/* 欧易下载官方网站 — 潮流新版 */
:root {
    --c-primary: #e11d48;
    --c-primary-d: #9f1239;
    --c-accent: #22d3ee;
    --c-accent-2: #fbbf24;
    --c-dark: #120a1f;
    --c-dark-2: #1e1033;
    --c-text: #1c1917;
    --c-muted: #78716c;
    --c-line: rgba(28, 25, 23, 0.1);
    --c-surface: #ffffff;
    --c-bg: #faf8f5;
    --c-bg-2: #f3eef8;
    --shadow: 0 1px 4px rgba(18, 10, 31, 0.05);
    --shadow-md: 0 6px 20px rgba(18, 10, 31, 0.07);
    --shadow-lg: 0 12px 32px rgba(225, 29, 72, 0.1);
    --r: 10px;
    --r-lg: 14px;
    --block-pad: 3rem;
    --wrap: 1160px;
    --nav-h: 68px;
    --ease: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    --font: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--c-text);
    line-height: 1.65;
    background: var(--c-bg);
    overflow-x: hidden;
}
body.ok-subpage { background: linear-gradient(180deg, #f8f4ff 0%, var(--c-bg) 240px); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary-d); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--c-primary); }

.ok-wrap {
    width: 100%;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* —— 导航 —— */
.ok-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--c-line);
}

@media (max-width: 900px) {
    .ok-header { overflow: visible; }
}
.ok-header__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-h);
    gap: 1rem;
}
.ok-logo img { height: 40px; width: auto; }
.ok-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--c-dark);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    cursor: pointer;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}
.ok-menu-btn span {
    display: block;
    width: 18px;
    height: 2px;
    background: #fff;
    margin: 4px auto;
    border-radius: 2px;
}
.ok-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.15rem;
    list-style: none;
    margin: 0;
    padding: 0;
    max-width: calc(100% - 150px);
}
.ok-nav a {
    display: block;
    padding: 0.45rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
    border-radius: 999px;
    transition: background var(--ease), color var(--ease);
}
.ok-nav a:hover,
.ok-nav li.active a {
    background: linear-gradient(135deg, rgba(225, 29, 72, 0.1), rgba(34, 211, 238, 0.12));
    color: var(--c-primary-d);
}

/* —— 按钮 —— */
.ok-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.8rem 1.6rem;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    transition: transform var(--ease), box-shadow var(--ease);
}
.ok-btn--main {
    background: linear-gradient(135deg, var(--c-primary), #fb7185);
    color: #fff;
    box-shadow: 0 8px 24px rgba(225, 29, 72, 0.35);
}
.ok-btn--main:hover { color: #fff; }

@media (hover: hover) {
    .ok-btn--main:hover { transform: translateY(-1px); }
}
.ok-btn--ghost {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.35);
}
.ok-btn--ghost:hover { background: rgba(255, 255, 255, 0.2); color: #fff; }
.ok-btn--white {
    background: #fff;
    color: var(--c-primary-d);
    box-shadow: var(--shadow);
}
.ok-btn--white:hover { color: var(--c-primary); }
.ok-btn--line {
    background: transparent;
    color: var(--c-primary);
    border: 2px solid var(--c-primary);
}
.ok-btn--sm { padding: 0.55rem 1.1rem; font-size: 0.82rem; }
.ok-btn--full { width: 100%; }

/* —— Hero —— */
.ok-hero {
    position: relative;
    padding: 3.5rem 0 4rem;
    background: var(--c-dark);
    color: #fff;
    overflow: hidden;
}
.ok-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 90% 10%, rgba(225, 29, 72, 0.45), transparent),
        radial-gradient(ellipse 60% 50% at 0% 100%, rgba(34, 211, 238, 0.2), transparent),
        linear-gradient(160deg, var(--c-dark) 0%, var(--c-dark-2) 50%, #3b0764 100%);
}
.ok-hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2.5rem;
    align-items: center;
}
.ok-hero__chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem 0.35rem 0.45rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}
.ok-hero__chip i {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--c-accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--c-accent);
}
.ok-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}
.ok-hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, #fda4af, var(--c-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.ok-hero__text {
    font-size: 1.02rem;
    opacity: 0.9;
    max-width: 34em;
    margin: 0 0 1.75rem;
    word-break: break-word;
}
.ok-hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}
.ok-hero__pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}
.ok-hero__pills li {
    font-size: 0.75rem;
    padding: 0.35rem 0.8rem;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.ok-hero__visual {
    display: flex;
    justify-content: center;
}
.ok-hero__frame {
    position: relative;
    max-width: 100%;
    padding: 0.85rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--r-lg);
    backdrop-filter: blur(8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
}
.ok-hero__frame img {
    width: 100%;
    max-width: 240px;
    margin: 0 auto;
    border-radius: calc(var(--r) - 2px);
}

