@charset "utf-8";
/* ==========================================================================
   ToVisionAI 官网样式
   深色为主、单一强调色（品牌蓝 #1E90FF）、大字号标题 + 克制的中性灰正文。
   所有尺寸都用逻辑像素，不依赖任何第三方框架。
   ========================================================================== */

/* --- 1. 设计变量 ---------------------------------------------------------- */

:root {
    --ink: #07080b;
    --ink-2: #0b0d12;
    --ink-3: #10131a;
    --surface: rgba(255, 255, 255, .035);
    --surface-2: rgba(255, 255, 255, .06);
    --line: rgba(255, 255, 255, .09);
    --line-strong: rgba(255, 255, 255, .18);
    --text: #f4f6fa;
    --text-2: #a7aebb;
    --text-3: #747c8a;
    --brand: #1e90ff;
    --brand-soft: #52a9ff;
    --brand-deep: #0d6fd6;
    --warm: #ff8a3d;
    --ok: #35d39a;
    --radius-sm: 10px;
    --radius: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-1: 0 1px 2px rgba(0, 0, 0, .5), 0 10px 30px -18px rgba(0, 0, 0, .9);
    --shadow-2: 0 30px 80px -40px rgba(0, 0, 0, 1);
    --maxw: 1140px;
    --header-h: 66px;
    --font-sans: "Segoe UI Variable Text", "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    --font-mono: "Cascadia Mono", "Consolas", "JetBrains Mono", ui-monospace, "Courier New", monospace;
}

/* --- 2. 基础 ------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
    margin: 0;
    background: var(--ink);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* 页面顶部的品牌光晕，很淡，只在首屏看得见 */
body::before {
    content: "";
    position: fixed;
    inset: -20vh 0 auto 0;
    height: 120vh;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(58% 46% at 50% 0%, rgba(30, 144, 255, .22), rgba(30, 144, 255, 0) 70%),
        radial-gradient(38% 30% at 12% 6%, rgba(13, 111, 214, .16), rgba(13, 111, 214, 0) 72%);
}

body > * { position: relative; z-index: 1; }

img { max-width: 100%; height: auto; border: 0; }

a { color: var(--brand-soft); text-decoration: none; }
a:hover { color: #8cc6ff; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.02em; line-height: 1.2; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
figure, figcaption, blockquote, dl, dd { margin: 0; }
figure { margin-inline: 0; }

::selection { background: rgba(30, 144, 255, .35); color: #fff; }

:focus-visible {
    outline: 2px solid var(--brand-soft);
    outline-offset: 3px;
    border-radius: 6px;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 100;
    padding: 10px 16px;
    background: var(--brand);
    color: #fff;
    border-radius: var(--radius-sm);
    transition: top .18s ease;
}

.skip-link:focus { top: 12px; color: #fff; }

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

.u-hidden { display: none !important; }
.u-center { text-align: center; }
.u-mono { font-family: var(--font-mono); }
.u-nowrap { white-space: nowrap; }

/* --- 3. 顶部导航 --------------------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(7, 8, 11, .72);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease, background .2s ease;
}

.site-header.is-scrolled {
    background: rgba(7, 8, 11, .88);
    border-bottom-color: var(--line);
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: var(--header-h);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    font-size: 19px;
    letter-spacing: -.01em;
    flex: 0 0 auto;
}

.brand:hover { color: var(--text); }
.brand__mark { width: 28px; height: 28px; display: block; }
.brand__ver {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-3);
    letter-spacing: 0;
    margin-left: -2px;
    transform: translateY(1px);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0 auto;
}

.site-nav__link {
    display: block;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text-2);
    font-size: 15px;
    transition: color .16s ease, background .16s ease;
}

.site-nav__link:hover { color: var(--text); background: rgba(255, 255, 255, .05); }
.site-nav__link.is-active { color: var(--text); }

.site-header__actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.nav-toggle:hover { background: var(--surface-2); }
.nav-toggle svg { width: 18px; height: 18px; }

/* --- 4. 按钮 ------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.35;
    cursor: pointer;
    white-space: nowrap;
    transition: background .16s ease, border-color .16s ease, color .16s ease, transform .16s ease, box-shadow .16s ease;
}

.btn svg { width: 18px; height: 18px; flex: 0 0 auto; }
.btn:active { transform: translateY(1px); }

.btn--primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 10px 30px -14px rgba(30, 144, 255, .95);
}

.btn--primary:hover {
    background: var(--brand-soft);
    color: #fff;
    box-shadow: 0 14px 34px -14px rgba(30, 144, 255, 1);
}

