/* ============================================================
   Next Terminal 官网全局样式
   设计基调：B 端企业风 —— 亮色底 + 企业蓝 #1063FF + 结构化信息布局。
   约束：旧站两个品牌色值全局禁用。
   ============================================================ */

:root {
    --bg: #ffffff;
    --bg-soft: #f5f8fc;
    --surface: #ffffff;
    --line: #e4e9f2;
    --line-soft: #edf1f7;
    --text: #0f1b33;
    --body: #47536b;
    --muted: #69748c;
    --primary: #1063ff;
    --primary-deep: #0a4dd6;
    --primary-soft: #eaf1ff;
    --accent: var(--primary);
    --accent-2: var(--primary);
    --ok: #0c9a5b;
    --navy: #0b1e4b;
    --shadow: 0 24px 60px rgba(20, 40, 90, 0.1);
    --shadow-soft: 0 10px 30px rgba(20, 40, 90, 0.07);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    color-scheme: light;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family:
        Inter,
        ui-sans-serif,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "PingFang SC",
        "Microsoft YaHei",
        sans-serif;
    line-height: 1.6;
    font-feature-settings: "cv01", "ss03";
    text-rendering: optimizeLegibility;
}

::selection {
    background: rgba(16, 99, 255, 0.16);
    color: var(--text);
}

a {
    color: inherit;
}

img {
    max-width: 100%;
    display: block;
}

:where(a, summary):focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 7px;
}

.wrap {
    width: min(1200px, calc(100% - 48px));
    margin-inline: auto;
}

/* ---------------- header ---------------- */

.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--line-soft);
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(16px);
}

.nav-inner {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 650;
    letter-spacing: -0.02em;
    flex: none;
    color: var(--text);
}

.brand img {
    width: 30px;
    height: 30px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    color: #4d5a75;
    font-size: 14px;
    font-weight: 500;
}

.nav-links a .ext-icon,
.mobile-menu nav a .ext-icon {
    width: 11px;
    height: 11px;
    margin-left: 4px;
    vertical-align: -1px;
    opacity: 0.65;
}

.nav-links a,
.mobile-menu a {
    text-decoration: none;
    transition:
        color 0.18s,
        background 0.18s;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a[aria-current="page"] {
    color: var(--primary);
    font-weight: 600;
}

.nav-lang {
    flex: none;
    padding: 7px 12px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #fff;
    color: #57637d;
    text-decoration: none;
    font-size: 12px;
    font-weight: 550;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    transition:
        color 0.18s,
        border-color 0.18s;
}

.nav-lang:hover {
    color: var(--primary);
    border-color: rgba(16, 99, 255, 0.4);
}

.nav-signin {
    padding: 7px 14px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: transparent;
    color: #4d5a75;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition:
        color 0.18s,
        background 0.18s;
}

.nav-signin:hover {
    color: var(--primary);
    background: var(--primary-soft);
}

.mobile-menu .mobile-signin {
    margin-top: 6px;
    border: 1px solid transparent;
    background: transparent;
    color: #4d5a75;
    font-weight: 500;
}

.mobile-menu .mobile-signin:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

.mobile-menu {
    display: none;
    position: relative;
}

.mobile-menu summary {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    list-style: none;
    cursor: pointer;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.mobile-menu summary::-webkit-details-marker {
    display: none;
}

.mobile-menu nav {
    position: absolute;
    right: 0;
    top: 48px;
    width: 232px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #fff;
    box-shadow: var(--shadow);
}

.mobile-menu nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 7px;
    color: #4d5a75;
}

.mobile-menu nav a:hover {
    background: var(--primary-soft);
    color: var(--primary);
}

/* ---------------- hero（首页） ---------------- */

.hero {
    position: relative;
    overflow: hidden;
    padding: 88px 0 72px;
    background:
        radial-gradient(900px 420px at 88% -10%, rgba(16, 99, 255, 0.07), transparent 70%),
        radial-gradient(700px 360px at -8% 0%, rgba(16, 99, 255, 0.05), transparent 70%),
        var(--bg);
}

.hero:before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(16, 60, 140, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 60, 140, 0.045) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(1100px 560px at 24% 0%, #000 0%, transparent 80%);
    mask-image: radial-gradient(1100px 560px at 24% 0%, #000 0%, transparent 80%);
    pointer-events: none;
}