/* —— 滚动信任条 —— */
.ok-ticker {
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-line);
    overflow: hidden;
}
.ok-ticker__track {
    display: flex;
    gap: 2.5rem;
    padding: 0.85rem 0;
    animation: ok-ticker 28s linear infinite;
    width: max-content;
}
.ok-ticker__track span {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--c-muted);
    white-space: nowrap;
}
.ok-ticker__track strong { color: var(--c-primary); }
@keyframes ok-ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* —— 通用区块 —— */
.ok-block { padding: var(--block-pad) 0; }
.ok-block--soft { background: var(--c-bg-2); }
.ok-head {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 2rem;
}
.ok-head--left { text-align: left; margin-left: 0; margin-right: 0; max-width: none; }
.ok-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-primary);
    margin-bottom: 0.5rem;
}
.ok-head h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 800;
    margin: 0 0 0.65rem;
    letter-spacing: -0.02em;
}
.ok-head p { margin: 0; color: var(--c-muted); font-size: 1rem; line-height: 1.6; word-break: break-word; }

/* —— 数据洞察 #stats —— */
.ok-metrics {
    padding: 2rem 0;
    background: linear-gradient(90deg, var(--c-primary-d), var(--c-primary));
    color: #fff;
}
.ok-metrics__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem 1rem;
    text-align: center;
}
.ok-metrics__item {
    padding: 0.75rem 0.5rem;
    border-right: 1px solid rgba(255, 255, 255, 0.18);
}
.ok-metrics__item:last-child { border-right: none; }
.ok-metrics b {
    display: block;
    font-size: clamp(1.6rem, 4vw, 2.25rem);
    font-weight: 800;
    line-height: 1.1;
}
.ok-metrics span { font-size: 0.88rem; opacity: 0.88; margin-top: 0.35rem; display: block; }

/* —— 核心生态 #features —— */
.ok-bento {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1rem;
}
.ok-bento__card {
    grid-column: span 4;
    background: var(--c-surface);
    border-radius: var(--r-lg);
    padding: 1.25rem 1.35rem;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: border-color var(--ease), box-shadow var(--ease);
}
.ok-bento__card:hover {
    border-color: rgba(225, 29, 72, 0.22);
    box-shadow: var(--shadow-md);
}
.ok-bento__card--wide { grid-column: span 6; }
.ok-bento__card--tall { grid-column: span 4; grid-row: span 1; }
.ok-bento__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(225, 29, 72, 0.12), rgba(34, 211, 238, 0.15));
}
.ok-bento__card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.ok-bento__card p { margin: 0; font-size: 0.88rem; color: var(--c-muted); line-height: 1.55; word-break: break-word; }

/* —— 交易矩阵 —— */
.ok-matrix {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
    margin-top: 1.5rem;
}
.ok-matrix__item {
    text-align: center;
    padding: 1.1rem 0.75rem;
    background: var(--c-surface);
    border-radius: var(--r-lg);
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow);
}
.ok-matrix__item strong {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--c-primary);
    margin-bottom: 0.35rem;
}
.ok-matrix__item span { font-size: 0.85rem; color: var(--c-muted); }