.btn--ghost {
    background: rgba(255, 255, 255, .04);
    border-color: var(--line-strong);
    color: var(--text);
}

.btn--ghost:hover { background: rgba(255, 255, 255, .09); border-color: rgba(255, 255, 255, .3); color: #fff; }

.btn--quiet {
    background: transparent;
    border-color: var(--line);
    color: var(--text-2);
    font-weight: 500;
}

.btn--quiet:hover { color: var(--text); border-color: var(--line-strong); }

.btn--lg { padding: 16px 30px; font-size: 16px; border-radius: 16px; }
.btn--sm { padding: 9px 16px; font-size: 14px; border-radius: var(--radius-sm); }

.btn--pill {
    padding: 9px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    border-color: var(--line);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
}

.btn--pill:hover { background: rgba(255, 255, 255, .1); border-color: var(--line-strong); color: #fff; }

/* --- 5. 首屏 ------------------------------------------------------------- */

.hero { padding: 40px 0 0; text-align: center; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, .03);
    color: var(--text-2);
    font-size: 13.5px;
    letter-spacing: .01em;
}

.eyebrow .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 4px rgba(30, 144, 255, .16);
}

.hero__title {
    margin: 26px auto 0;
    max-width: 20em;
    font-size: clamp(38px, 5.3vw, 68px);
    line-height: 1.12;
    letter-spacing: -.03em;
}

.hero__title em {
    font-style: normal;
    background: linear-gradient(100deg, #6cb6ff 0%, #1e90ff 55%, #0d6fd6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__lede {
    margin: 24px auto 0;
    max-width: 40em;
    color: var(--text-2);
    font-size: 18px;
    line-height: 1.75;
}

.hero__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 34px;
}

.hero__meta {
    margin-top: 18px;
    color: var(--text-3);
    font-size: 14px;
}

.hero__meta span { white-space: nowrap; }
.hero__meta .sep { padding: 0 8px; color: rgba(255, 255, 255, .2); }

.pill-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.pill {
    padding: 7px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, .028);
    color: var(--text-2);
    font-size: 14px;
}

.hero__shot { margin: 46px auto 0; max-width: 960px; }

/* --- 6. 区块 ------------------------------------------------------------- */

.section { padding: 76px 0; }
.section--tight { padding: 52px 0; }

.section__head { max-width: 46em; }
.section__head--center { margin: 0 auto; text-align: center; }

.section__title {
    margin-top: 18px;
    font-size: clamp(28px, 3.3vw, 42px);
    letter-spacing: -.028em;
}

.section__lede {
    margin-top: 16px;
    color: var(--text-2);
    font-size: 17px;
}

.section__body { margin-top: 42px; }
.section__body--sm { margin-top: 34px; }

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--brand-soft);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .04em;
}

.section-label::before {
    content: "";
    width: 22px;
    height: 1px;
    background: currentColor;
    opacity: .6;
}

.section__head--center .section-label { justify-content: center; }

/* --- 7. 网格与卡片 ------------------------------------------------------- */

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
    position: relative;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .016));
    transition: border-color .18s ease, transform .18s ease, background .18s ease;
}

.card:hover {
    border-color: var(--line-strong);
    background: linear-gradient(180deg, rgba(255, 255, 255, .062), rgba(255, 255, 255, .022));
    transform: translateY(-2px);
}

.card__title {
    font-size: 18px;
    letter-spacing: -.01em;
    display: flex;
    align-items: center;
    gap: 9px;
}

.card__text {
    margin-top: 12px;
    color: var(--text-2);
    font-size: 15.5px;
    line-height: 1.75;
}

.card__index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    flex: 0 0 auto;
    border-radius: 8px;
    background: rgba(30, 144, 255, .16);
    color: var(--brand-soft);
    font-size: 14px;
    font-weight: 700;
}

.card--plain { padding: 22px 24px; }
.card--plain .card__title { font-size: 16.5px; }
.card--plain .card__text { margin-top: 8px; font-size: 15px; }

/* 痛点卡片：左侧一道暖色竖条 */
.card--pain { padding-left: 24px; }

.card--pain::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 22px;
    bottom: 22px;
    width: 2px;
    border-radius: 2px;
    background: var(--warm);
    opacity: .85;
}

.card--pain .card__title { color: #ffd0ac; }

/* 编号步骤卡 */
.card--step .card__index { width: 28px; height: 28px; border-radius: 50%; }