.hero .wrap {
    position: relative;
    z-index: 1;
}

.hero-head {
    margin-bottom: 44px;
}

.hero-title {
    margin: 20px 0 0;
    font-size: clamp(26px, 3.5vw, 44px);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.035em;
    color: var(--text);
    white-space: nowrap;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 42fr) minmax(0, 58fr);
    align-items: center;
    gap: 56px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid rgba(16, 99, 255, 0.22);
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.eyebrow:before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

.lead {
    max-width: 480px;
    margin: 0 0 30px;
    color: var(--body);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.8;
}

.actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 20px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: #33415e;
    text-decoration: none;
    font-size: 14px;
    font-weight: 550;
    box-shadow: 0 1px 2px rgba(20, 40, 90, 0.04);
    transition:
        transform 0.18s,
        background 0.18s,
        border-color 0.18s,
        color 0.18s,
        box-shadow 0.18s;
}

.btn:hover {
    transform: translateY(-1px);
    border-color: rgba(16, 99, 255, 0.45);
    color: var(--primary);
}

.btn.primary {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 22px rgba(16, 99, 255, 0.3);
}

.btn.primary:hover {
    background: #2f74ff;
    color: #fff;
    box-shadow: 0 12px 28px rgba(16, 99, 255, 0.38);
}

.btn.inverse {
    border-color: rgba(255, 255, 255, 0.4);
    background: transparent;
    color: #fff;
    box-shadow: none;
}

.btn.inverse:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.btn.sm {
    min-height: 38px;
    padding: 0 14px;
    font-size: 13px;
}

.protocols {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.protocols span {
    padding: 5px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg-soft);
    color: #5c6884;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 11px;
}

.product-preview {
    position: relative;
}

.product-preview:before {
    content: "";
    position: absolute;
    left: 50%;
    top: -30px;
    width: 110%;
    height: 70%;
    transform: translateX(-50%);
    background: radial-gradient(60% 80% at 50% 20%, rgba(16, 99, 255, 0.1), transparent 75%);
    z-index: -1;
    pointer-events: none;
}

.preview-frame {
    overflow: hidden;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg-soft);
    box-shadow:
        0 30px 70px rgba(15, 33, 76, 0.14),
        0 4px 14px rgba(15, 33, 76, 0.06);
}

.preview-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1732/1083;
    border: 1px solid var(--line-soft);
    border-radius: 8px;
    background: #fff;
}

.preview-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}


/* ---------------- community row (hero) ---------------- */

.community-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.community-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    color: #33415e;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 0.18s, color 0.18s, background 0.18s, transform 0.15s;
}

.community-pill:hover {
    border-color: rgba(16, 99, 255, 0.35);
    color: var(--primary);
    background: var(--primary-soft);
    transform: translateY(-1px);
}

.community-pill svg {
    width: 16px;
    height: 16px;
    flex: none;
}

.community-pill-hint {
    color: var(--muted);
    font-weight: 500;
    font-size: 12px;
}

.wechat-wrap {
    position: relative;
}

.wechat-popover {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px);
    transform: translateX(-50%) translateY(4px);
    width: 220px;
    padding: 10px 10px 8px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 18px 40px rgba(15, 33, 76, 0.14);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s, transform 0.18s, visibility 0.18s;
    z-index: 60;
}

.wechat-popover.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.wechat-popover-card {
    padding: 6px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--line-soft);
}

.wechat-popover-card img {
    width: 100%;
    border-radius: 8px;
    display: block;
}

.wechat-popover-hint {
    display: block;
    margin-top: 7px;
    text-align: center;
    color: var(--muted);
    font-size: 11px;
}

.wechat-popover-arrow {
    position: absolute;
    left: 50%;
    bottom: -6px;
    width: 12px;
    height: 12px;
    transform: translateX(-50%) rotate(45deg);
    background: #fff;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

/* ---------------- 信任条 ---------------- */

.proof {
    background: var(--bg-soft);
    border-block: 1px solid var(--line-soft);
}

.proof .wrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
}

.proof div {
    padding: 26px 24px;
    background: var(--bg-soft);
    border-left: 1px solid var(--line-soft);
}