/* —— 开户旅程 —— */
.ok-journey {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2rem;
    align-items: start;
}
.ok-journey__body h3 {
    font-size: 1.15rem;
    color: var(--c-primary-d);
    margin: 1.5rem 0 0.6rem;
}
.ok-journey__body p { color: var(--c-muted); margin: 0 0 0.85rem; font-size: 0.95rem; word-break: break-word; }
.ok-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
}
.ok-checklist li {
    padding: 0.6rem 0 0.6rem 1.6rem;
    position: relative;
    border-bottom: 1px solid var(--c-line);
    font-size: 0.92rem;
}
.ok-checklist li::before {
    content: "✦";
    position: absolute;
    left: 0;
    color: var(--c-primary);
    font-size: 0.75rem;
}
.ok-steps-card {
    background: var(--c-dark);
    color: #fff;
    border-radius: var(--r-lg);
    padding: 1.35rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: calc(var(--nav-h) + 1rem);
}
.ok-steps-card h4 { margin: 0 0 1.25rem; font-size: 1.1rem; }
.ok-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: s;
}
.ok-steps li {
    counter-increment: s;
    padding: 0.75rem 0 0.75rem 2.5rem;
    position: relative;
    font-size: 0.88rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.ok-steps li::before {
    content: counter(s);
    position: absolute;
    left: 0;
    width: 1.65rem;
    height: 1.65rem;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent-2));
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

/* —— 正版通道 #download —— */
.ok-dl-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}
.ok-dl {
    background: var(--c-surface);
    border-radius: var(--r-lg);
    padding: 1.25rem 1.35rem;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.ok-dl::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
}
.ok-dl__top {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.ok-dl__badge {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}
.ok-dl__badge--win { background: #dbeafe; }
.ok-dl__badge--and { background: #dcfce7; }
.ok-dl__badge--ios { background: #fce7f3; }
.ok-dl h3 { margin: 0; font-size: 1.05rem; }
.ok-dl small { color: var(--c-muted); font-size: 0.82rem; }
.ok-dl ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    flex: 1;
    font-size: 0.88rem;
    color: var(--c-muted);
}
.ok-dl ul li { padding: 0.35rem 0 0.35rem 1rem; position: relative; }
.ok-dl ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--c-primary);
}

/* —— 信托架构 #security —— */
.ok-shield-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
}
.ok-shield {
    padding: 1.15rem 1rem;
    background: var(--c-surface);
    border-radius: var(--r-lg);
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow);
    text-align: center;
    height: 100%;
}
.ok-shield__emoji { font-size: 1.5rem; margin-bottom: 0.45rem; }
.ok-shield h3 { margin: 0 0 0.35rem; font-size: 0.92rem; }
.ok-shield p {
    margin: 0 auto;
    font-size: 0.8rem;
    color: var(--c-muted);
    line-height: 1.45;
    max-width: 14em;
}
.ok-badges {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
    margin-top: 1.5rem;
}
.ok-badge {
    text-align: center;
    padding: 1.1rem 0.85rem;
    border-radius: var(--r-lg);
    background: linear-gradient(135deg, rgba(225, 29, 72, 0.06), rgba(34, 211, 238, 0.08));
    border: 1px solid var(--c-line);
}
.ok-badge h4 { margin: 0.5rem 0 0.25rem; font-size: 0.95rem; }
.ok-badge p { margin: 0; font-size: 0.8rem; color: var(--c-muted); }

/* —— 使用手册 #faq —— */
.ok-faq {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}
.ok-faq details {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.ok-faq summary {
    padding: 1.1rem 1.25rem;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    list-style: none;
    color: var(--c-primary-d);
}
.ok-faq summary::-webkit-details-marker { display: none; }
.ok-faq details[open] summary { border-bottom: 1px solid var(--c-line); }
.ok-faq details p {
    margin: 0;
    padding: 0.9rem 1.15rem 1rem;
    font-size: 0.88rem;
    color: var(--c-muted);
    line-height: 1.55;
    word-break: break-word;
}