.card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    margin-bottom: 18px;
    border-radius: 12px;
    background: rgba(30, 144, 255, .12);
    border: 1px solid rgba(30, 144, 255, .22);
    color: var(--brand-soft);
}

.card__icon svg { width: 20px; height: 20px; }

/* --- 8. 左右图文（三步闭环） --------------------------------------------- */

.feature-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.32fr);
    gap: 56px;
    align-items: center;
    padding: 36px 0;
}

.feature-row + .feature-row { border-top: 1px solid var(--line); }
.feature-row--flip .feature-row__body { order: 2; }

.feature-row__kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-3);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.feature-row__title {
    margin-top: 14px;
    font-size: clamp(24px, 2.6vw, 32px);
    letter-spacing: -.025em;
}

.feature-row__text {
    margin-top: 16px;
    color: var(--text-2);
    font-size: 16.5px;
    line-height: 1.78;
}

.bullet-list { margin-top: 22px; list-style: none; display: grid; gap: 12px; }

.bullet-list li {
    position: relative;
    padding-left: 26px;
    color: var(--text-2);
    font-size: 15.5px;
    line-height: 1.7;
}

.bullet-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 11px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 4px rgba(30, 144, 255, .12);
}

.bullet-list strong { color: var(--text); font-weight: 600; }

/* --- 9. 截图 ------------------------------------------------------------- */

.shot {
    position: relative;
    margin: 0;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, .12);
    background: var(--ink-2);
    overflow: hidden;
    box-shadow: var(--shadow-2);
}

.shot::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07);
    pointer-events: none;
}

.shot img { display: block; width: 100%; }

.shot--zoomable img { cursor: zoom-in; }

.shot__zoom {
    position: absolute;
    right: 12px;
    bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    background: rgba(7, 8, 11, .78);
    backdrop-filter: blur(6px);
    color: var(--text-2);
    font-size: 12.5px;
    opacity: 0;
    transition: opacity .18s ease;
    pointer-events: none;
}

.shot__zoom svg { width: 14px; height: 14px; }
.shot--zoomable:hover .shot__zoom { opacity: 1; }

.shot__caption {
    margin-top: 14px;
    color: var(--text-3);
    font-size: 14px;
    text-align: center;
}

.shot-wrap { position: relative; }

.shot-wrap::before {
    content: "";
    position: absolute;
    inset: -18% -12% -30%;
    background: radial-gradient(50% 50% at 50% 45%, rgba(30, 144, 255, .3), rgba(30, 144, 255, 0) 72%);
    filter: blur(6px);
    z-index: -1;
    pointer-events: none;
}

/* 二维码（联系我们页）：两个码并排放，窄屏自动变一列；沿用截图那套框和「点击放大」 */
.qr-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 18px;
}

.qr-grid figure { margin: 0; width: 148px; }

/* --- 10. 提示条 --------------------------------------------------------- */

.note-bar {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 22px 26px;
    border: 1px solid rgba(30, 144, 255, .24);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(30, 144, 255, .1), rgba(30, 144, 255, .035));
}

.note-bar__icon { color: var(--brand-soft); flex: 0 0 auto; margin-top: 3px; }
.note-bar__icon svg { width: 20px; height: 20px; }

.note-bar__title { font-size: 16px; font-weight: 600; }

.note-bar__text {
    margin-top: 6px;
    color: var(--text-2);
    font-size: 15px;
}

.note-bar__list { margin-top: 16px; gap: 10px; }
.note-bar__list li { font-size: 14.5px; line-height: 1.75; }
.note-bar__list .code-inline { word-break: break-all; }

/* --- 11. 对比表 --------------------------------------------------------- */

.table-wrap {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, .018);
    overflow-x: auto;
}

table.compare {
    width: 100%;
    border-collapse: collapse;
    font-size: 15.5px;
    min-width: 620px;
}

table.compare th,
table.compare td {
    padding: 17px 22px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

table.compare thead th {
    color: var(--text-2);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .02em;
    background: rgba(255, 255, 255, .03);
}

table.compare thead th:last-child { color: var(--brand-soft); }

table.compare tbody tr:last-child td { border-bottom: 0; }
table.compare tbody th {
    color: var(--text);
    font-weight: 600;
    width: 22%;
    white-space: nowrap;
}

table.compare tbody td { color: var(--text-3); }
table.compare tbody td.hl { color: var(--text); }

/* --- 12. 场景 chips ----------------------------------------------------- */

.chips { display: flex; flex-wrap: wrap; gap: 12px; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 11px 20px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, .03);
    color: var(--text-2);
    font-size: 15px;
}