.proof div:first-child {
    border-left: none;
}

.proof strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text);
    font-size: 15px;
    font-weight: 650;
}

.proof span {
    color: var(--muted);
    font-size: 13px;
}

/* ---------------- 子页头部 ---------------- */

.page-head {
    position: relative;
    overflow: hidden;
    padding: 72px 0 44px;
    background:
        radial-gradient(800px 320px at 12% -20%, rgba(16, 99, 255, 0.06), transparent 72%),
        var(--bg);
}

/* 无 eyebrow 标签的页面（价格/案例）：标题更靠上 */
.page-head.tight {
    padding: 48px 0 36px;
}

.page-head .eyebrow {
    margin-bottom: 20px;
}

.page-head h1 {
    max-width: 900px;
    margin: 0 0 16px;
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.035em;
    color: var(--text);
}

.page-head .lead {
    margin-bottom: 0;
    text-align: left;
    max-width: 760px;
}

/* ---------------- 通用 section / 卡片 ---------------- */

.section {
    padding: 96px 0;
}

.section + .section {
    border-top: 1px solid var(--line-soft);
}

.section.alt {
    background: var(--bg-soft);
    border-top: 1px solid var(--line-soft);
    border-bottom: 1px solid var(--line-soft);
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 520px);
    align-items: end;
    gap: 48px;
    margin-bottom: 46px;
}

.section h2 {
    margin: 0;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.035em;
    color: var(--text);
    text-wrap: balance;
}

.section-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.demo-lead-nowrap {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    white-space: nowrap;
}

@media (max-width: 900px) {
    .demo-lead-nowrap {
        white-space: normal;
    }
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

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

.card {
    min-height: 210px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(20, 40, 90, 0.04);
    transition:
        transform 0.2s,
        border-color 0.2s,
        box-shadow 0.2s;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(16, 99, 255, 0.35);
    box-shadow: var(--shadow-soft);
}

.icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    margin-bottom: 28px;
    border: 1px solid rgba(16, 99, 255, 0.2);
    border-radius: 9px;
    background: var(--primary-soft);
    color: var(--primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12px;
    font-weight: 600;
}

.card h3 {
    margin: 0 0 9px;
    font-size: 18px;
    font-weight: 620;
    letter-spacing: -0.02em;
    color: var(--text);
}

.card p {
    margin: 0;
    color: var(--body);
    font-size: 14px;
    line-height: 1.7;
}

.card a {
    display: inline-block;
    margin-top: 16px;
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 550;
}

.card a:hover {
    color: var(--primary-deep);
    text-decoration: underline;
}

.steps {
    counter-reset: step;
    border-bottom: 1px solid var(--line);
}

.step {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 18px;
    padding: 25px 4px;
    border-top: 1px solid var(--line);
}

.step:before {
    counter-increment: step;
    content: "0" counter(step);
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(16, 99, 255, 0.22);
    border-radius: 9px;
    background: var(--primary-soft);
    color: var(--primary);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 12px;
    font-weight: 600;
}

.step h3 {
    margin: 0 0 5px;
    font-size: 18px;
    color: var(--text);
}

.step p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

/* ---------------- 在线演示（首页） ---------------- */

.demo-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    padding: 28px 30px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(20, 40, 90, 0.04);
}

.demo-actions {
    flex: none;
}

.demo-accounts {
    display: grid;
    gap: 10px;
    flex: 1;
    min-width: 300px;
    max-width: 460px;
}

.demo-account {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--bg-soft);
}

.demo-role {
    display: block;
    color: var(--muted);
    font-size: 12px;
}

.demo-credential {
    display: block;
    margin-top: 2px;
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 13px;
    font-weight: 600;
}

.copy-btn {
    flex: none;
    min-height: 34px;
    padding: 0 14px;
    border: 1px solid rgba(16, 99, 255, 0.35);
    border-radius: 7px;
    background: #fff;
    color: var(--primary);
    font-size: 13px;
    font-weight: 550;
    cursor: pointer;
    transition:
        background 0.18s,
        color 0.18s;
}

.copy-btn:hover {
    background: var(--primary-soft);
}

.copy-btn.copied {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* ---------------- CTA（深蓝企业横幅） ---------------- */