/* —— 资讯 #article —— */
.ok-feed-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.75rem;
}
.ok-feed-head h2 { margin: 0; font-size: 1.5rem; }
.ok-feed-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
}
.ok-post {
    background: var(--c-surface);
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: border-color var(--ease), box-shadow var(--ease);
}
.ok-post:hover {
    border-color: rgba(225, 29, 72, 0.22);
    box-shadow: var(--shadow-md);
}
.ok-post img { width: 100%; height: 108px; object-fit: cover; }
.ok-post__body { padding: 0.75rem 0.85rem; flex: 1; }
.ok-post__meta { font-size: 0.72rem; color: var(--c-muted); margin-bottom: 0.35rem; }
.ok-post h3 {
    margin: 0;
    font-size: 0.88rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ok-post h3 a { color: var(--c-text); }
.ok-post h3 a:hover { color: var(--c-primary); }

/* —— 页脚 —— */
.ok-footer {
    background: var(--c-dark);
    color: #a8a29e;
    padding: 3rem 0 1.5rem;
}
.ok-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}
.ok-footer h5 {
    color: #fff;
    font-size: 0.9rem;
    margin: 0 0 1rem;
}
.ok-footer ul { list-style: none; padding: 0; margin: 0; }
.ok-footer li { margin-bottom: 0.45rem; }
.ok-footer a { color: #a8a29e; font-size: 0.88rem; }
.ok-footer a:hover { color: var(--c-accent); }
.ok-footer__brand p { font-size: 0.88rem; margin: 1rem 0 0; line-height: 1.6; }
.ok-footer > .ok-wrap > h5 {
    color: #fff;
    font-size: 0.9rem;
    margin: 0 0 0.75rem;
}
.ok-footer__links-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0 0 1.25rem;
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.25rem;
}
.ok-footer__end {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.82rem;
}
.ok-footer__end p { margin: 0.3rem 0; }
.ok-footer__end a { color: #d6d3d1; }

/* —— 内页 / 列表 —— */
.ok-page-hero {
    padding: 2rem 0;
    background: linear-gradient(135deg, var(--c-dark), #4c0519);
    color: #fff;
    margin-bottom: 0;
}
.ok-page-hero h1 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.35rem, 4vw, 1.75rem);
}
.ok-page-hero p { margin: 0; opacity: 0.85; font-size: 0.95rem; max-width: 40em; }
.ok-main { padding: 2rem 0 3rem; }
.ok-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 1.5rem;
    align-items: start;
}
.ok-card-panel {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: 1.15rem 1.25rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
    overflow: hidden;
}
.ok-card-panel:last-child { margin-bottom: 0; }
.ok-list-row {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 1rem;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--c-line);
}
.ok-list-row:first-child { padding-top: 0; }
.ok-list-row:last-child { border-bottom: none; padding-bottom: 0; }
.ok-list-row img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: var(--r);
}
.ok-list-row__meta { font-size: 0.78rem; color: var(--c-muted); margin-bottom: 0.3rem; }
.ok-list-row h2 { margin: 0 0 0.35rem; font-size: 1.02rem; word-break: break-word; }
.ok-list-row h2 a { color: var(--c-text); font-weight: 700; }
.ok-list-row p { margin: 0; font-size: 0.88rem; color: var(--c-muted); line-height: 1.5; }
.ok-side-title { margin: 0 0 1rem; font-size: 1rem; font-weight: 800; color: var(--c-primary-d); }
.ok-side-list { list-style: none; padding: 0; margin: 0; }
.ok-side-list li {
    padding: 0.45rem 0;
    border-bottom: 1px solid var(--c-line);
    font-size: 0.9rem;
}
.ok-side-list li:last-child { border-bottom: none; }
.ok-side-hot {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    align-items: flex-start;
}
.ok-side-hot img {
    width: 68px;
    height: 52px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}
.ok-side-hot a:last-child {
    flex: 1;
    min-width: 0;
    font-size: 0.85rem;
    line-height: 1.4;
    word-break: break-word;
}
.ok-article h1 { font-size: clamp(1.2rem, 4vw, 1.45rem); margin: 0 0 0.75rem; }
.ok-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.82rem;
    color: var(--c-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--c-line);
}
.ok-cover {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: var(--r);
    margin-bottom: 1.25rem;
}
.ok-content {
    line-height: 1.8;
    font-size: 0.98rem;
    overflow-wrap: anywhere;
}
.ok-content img, .ok-content video { max-width: 100%; height: auto; }
.ok-content table { display: block; max-width: 100%; overflow-x: auto; }
.ok-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 1.25rem 0 0;
}
.ok-tags a {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    background: rgba(225, 29, 72, 0.08);
    border-radius: 999px;
    font-size: 0.78rem;
    color: var(--c-primary-d);
}
.ok-related {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 0.85rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--c-line);
}
.ok-related:last-child { border-bottom: none; }
.ok-related img { width: 100%; height: 68px; object-fit: cover; border-radius: 8px; }
.ok-related a.title { font-weight: 700; font-size: 0.9rem; color: var(--c-text); }
.ok-related p { margin: 0.25rem 0 0; font-size: 0.82rem; color: var(--c-muted); }
.ok-prenext { display: flex; flex-direction: column; gap: 0.75rem; }