.chip::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    opacity: .8;
}

/* --- 13. CTA 面板 ------------------------------------------------------- */

.cta-panel {
    position: relative;
    padding: 64px 48px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(70% 130% at 50% 0%, rgba(30, 144, 255, .2), rgba(30, 144, 255, 0) 65%),
        linear-gradient(180deg, #12161f, #0a0c11);
    text-align: center;
    overflow: hidden;
    box-shadow: var(--shadow-2);
}

.cta-panel__title {
    font-size: clamp(26px, 3.2vw, 40px);
    letter-spacing: -.028em;
    line-height: 1.28;
}

.cta-panel__text {
    margin: 18px auto 0;
    max-width: 36em;
    color: var(--text-2);
    font-size: 17px;
}

.cta-panel__actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.cta-panel__foot { margin-top: 22px; color: var(--text-3); font-size: 14px; }

/* --- 14. 内页页头 ------------------------------------------------------- */

.page-head { padding: 52px 0 8px; }

.page-head__title {
    margin-top: 20px;
    max-width: 19em;
    font-size: clamp(32px, 4.2vw, 50px);
    letter-spacing: -.03em;
}

.page-head__lede {
    margin-top: 20px;
    max-width: 42em;
    color: var(--text-2);
    font-size: 18px;
    line-height: 1.75;
}

/* --- 15. FAQ ------------------------------------------------------------ */

.faq { display: grid; gap: 12px; }

.faq-item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, .022);
    overflow: hidden;
}

.faq-item[open] { border-color: var(--line-strong); background: rgba(255, 255, 255, .038); }

.faq-item > summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 17px 22px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    list-style: none;
}

.faq-item > summary::-webkit-details-marker { display: none; }

.faq-item > summary::after {
    content: "";
    width: 8px;
    height: 8px;
    margin-left: auto;
    border-right: 1.6px solid var(--text-3);
    border-bottom: 1.6px solid var(--text-3);
    transform: rotate(45deg) translate(-2px, -2px);
    transition: transform .2s ease;
}

.faq-item[open] > summary::after { transform: rotate(-135deg) translate(-2px, -2px); }

.faq-item__body {
    padding: 0 22px 20px;
    color: var(--text-2);
    font-size: 15.5px;
    line-height: 1.78;
}

.faq-item__body p + p { margin-top: 12px; }

.faq-item__body code,
.code-inline {
    padding: 2px 7px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: rgba(0, 0, 0, .35);
    font-family: var(--font-mono);
    font-size: 13.5px;
    color: #cfe4ff;
}

/* --- 16. 快捷键 / 文档表格 ---------------------------------------------- */

table.keys { width: 100%; border-collapse: collapse; font-size: 15px; }

table.keys caption {
    caption-side: top;
    text-align: left;
    padding: 0 0 12px;
    color: var(--text);
    font-size: 16px;
    font-weight: 600;
}

table.keys th,
table.keys td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

table.keys thead th { color: var(--text-3); font-size: 13.5px; font-weight: 600; }
table.keys tbody tr:last-child th,
table.keys tbody tr:last-child td { border-bottom: 0; }
table.keys tbody th { width: 30%; color: var(--text); font-weight: 500; white-space: nowrap; }
table.keys tbody td { color: var(--text-2); }

kbd {
    display: inline-block;
    min-width: 26px;
    padding: 2px 7px;
    border: 1px solid var(--line-strong);
    border-bottom-width: 2px;
    border-radius: 6px;
    background: rgba(255, 255, 255, .06);
    font-family: var(--font-sans);
    font-size: 13px;
    line-height: 1.6;
    text-align: center;
    color: var(--text);
}

/* --- 17. 表单 ---------------------------------------------------------- */

.form { display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }

.field { display: grid; gap: 8px; }

.field__label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-2);
}

.field__label .req { color: var(--brand-soft); margin-left: 4px; }

.field__input,
.field__textarea,
.field__select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, .34);
    color: var(--text);
    font-family: inherit;
    font-size: 15px;
    line-height: 1.5;
    transition: border-color .16s ease, background .16s ease;
}

.field__textarea { min-height: 132px; resize: vertical; }

.field__input:focus,
.field__textarea:focus,
.field__select:focus {
    outline: none;
    border-color: var(--brand);
    background: rgba(0, 0, 0, .5);
}

.field__input::placeholder,
.field__textarea::placeholder { color: var(--text-3); }

