/* ==========================================================================
   猫帧探 CatFrame 官网 · 全站样式
   前台页面（index / features / download / pricing）与公共布局（src/layout.php）共用。
   无外部依赖：不含 @import、不含网络字体、不含图标库。
   ========================================================================== */

:root {
    --brand:        #2563eb;
    --brand-dark:   #1d4ed8;
    --brand-soft:   #eef4ff;
    --brand-line:   #c7dbff;
    --bg:           #f5f6f8;
    --card:         #ffffff;
    --text:         #1f2430;
    --text-soft:    #374151;
    --muted:        #6b7280;
    --line:         #e5e7eb;
    --line-soft:    #f1f3f7;
    --ok:           #16a34a;
    --ok-soft:      #e8f7ed;
    --warn:         #92400e;
    --warn-soft:    #fffbeb;
    --warn-line:    #fde68a;
    --radius:       12px;
    --radius-lg:    14px;
    --shadow-sm:    0 1px 2px rgba(16, 24, 40, .05);
    --shadow:       0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
    --shadow-lg:    0 14px 34px rgba(37, 99, 235, .18);
    --max:          1100px;
    --font:         -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
    --mono:         ui-monospace, SFMono-Regular, Consolas, "Courier New", monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.6;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.3; }

p { margin: 0 0 12px; }

code {
    font-family: var(--mono);
    font-size: .92em;
    background: var(--line-soft);
    border-radius: 5px;
    padding: 2px 6px;
}

pre {
    margin: 0;
    font-family: var(--mono);
}

img, svg { max-width: 100%; }

:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 2px;
}

/* ------------------------------------------------------------- 导航 nav */
.nav {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: saturate(180%) blur(8px);
}

.nav__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 20px;
    min-height: 64px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    flex: 0 0 auto;
}
.nav__brand:hover { text-decoration: none; }

/* 品牌标：图标用 /assets/logo.svg（矢量线条猫），中文名用 HTML 文字 ——
   网页里文字交给浏览器渲染才清晰、可选中、可被搜索引擎读到，也便于改文案 */
.nav__logo-img {
    display: block;
    height: 34px;
    width: 34px;
}

.nav__name {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: .5px;
    line-height: 1;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

.nav__link {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--muted);
    font-size: 14.5px;
    white-space: nowrap;
    transition: background .15s, color .15s;
}
.nav__link:hover {
    background: var(--brand-soft);
    color: var(--brand);
    text-decoration: none;
}
.nav__link.active {
    background: var(--brand-soft);
    color: var(--brand);
    font-weight: 600;
}

.nav__cta {
    display: flex;
    align-items: center;
    margin-left: 12px;
    flex: 0 0 auto;
}

/* -------------------------------------------------------------- 按钮 btn */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    transition: background .15s, border-color .15s, color .15s, box-shadow .15s, transform .1s;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn--primary {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    box-shadow: 0 6px 16px rgba(37, 99, 235, .22);
}
.btn--primary:hover {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
    color: #fff;
}

.btn--sm {
    padding: 7px 13px;
    border-radius: 8px;
    font-size: 13.5px;
    box-shadow: none;
}

.btn--lg {
    padding: 13px 24px;
    font-size: 16px;
    border-radius: 11px;
}

.btn--ghost {
    background: #fff;
    border-color: var(--line);
    color: var(--text-soft);
    box-shadow: var(--shadow-sm);
}
.btn--ghost:hover {
    border-color: var(--brand-line);
    color: var(--brand);
    background: var(--brand-soft);
}

.btn--light {
    background: #fff;
    border-color: #fff;
    color: var(--brand);
}
.btn--light:hover {
    background: #f2f6ff;
    border-color: #f2f6ff;
    color: var(--brand-dark);
}

.btn--muted {
    background: #eef1f6;
    border-color: #e3e7ee;
    color: var(--muted);
    box-shadow: none;
    cursor: default;
}
.btn--muted:hover { background: #eef1f6; color: var(--muted); }

.btn--block { width: 100%; }

/* ------------------------------------------------------- 页面容器 page */
.page {
    max-width: var(--max);
    margin: 0 auto;
    padding: 32px 20px 64px;
}

.section { margin-top: 56px; }
.section--first { margin-top: 8px; }

.section__head { margin-bottom: 20px; }

.section__title {
    margin: 0 0 8px;
    font-size: 24px;
    letter-spacing: -.2px;
}

.section__lead {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.page__title {
    margin: 4px 0 10px;
    font-size: 30px;
    letter-spacing: -.4px;
}

.page__lead {
    margin: 0 0 8px;
    max-width: 760px;
    color: var(--muted);
    font-size: 15.5px;
    line-height: 1.85;
}

.section__more { margin-top: 14px; }

/* ---------------------------------------------------------------- hero */
.hero {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 44px;
    align-items: center;
    padding: 22px 0 6px;
}

.hero__text { min-width: 0; }

.hero__title {
    margin: 14px 0 14px;
    font-size: 40px;
    line-height: 1.22;
    letter-spacing: -1px;
}

.hero__sub {
    margin: 0 0 26px;
    max-width: 34em;
    color: var(--muted);
    font-size: 16.5px;
    line-height: 1.85;
}

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

.hero__note {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 13.5px;
}

.hero__art { min-width: 0; }

/* ------------------------------------------------------------ 应用示意图 */
.app-mock {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.app-mock__bar {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 38px;
    padding: 0 12px;
    background: #f8f9fb;
    border-bottom: 1px solid var(--line);
}

.app-mock__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #dfe3e8;
    flex: 0 0 auto;
}
.app-mock__dot--red { background: #fca5a5; }
.app-mock__dot--yellow { background: #fcd34d; }
.app-mock__dot--green { background: #86efac; }