.cta {
    position: relative;
    overflow: hidden;
    padding: 72px 34px;
    border: 1px solid rgba(9, 27, 68, 0.4);
    border-radius: 16px;
    background:
        radial-gradient(720px 300px at 50% -80px, rgba(64, 132, 255, 0.35), transparent 72%),
        var(--navy);
    text-align: center;
}

.cta h2 {
    margin: 0;
    color: #fff;
}

.cta p {
    max-width: 640px;
    margin: 14px auto 28px;
    color: #b8c8e8;
}

/* ---------------- 定价页 ---------------- */

.page-head-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.free-note {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: none;
    margin-top: 8px;
    padding: 10px 12px 10px 16px;
    border: 1px solid rgba(12, 154, 91, 0.28);
    border-radius: 10px;
    background: #f0fbf5;
}

.free-note strong {
    display: block;
    font-size: 12.5px;
    font-weight: 650;
    color: var(--ok);
}

.free-note span {
    display: block;
    margin-top: 1px;
    color: #3f7a5f;
    font-size: 12px;
    line-height: 1.5;
}

.free-note .btn {
    min-height: 32px;
    padding: 0 12px;
    font-size: 12.5px;
}

.price-panel {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(20, 40, 90, 0.04);
}

.price-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line-soft);
}

.price-head h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 650;
    color: var(--text);
}

.price-head .currency {
    color: var(--muted);
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.price-table th {
    padding: 10px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--bg-soft);
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-align: left;
    white-space: nowrap;
}

.price-table th.c,
.price-table td.c {
    text-align: center;
}

.price-table td {
    padding: 5px 10px;
    border-bottom: 1px solid var(--line-soft);
    color: var(--body);
}

.price-table tr:last-child td {
    border-bottom: none;
}

.plan-name {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}

.price-buy {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    padding: 7px 12px;
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    white-space: nowrap;
    transition:
        border-color 0.18s,
        background 0.18s;
}

.price-buy:hover {
    border-color: rgba(16, 99, 255, 0.4);
    background: var(--primary-soft);
}

.price-buy .amount {
    display: inline-flex;
    align-items: baseline;
    gap: 3px;
}

.price-buy .currency-sign {
    font-size: 12px;
    color: var(--muted);
    font-weight: 600;
}

.price-buy .value {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.price-buy .suffix {
    font-size: 11px;
    color: var(--muted);
}

.price-buy .hint {
    color: var(--muted);
    font-size: 11px;
}

.price-buy:hover .hint {
    color: var(--primary);
}

.price-buy[aria-disabled="true"] {
    cursor: default;
    opacity: 0.55;
}

.price-buy[aria-disabled="true"]:hover {
    border-color: transparent;
    background: none;
}

.sync-warning {
    margin-bottom: 16px;
    padding: 13px 18px;
    border: 1px solid rgba(217, 119, 6, 0.3);
    border-radius: 9px;
    background: #fdf8ec;
    color: #8a6116;
    font-size: 13px;
}

.feature-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 36px 40px;
    padding: 22px 18px 26px;
    border-top: 1px solid var(--line-soft);
}

.feature-group h3 {
    margin: 0 0 12px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.feature-group ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.feature-group li {
    position: relative;
    padding-left: 22px;
    color: var(--body);
    font-size: 13.5px;
    line-height: 1.55;
}

.feature-group li + li {
    margin-top: 8px;
}

.feature-group li:before {
    content: "";
    position: absolute;
    left: 2px;
    top: 8px;
    width: 8px;
    height: 5px;
    border-left: 1.6px solid var(--primary);
    border-bottom: 1.6px solid var(--primary);
    transform: rotate(-45deg);
}


/* ---------------- 定价页增购弹窗 ---------------- */

.plan-name {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.plan-addon-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    font: inherit;
    color: inherit;
}

.plan-addon-btn svg {
    width: 14px;
    height: 14px;
    color: var(--muted);
    flex: none;
}

.plan-addon-btn:hover svg {
    color: var(--primary);
}

.plan-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border: 1px solid rgba(16, 99, 255, 0.22);
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.addon-dialog {
    width: min(420px, calc(100% - 32px));
    padding: 22px 22px 20px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    color: var(--text);
    box-shadow: 0 24px 60px rgba(15, 33, 76, 0.18);
}

.addon-dialog::backdrop {
    background: rgba(15, 27, 51, 0.42);
    backdrop-filter: blur(2px);
}