@media (min-width: 576px) {
    .ok-prenext {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
        gap: 1rem;
    }
}
.pagebar .pagelist,
.zzpages .pagelist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    padding: 0;
    margin: 1.25rem 0 0;
}
.pagebar .pagelist a,
.zzpages .pagelist a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    min-height: 38px;
    padding: 0.3rem 0.6rem;
    border: 1px solid var(--c-line);
    border-radius: 8px;
    font-size: 0.85rem;
    background: var(--c-surface);
    color: var(--c-text);
}
.pagebar .pagelist a:hover { border-color: var(--c-primary); color: var(--c-primary); }

/* Grid 防溢出 */
.ok-wrap,
.ok-hero__grid > *,
.ok-bento > *,
.ok-matrix > *,
.ok-journey > *,
.ok-dl-grid > *,
.ok-shield-grid > *,
.ok-badges > *,
.ok-faq > *,
.ok-feed-grid > *,
.ok-metrics__grid > *,
.ok-footer__grid > *,
.ok-split > * {
    min-width: 0;
}

/* —— 响应式 —— */
@media (max-width: 1024px) {
    :root { --block-pad: 2.75rem; }

    .ok-bento__card,
    .ok-bento__card--wide { grid-column: span 6; }
    .ok-matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ok-dl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ok-dl-grid .ok-dl:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
    .ok-shield-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ok-feed-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .ok-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .ok-journey { grid-template-columns: 1fr; gap: 1.5rem; }
    .ok-steps-card { position: static; }
}

/* 平板 / 手机：折叠导航 */
@media (max-width: 900px) {
    :root {
        --block-pad: 2.5rem;
        --nav-h: 64px;
    }

    .ok-menu-btn { display: flex; }

    .ok-logo {
        flex-shrink: 0;
        max-width: 58%;
    }

    .ok-logo img {
        height: 36px;
        max-width: 100%;
        object-fit: contain;
    }

    .ok-nav {
        display: none;
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        width: 100%;
        max-width: none;
        flex-direction: column;
        align-items: stretch;
        flex-wrap: nowrap;
        gap: 0;
        background: var(--c-surface);
        border-bottom: 1px solid var(--c-line);
        padding: 0.35rem 0;
        max-height: calc(100dvh - var(--nav-h));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }

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

    .ok-nav li { border-bottom: 1px solid var(--c-line); }

    .ok-nav a {
        border-radius: 0;
        padding: 0.85rem 1.15rem;
        font-size: 0.9375rem;
        white-space: normal;
        line-height: 1.35;
    }

    body.ok-nav-open { overflow: hidden; }

    /* Hero */
    .ok-hero {
        padding: 2.5rem 0 3rem;
    }

    .ok-hero__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }

    .ok-hero__visual { order: -1; }

    .ok-hero__chip {
        max-width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        font-size: 0.72rem;
    }

    .ok-hero h1 {
        font-size: clamp(1.55rem, 6vw, 2.15rem);
    }

    .ok-hero__text {
        margin-left: auto;
        margin-right: auto;
        max-width: 100%;
        font-size: 0.95rem;
    }

    .ok-hero__cta {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        margin-bottom: 1.25rem;
    }

    .ok-hero__cta .ok-btn {
        width: 100%;
        max-width: 100%;
    }

    .ok-hero__pills {
        justify-content: center;
    }

    .ok-hero__frame {
        max-width: min(280px, 100%);
        margin: 0 auto;
    }

