/* ============================================================
   streamer.css — 主播合作 / 媒体新闻稿版式（前缀 st-）
   报纸式大标题 + Feature 卡 + 数据计数 + 模式卡 + logo 墙
   ============================================================ */

/* ---------- 新闻稿头 ---------- */
.st-headline {
    background: var(--white);
    padding: 56px 0 30px;
    border-bottom: 1px solid var(--ink-200);
}
.st-kicker {
    text-align: center;
    font-size: 12.5px;
    letter-spacing: 4px;
    color: var(--orange-600);
    font-weight: 700;
    margin-bottom: 16px;
}
.st-h1 {
    text-align: center;
    font-size: 42px;
    line-height: 1.25;
    letter-spacing: 1px;
    max-width: 880px;
    margin: 0 auto 18px;
}
.st-deck {
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    color: var(--ink-500);
    font-size: 15.5px;
    line-height: 1.9;
}
.st-meta {
    max-width: 720px;
    margin: 26px auto 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    padding-top: 18px;
    border-top: 1px dashed var(--ink-200);
    font-size: 12.5px;
    color: var(--ink-500);
}
.st-meta li { display: inline-flex; align-items: baseline; gap: 8px; }
.st-meta li span { color: var(--ink-400); }
.st-meta li b { color: var(--ink-900); font-size: 13.5px; }

/* ---------- Feature 卡 ---------- */
.st-feature { padding: 50px 0 30px; background: var(--white); }
.st-feature-grid {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 36px;
    align-items: stretch;
}
.st-feature-media { display: flex; flex-direction: column; gap: 14px; }
.st-feature-img {
    position: relative;
    flex: 1;
    min-height: 320px;
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, rgba(28, 25, 23, .55), rgba(234, 88, 12, .45)),
        repeating-linear-gradient(-45deg, #2c1a10 0 18px, #3a2418 18px 36px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: #fff;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.st-feature-play {
    width: 74px; height: 74px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, .18);
    backdrop-filter: blur(6px);
    border: 2px solid rgba(255, 255, 255, .55);
    font-size: 26px;
    padding-left: 4px;
}
.st-feature-img-tip {
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--orange-100);
}
.st-feature-live {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--ink-900);
    color: var(--white);
    padding: 10px 16px;
    border-radius: var(--radius-pill);
    font-size: 13px;
}
.st-live-dot {
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--red);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, .25);
    animation: stPulse 1.6s infinite;
}
@keyframes stPulse {
    0% { box-shadow: 0 0 0 0 rgba(220, 38, 38, .5); }
    70% { box-shadow: 0 0 0 8px rgba(220, 38, 38, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}
.st-live-text { flex: 1; }
.st-live-views { color: var(--orange-300); font-weight: 700; }

.st-feature-body {
    background: var(--orange-50);
    border: 1px solid var(--orange-200);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.st-feature-h2 { font-size: 26px; line-height: 1.35; }
.st-feature-p { color: var(--ink-700); font-size: 14.5px; line-height: 1.9; }
.st-feature-points { display: grid; gap: 8px; }
.st-feature-points li {
    position: relative;
    padding-left: 22px;
    font-size: 13.5px;
    color: var(--ink-700);
    line-height: 1.7;
}
.st-feature-points li::before {
    content: "✓";
    position: absolute;
    left: 0; top: 0;
    color: var(--orange-600);
    font-weight: 800;
}
.st-feature-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: auto; }

.st-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 14.5px;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.st-btn-solid {
    background: linear-gradient(135deg, var(--orange-500), var(--orange-700));
    color: #fff;
    box-shadow: 0 8px 18px rgba(234, 88, 12, .35);
}
.st-btn-solid:hover { color: #fff; transform: translateY(-1px); }
.st-btn-ghost {
    border: 1.5px solid var(--orange-300);
    color: var(--orange-700);
}
.st-btn-ghost:hover { background: var(--orange-100); color: var(--orange-800); }

/* ---------- 数据计数器 ---------- */
.st-counters { padding: 60px 0; background: var(--ink-900); color: #fff; }
.st-counters .td-section-head h2 { color: #fff; }
.st-counters .td-section-head p { color: var(--ink-300); }
.st-counter-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.st-counter {
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--radius);
    padding: 26px 22px;
    text-align: center;
}
.st-counter-num {
    display: block;
    font-size: 38px;
    font-weight: 800;
    color: var(--orange-400);
    line-height: 1.1;
    letter-spacing: 1px;
}
.st-counter-num em { font-style: normal; font-size: 16px; color: var(--orange-300); margin-left: 3px; }
.st-counter-label {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    color: #fff;
    font-weight: 600;
}
.st-counter-note {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--ink-400);
}