.addon-dialog-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.addon-dialog-head h2 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.addon-dialog-close {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--muted);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
}

.addon-dialog-close:hover {
    color: var(--text);
    border-color: var(--line);
    background: var(--bg-soft);
}

.addon-dialog-desc {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.addon-table {
    width: 100%;
    margin-top: 14px;
    border-collapse: collapse;
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
    font-size: 13px;
}

.addon-table th {
    padding: 9px 12px;
    background: var(--bg-soft);
    color: var(--muted);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

.addon-table th.c,
.addon-table td.c {
    text-align: center;
}

.addon-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--line-soft);
    color: var(--body);
    white-space: nowrap;
}

.addon-table tbody tr:last-child td {
    border-bottom: none;
}

.addon-table td.c {
    font-weight: 600;
    color: var(--text);
}

.addon-hint {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.6;
}

/* ---------------- 案例页 ---------------- */

.cases-panel {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(20, 40, 90, 0.04);
}

.cases-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.cases-table th {
    padding: 13px 20px;
    border-bottom: 1px solid var(--line);
    background: var(--bg-soft);
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-align: left;
    white-space: nowrap;
}

.cases-table td {
    padding: 13px 20px;
    border-bottom: 1px solid var(--line-soft);
    vertical-align: top;
    color: var(--body);
}

.cases-table tr:last-child td {
    border-bottom: none;
}

.cases-table .company {
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
    color: var(--text);
}

.cases-table .text {
    max-width: 460px;
    color: var(--body);
    line-height: 1.6;
}

.cases-table .date {
    color: var(--muted);
    font-size: 13px;
    white-space: nowrap;
}

.cases-status {
    padding: 56px 20px;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
}

.cases-status.error {
    color: #c2410c;
}

.cases-status .retry {
    display: inline-block;
    margin-top: 12px;
    padding: 7px 16px;
    border: 1px solid rgba(16, 99, 255, 0.35);
    border-radius: 7px;
    color: var(--primary);
    text-decoration: none;
    font-size: 13px;
}

.cases-status .retry:hover {
    background: var(--primary-soft);
}

.skeleton-row {
    position: relative;
    overflow: hidden;
}

.skeleton-row:after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(70, 100, 160, 0.1);
    animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 0.35;
    }
    50% {
        opacity: 1;
    }
}

/* ---------------- 免费企业版授权 ---------------- */

.license-page-wrap {
    max-width: 880px;
}

.license-page-section {
    padding-top: 0;
}

.license-requirements {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
}

.license-requirement-block {
    padding: 30px 34px;
}

.license-requirement-block + .license-requirement-block {
    border-top: 1px solid var(--line-soft);
}

.license-requirement-block h2 {
    margin: 0 0 12px;
    color: var(--text);
    font-size: 19px;
    font-weight: 660;
}

.license-requirement-block p {
    margin: 0;
    color: var(--body);
    line-height: 1.8;
}

.license-rules {
    display: grid;
    gap: 12px;
    margin: 0;
    padding-left: 24px;
    color: var(--body);
    line-height: 1.75;
}

.license-rules li {
    padding-left: 6px;
}

.license-rules li::marker {
    color: var(--primary);
    font-weight: 650;
}

.license-apply-action {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 26px 34px;
    border-top: 1px solid rgba(16, 99, 255, 0.18);
    background: var(--primary-soft);
}

.license-apply-action p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.6;
}

@media (max-width: 640px) {
    .license-requirement-block,
    .license-apply-action {
        padding: 24px;
    }

    .license-apply-action {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }
}

/* ---------------- 法务页（条款/隐私） ---------------- */

/* 标题与正文共用同一栏，左右边缘对齐 */
.legal-col {
    max-width: 800px;
}

.legal-col h2 {
    margin: 44px 0 14px;
    font-size: 19px;
    font-weight: 660;
    letter-spacing: -0.01em;
    color: var(--text);
}

.legal-col h2:first-child {
    margin-top: 0;
}

.legal-col h3 {
    margin: 28px 0 10px;
    font-size: 15px;
    font-weight: 620;
    color: var(--text);
}

.legal-col p {
    margin: 0 0 14px;
    color: var(--body);
    font-size: 15px;
    line-height: 1.85;
}

