-size: 1.05rem; }
.wz-foot__nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; margin: 16px 0; }
.wz-foot__link { color: var(--wz-text-dim); font-size: 0.88rem; cursor: default; user-select: none; }
.wz-foot__copy { color: var(--wz-text-dim); font-size: 0.78rem; opacity: 0.6; }

/* ============================ 响应式 ============================ */
@media (max-width: 900px) {
    .wz-grid { grid-template-columns: repeat(2, 1fr); }
    .wz-steps { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .wz-nav { display: none; }
    .wz-top__cta { display: none; }
    .wz-burger { display: flex; }
    .wz-stats { grid-template-columns: repeat(2, 1fr); }
    .wz-sec { padding: 60px 18px; }
}

@media (max-width: 480px) {
    .wz-grid { grid-template-columns: 1fr; }
    .wz-stats__num { font-size: 1.7rem; }
}

/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}