/* ---------- 三种合作模式 ---------- */
.st-modes { padding: 64px 0; background: var(--white); }
.st-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.st-mode-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius-lg);
    padding: 26px 24px 22px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow-xs);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.st-mode-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--orange-300); }
.st-mode-card.is-hot {
    border: 2px solid var(--orange-600);
    background: linear-gradient(180deg, var(--orange-50) 0%, #fff 40%);
}
.st-mode-head { display: flex; align-items: center; gap: 12px; }
.st-mode-ico {
    width: 50px; height: 50px;
    display: grid;
    place-items: center;
    font-size: 24px;
    background: var(--orange-100);
    border-radius: 14px;
}
.st-mode-name { font-size: 18px; }
.st-mode-tag {
    display: inline-block;
    margin-top: 2px;
    font-size: 11px;
    font-weight: 700;
    color: var(--orange-700);
    background: var(--orange-100);
    padding: 2px 10px;
    border-radius: var(--radius-pill);
}
.st-mode-intro { font-size: 13.5px; color: var(--ink-500); line-height: 1.7; }
.st-mode-table {
    background: var(--ink-50);
    border-radius: var(--radius-sm);
    font-size: 13px;
}
.st-mode-table th, .st-mode-table td {
    padding: 9px 10px;
    text-align: left;
    border-bottom: 1px solid var(--ink-200);
    vertical-align: top;
}
.st-mode-table tr:last-child th, .st-mode-table tr:last-child td { border-bottom: none; }
.st-mode-table th {
    width: 88px;
    color: var(--ink-500);
    font-weight: 600;
    white-space: nowrap;
}
.st-mode-table td { color: var(--ink-900); font-weight: 600; }
.st-mode-cta {
    margin-top: auto;
    display: block;
    text-align: center;
    height: 42px;
    line-height: 42px;
    background: var(--ink-900);
    color: #fff !important;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 14px;
    transition: background .18s ease;
}
.st-mode-cta:hover { background: var(--orange-600); }

/* ---------- 合作流程 ---------- */
.st-flow { padding: 60px 0; background: var(--ink-50); }
.st-flow-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    counter-reset: stflow;
}
.st-flow-item {
    position: relative;
    background: var(--white);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    padding: 22px 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.st-flow-item::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -12px;
    width: 12px; height: 2px;
    background: var(--orange-400);
}
.st-flow-item:last-child::after { display: none; }
.st-flow-no {
    width: 34px; height: 34px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--orange-600);
    color: #fff;
    font-weight: 800;
}
.st-flow-title { font-size: 15.5px; }
.st-flow-desc { font-size: 12.5px; color: var(--ink-500); line-height: 1.7; }

/* ---------- 伙伴 logo 墙 ---------- */
.st-partners { padding: 60px 0; background: var(--white); }
.st-partner-wall {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
}
.st-partner-logo {
    display: grid;
    place-items: center;
    height: 78px;
    background: var(--ink-50);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 700;
    color: var(--ink-500);
    letter-spacing: 1px;
    transition: all .18s ease;
}
.st-partner-logo:hover {
    background: var(--orange-50);
    border-color: var(--orange-300);
    color: var(--orange-700);
}

/* ---------- 常见疑问 ---------- */
.st-qs { padding: 60px 0 80px; background: var(--ink-50); }
.st-qs-inner { }
.st-q-grid { display: grid; gap: 12px; max-width: 860px; }
.st-q-item {
    background: var(--white);
    border: 1px solid var(--ink-200);
    border-radius: var(--radius);
    padding: 0 20px;
    transition: border-color .18s ease;
}
.st-q-item[open] { border-color: var(--orange-300); }
.st-q-title {
    list-style: none;
    cursor: pointer;
    padding: 16px 0;
    font-weight: 700;
    font-size: 15px;
    color: var(--ink-900);
    display: flex;
    align-items: center;
    gap: 12px;
}
.st-q-title::-webkit-details-marker { display: none; }
.st-q-no {
    flex-shrink: 0;
    font-size: 11.5px;
    font-weight: 800;
    color: var(--orange-700);
    background: var(--orange-100);
    padding: 3px 8px;
    border-radius: 4px;
}
.st-q-a {
    padding: 0 0 18px 0;
    color: var(--ink-500);
    font-size: 13.5px;
    line-height: 1.9;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 960px) {
    .st-headline { padding: 40px 0 24px; }
    .st-h1 { font-size: 30px; }
    .st-deck { font-size: 14.5px; }
    .st-meta { gap: 16px 22px; }

    .st-feature-grid { grid-template-columns: 1fr; gap: 24px; }
    .st-feature-img { min-height: 240px; }

    .st-counter-row { grid-template-columns: repeat(2, 1fr); }
    .st-counter-num { font-size: 30px; }

    .st-mode-grid { grid-template-columns: 1fr; }
    .st-flow-list { grid-template-columns: repeat(2, 1fr); }
    .st-flow-item::after { display: none; }

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

@media (max-width: 640px) {
    .st-headline { padding: 28px 0 20px; }
    .st-h1 { font-size: 24px; }
    .st-deck { font-size: 13.5px; }
    .st-meta { flex-direction: column; align-items: flex-start; gap: 8px; }

    .st-feature { padding: 30px 0; }
    .st-feature-img { min-height: 200px; }
    .st-feature-play { width: 58px; height: 58px; font-size: 20px; }
    .st-feature-body { padding: 22px 20px; }
    .st-feature-h2 { font-size: 21px; }
    .st-feature-actions .st-btn { flex: 1; padding-inline: 12px; font-size: 13.5px; }

    .st-counters { padding: 40px 0; }
    .st-counter-row { grid-template-columns: 1fr; gap: 12px; }
    .st-counter { padding: 20px 16px; }
    .st-counter-num { font-size: 28px; }

    .st-modes, .st-flow, .st-partners, .st-qs { padding: 44px 0; }
    .st-flow-list { grid-template-columns: 1fr; }
    .st-partner-wall { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .st-partner-logo { height: 60px; font-size: 13px; }
}