    .ok-hero__frame img {
        max-width: 200px;
    }

    /* 滚动条 */
    .ok-ticker__track {
        gap: 1.75rem;
        padding: 0.7rem 0;
    }

    /* 数据 */
    .ok-metrics__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem 0.65rem;
    }

    .ok-metrics__item {
        border-right: none;
        padding: 0.45rem 0.35rem;
    }

    /* 内容区 */
    .ok-bento__card,
    .ok-bento__card--wide { grid-column: span 12; }

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

    .ok-journey .ok-head--left {
        text-align: center;
    }

    .ok-dl-grid {
        grid-template-columns: 1fr;
    }

    .ok-dl-grid .ok-dl:last-child:nth-child(odd) {
        grid-column: auto;
        max-width: none;
    }

    .ok-shield-grid {
        grid-template-columns: 1fr;
    }

    .ok-badges {
        grid-template-columns: 1fr;
    }

    .ok-faq {
        grid-template-columns: 1fr;
    }

    .ok-feed-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .ok-feed-head .ok-btn {
        width: 100%;
    }

    .ok-feed-grid {
        grid-template-columns: 1fr;
    }

    .ok-head {
        margin-bottom: 1.75rem;
    }

    .ok-head h2 {
        font-size: clamp(1.35rem, 4.5vw, 1.65rem);
    }

    /* 页脚 */
    .ok-footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }

    .ok-footer__brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .ok-footer > .ok-wrap > h5 {
        text-align: center;
    }

    .ok-footer__links-row {
        justify-content: center;
    }

    .ok-footer__end p {
        line-height: 1.65;
        padding: 0 0.25rem;
    }

    .ok-footer__end a {
        display: inline-block;
        margin: 0.12rem 0;
    }

    /* 列表 / 内页 */
    .ok-page-hero {
        padding: 1.5rem 0;
    }

    .ok-page-hero h1 {
        font-size: clamp(1.2rem, 5vw, 1.5rem);
    }

    .ok-main {
        padding: 1.35rem 0 2.25rem;
    }

    .ok-split {
        grid-template-columns: 1fr;
    }

    .ok-list-row {
        grid-template-columns: 96px 1fr;
        gap: 0.75rem;
    }

    .ok-article-meta {
        flex-direction: column;
        gap: 0.3rem;
    }

    .ok-article-meta span {
        display: block;
    }

    .ok-cover {
        max-height: 220px;
    }

    .ok-related {
        grid-template-columns: 80px 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --nav-h: 58px;
        --block-pad: 2rem;
    }

    .ok-wrap {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }

    .ok-hero {
        padding: 2rem 0 2.5rem;
    }

    .ok-hero__frame {
        padding: 0.6rem;
    }

    .ok-hero h1 {
        font-size: clamp(1.4rem, 7vw, 1.85rem);
    }

    .ok-head {
        margin-bottom: 1.35rem;
    }

    .ok-metrics {
        padding: 1.35rem 0;
    }

    .ok-metrics b {
        font-size: clamp(1.25rem, 6vw, 1.55rem);
    }

    .ok-metrics span {
        font-size: 0.8rem;
    }

    .ok-bento__card,
    .ok-dl,
    .ok-shield,
    .ok-badge,
    .ok-card-panel {
        padding: 1rem 1.05rem;
    }

    .ok-matrix {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .ok-matrix__item {
        padding: 0.85rem 0.5rem;
    }

    .ok-matrix__item strong {
        font-size: 1.25rem;
    }

    .ok-faq summary {
        padding: 0.9rem 1rem;
        font-size: 0.9rem;
    }

    .ok-post img {
        height: 160px;
    }

    .ok-list-row {
        grid-template-columns: 1fr;
    }

    .ok-list-row img {
        height: 140px;
    }

    .ok-related {
        grid-template-columns: 1fr;
    }

    .ok-related img {
        height: 130px;
    }

    .ok-dl__top {
        flex-wrap: wrap;
    }

    .ok-footer {
        padding-bottom: max(1.25rem, env(safe-area-inset-bottom));
    }
}