/* ---------------- footer ---------------- */

.footer {
    padding: 42px 0;
    color: #6c7890;
    background: var(--bg-soft);
    border-top: 1px solid var(--line-soft);
    font-size: 12px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 25px;
}

.footer-top strong {
    color: var(--text);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.footer a {
    text-decoration: none;
}

.footer a:hover {
    color: var(--primary);
}

.filings {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    padding-top: 21px;
    border-top: 1px solid var(--line-soft);
    text-align: center;
}

.filings a {
    color: inherit;
}

.filings .police-filing {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.filings .police-filing img {
    width: 14px;
    height: 14px;
    opacity: 0.9;
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1024px) {
    .hero-title {
        white-space: normal;
    }
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .lead {
        max-width: none;
    }
    .nav-links {
        display: none;
    }
    .mobile-menu {
        display: block;
    }
    .grid,
    .grid.three {
        grid-template-columns: 1fr;
    }
    .section-heading {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .proof .wrap {
        grid-template-columns: repeat(2, 1fr);
    }
    .proof div {
        border-left: none;
        border-top: 1px solid var(--line-soft);
    }
    .section {
        padding: 68px 0;
    }
    .card {
        min-height: auto;
    }
    .page-head {
        padding: 56px 0 36px;
    }
}

@media (max-width: 520px) {
    .wrap,
    .product-preview {
        width: min(100% - 28px, 1200px);
    }
    .hero {
        padding: 56px 0 52px;
    }
    .hero-title {
        font-size: clamp(24px, 7vw, 30px);
    }
    .actions {
        display: grid;
    }
    .btn {
        width: 100%;
    }
    .proof .wrap {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 54px 0;
    }
    .card {
        padding: 23px;
    }
    .footer-top {
        display: block;
    }
    .footer-links {
        margin-top: 16px;
    }
    .filings {
        display: grid;
        gap: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}

/* ============================================================
   更新日志 /changelog
   ============================================================ */

.changelog-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.changelog-item {
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(20, 40, 90, 0.04);
    padding: 20px 24px 16px;
    scroll-margin-top: 96px;
}

.changelog-item-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line-soft);
}

.changelog-item-head h2 {
    margin: 0;
    font-size: 18px;
    font-weight: 680;
    letter-spacing: -0.01em;
    color: var(--text);
}

.changelog-item-head time {
    color: var(--muted);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.changelog-body {
    padding-top: 4px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--body);
}

.changelog-body h3 {
    margin: 16px 0 8px;
    font-size: 15px;
    font-weight: 640;
    color: var(--text);
}

.changelog-body ul,
.changelog-body ol {
    margin: 8px 0 12px;
    padding-left: 20px;
}

.changelog-body li {
    margin: 4px 0;
}

.changelog-body p {
    margin: 8px 0 12px;
}

.changelog-body code {
    padding: 1px 6px;
    border-radius: 5px;
    background: var(--bg-soft);
    border: 1px solid var(--line-soft);
    font-size: 13px;
}

.changelog-body pre {
    overflow-x: auto;
    padding: 12px 14px;
    border-radius: 9px;
    background: var(--bg-soft);
    border: 1px solid var(--line-soft);
}

.changelog-body pre code {
    padding: 0;
    border: 0;
    background: none;
}

.changelog-status {
    padding: 48px 20px;
    border: 1px dashed var(--line);
    border-radius: 13px;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
}

.changelog-item-head h2 a {
    color: inherit;
    text-decoration: none;
}

.changelog-item-head h2 a:hover {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 5px;
}

/* ============================================================
   404 页
   ============================================================ */

.nf {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 64px 0;
}

.nf-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 560px;
    text-align: center;
}

.nf-code {
    margin: 0;
    font-size: clamp(88px, 18vw, 132px);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.nf h1 {
    margin: 18px 0 10px;
    font-size: 27px;
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--text);
}

.nf-desc {
    margin: 0;
    color: var(--body);
    font-size: 15px;
    line-height: 1.8;
}

.nf .actions {
    justify-content: center;
    margin-top: 28px;
}

.nf-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 18px;
    margin-top: 22px;
    font-size: 13.5px;
}

.nf-links a {
    color: var(--body);
    text-decoration: none;
}

.nf-links a:hover {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}