.field__hint { color: var(--text-3); font-size: 13px; }
.field__error { color: #ff9a8c; font-size: 13.5px; }

.field--invalid .field__input,
.field--invalid .field__textarea { border-color: rgba(255, 118, 100, .7); }

.form__foot {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.form__note { color: var(--text-3); font-size: 13.5px; }

.form-status {
    padding: 16px 20px;
    border-radius: var(--radius);
    font-size: 15px;
    line-height: 1.7;
    border: 1px solid;
}

.form-status--ok { border-color: rgba(53, 211, 154, .35); background: rgba(53, 211, 154, .08); color: #b6f2da; }
.form-status--warn { border-color: rgba(255, 138, 61, .35); background: rgba(255, 138, 61, .08); color: #ffd7b8; }
.form-status--err { border-color: rgba(255, 118, 100, .38); background: rgba(255, 118, 100, .08); color: #ffc3b9; }

.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* --- 18. 信息列表（关于我们） ------------------------------------------- */

.info-list { display: grid; gap: 2px; }

.info-list__item {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15.5px;
}

.info-list__item:last-child { border-bottom: 0; }
.info-list__key { color: var(--text-3); }
.info-list__val { color: var(--text); }

/* --- 19. 页脚 ---------------------------------------------------------- */

.site-footer {
    margin-top: 40px;
    border-top: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 255, 255, .012), rgba(0, 0, 0, .35));
}

.site-footer__top {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
    gap: 40px;
    padding: 60px 0 44px;
}

.site-footer__brand { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; }
.site-footer__brand img { width: 26px; height: 26px; }

.site-footer__desc {
    margin-top: 16px;
    max-width: 30em;
    color: var(--text-3);
    font-size: 14.5px;
    line-height: 1.75;
}

.footer-col__title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: .02em;
}

.footer-col ul { margin-top: 16px; list-style: none; display: grid; gap: 11px; }
.footer-col a { color: var(--text-3); font-size: 14.5px; }
.footer-col a:hover { color: var(--text); }

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    padding: 22px 0 34px;
    border-top: 1px solid var(--line);
    color: var(--text-3);
    font-size: 13.5px;
}

.site-footer__bottom a { color: var(--text-3); }
.site-footer__bottom a:hover { color: var(--text-2); }

/* --- 20. 动效 ---------------------------------------------------------- */

.js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .6s cubic-bezier(.22, .61, .36, 1), transform .6s cubic-bezier(.22, .61, .36, 1);
}

.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .js .reveal { opacity: 1; transform: none; transition: none; }
    * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* --- 21. 响应式 -------------------------------------------------------- */

@media (max-width: 1080px) {
    .feature-row { grid-template-columns: 1fr; gap: 32px; padding: 36px 0; }
    .feature-row--flip .feature-row__body { order: 0; }
    .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .site-footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
}

@media (max-width: 900px) {
    .site-nav {
        position: absolute;
        left: 0;
        right: 0;
        top: var(--header-h);
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        margin: 0;
        padding: 14px 20px 20px;
        background: rgba(9, 10, 14, .97);
        border-bottom: 1px solid var(--line);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        display: none;
    }

    .site-nav.is-open { display: flex; }
    .site-nav__link { padding: 12px 14px; font-size: 16px; }
    .nav-toggle { display: inline-flex; }
    .site-header__actions .btn--pill { display: none; }
    .site-header__inner { justify-content: space-between; }
    .brand { margin-right: auto; }
}

@media (max-width: 760px) {
    :root { --header-h: 60px; }

    .container { padding: 0 18px; }
    .hero { padding-top: 30px; }
    .hero__shot { margin-top: 40px; }
    .section { padding: 56px 0; }
    .section--tight { padding: 40px 0; }
    .section__body { margin-top: 30px; }
    .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
    .form__row { grid-template-columns: 1fr; }
    .cta-panel { padding: 44px 24px; }
    .hero__actions .btn--lg { width: 100%; }
    .grid { gap: 16px; }
    .card { padding: 22px; }
    .site-footer__top { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 34px; }
    .info-list__item { grid-template-columns: 1fr; gap: 4px; }
    .table-wrap { border-radius: var(--radius); }
    table.compare th, table.compare td { padding: 14px 16px; }
}

/* --- 22. 打印 ---------------------------------------------------------- */

@media print {
    body { background: #fff; color: #111; }
    body::before, .site-header, .site-footer, .cta-panel { display: none !important; }
    a { color: #0b5cab; }
}