.app-mock__title {
    margin-left: 8px;
    color: var(--muted);
    font-size: 12px;
}

.app-mock__body {
    padding: 14px;
    display: grid;
    gap: 12px;
}

.app-mock__foot {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-top: 1px solid var(--line);
    background: #fbfcfd;
    color: var(--muted);
    font-size: 12px;
}

.task { display: grid; gap: 7px; }

.task__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
}

.task__name {
    font-size: 12.5px;
    color: var(--text-soft);
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.task__meta {
    color: var(--muted);
    font-size: 11.5px;
    white-space: nowrap;
    flex: 0 0 auto;
}

.bar {
    height: 6px;
    border-radius: 99px;
    background: #eef1f6;
    overflow: hidden;
}

.bar__fill {
    display: block;
    height: 100%;
    border-radius: 99px;
    background: linear-gradient(90deg, #60a5fa, var(--brand));
}

.bar__fill--done { background: linear-gradient(90deg, #34d399, #10b981); }
.bar__fill--wait { background: #d7dde7; }

.dot-live {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--ok);
    flex: 0 0 auto;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, .16);
}

/* ------------------------------------------------------------ 小标签 pill */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    border-radius: 99px;
    background: var(--brand-soft);
    border: 1px solid var(--brand-line);
    color: var(--brand-dark);
    font-size: 12.5px;
    font-weight: 600;
}

.pill--muted {
    background: #f1f3f7;
    border-color: #e3e7ee;
    color: var(--muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 99px;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 12px;
    font-weight: 600;
}

.badge--pro {
    background: var(--brand);
    color: #fff;
}

/* --------------------------------------------------------------- 栅格 grid */
.grid {
    display: grid;
    gap: 18px;
}
.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)); }

/* --------------------------------------------------------------- 卡片 card */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.card__icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--brand-soft);
    color: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.card__title {
    margin: 0 0 6px;
    font-size: 15.5px;
    font-weight: 600;
}

.card__desc {
    margin: 0;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.75;
}

/* --------------------------------------------------------------- 表格 table */
.table-wrap {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

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

.table th {
    padding: 12px 16px;
    text-align: left;
    background: #fafbfc;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 12.5px;
    font-weight: 600;
    white-space: nowrap;
}

.table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--line-soft);
    color: var(--text-soft);
    vertical-align: middle;
}

.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: #fbfcfe; }

.table__group td {
    background: #f7f9fc;
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .2px;
}
.table tbody tr.table__group:hover td { background: #f7f9fc; }

.col-bool {
    width: 108px;
    text-align: center;
    white-space: nowrap;
}

.table__group-title {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 600;
}

.table-block + .table-block { margin-top: 26px; }

/* ------------------------------------------------------------ 对勾 tick */
.tick {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
}

.tick--yes {
    background: var(--ok-soft);
    color: var(--ok);
}

.tick--no {
    background: #f3f4f6;
    color: #9ca3af;
}

/* ------------------------------------------------------------- 提示块 callout */
.callout {
    background: #fff;
    border: 1px solid var(--line);
    border-left: 4px solid var(--brand);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
}

.callout__title {
    margin: 0 0 8px;
    font-size: 15.5px;
    font-weight: 600;
}

.callout p { color: var(--text-soft); font-size: 14px; line-height: 1.8; }
.callout p:last-child { margin-bottom: 0; }

.callout ul,
.callout ol {
    margin: 0;
    padding-left: 20px;
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.9;
}

.callout--warn {
    background: var(--warn-soft);
    border-color: var(--warn-line);
    border-left-color: #f59e0b;
}
.callout--warn .callout__title { color: var(--warn); }
.callout--warn p,
.callout--warn ul,
.callout--warn ol { color: #7c4a12; }

.callout--info {
    background: var(--brand-soft);
    border-color: var(--brand-line);
}
.callout--info .callout__title { color: var(--brand-dark); }

/* --------------------------------------------------------------- 步骤 steps */
.steps {
    display: grid;
    gap: 14px;
}

.step {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 14px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px 18px;
    box-shadow: var(--shadow-sm);
}

.step__num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step__body { min-width: 0; }

.step__title {
    margin: 4px 0 6px;
    font-size: 15px;
    font-weight: 600;
}

.step p {
    margin: 0;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.8;
}
.step p + p { margin-top: 6px; }

/* ----------------------------------------------------------- 代码块 code */
pre.code {
    background: #f7f9fc;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 14px 16px;
    color: var(--text);
    font-size: 13px;
    line-height: 1.75;
    overflow-x: auto;
    white-space: pre;
}
pre.code code {
    background: none;
    padding: 0;
    font-size: inherit;
}

/* --------------------------------------------------------- 元信息列表 meta */
.meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 26px;
    margin: 20px 0;
}

.meta__item { min-width: 0; }

.meta__k {
    color: var(--muted);
    font-size: 12.5px;
    margin-bottom: 3px;
}

.meta__v {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
}

.meta__v--mono {
    font-family: var(--mono);
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-soft);
}

/* ------------------------------------------------------------- 下载信息块 */
.dl {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow);
}

.dl__head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.dl__version {
    margin: 0;
    font-size: 23px;
    letter-spacing: -.3px;
}

.dl__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-top: 20px;
}

.dl__hint {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.notes {
    margin: 4px 0 0;
    padding-left: 20px;
    color: var(--text-soft);
    font-size: 14px;
    line-height: 1.9;
}

/* --------------------------------------------------------------- 套餐 plan */
.plans {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: stretch;
}

.plan {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 26px 22px 24px;
    box-shadow: var(--shadow-sm);
}

.plan--featured {
    border-color: var(--brand);
    box-shadow: 0 12px 30px rgba(37, 99, 235, .16);
}

.plan__badge {
    position: absolute;
    top: -12px;
    right: 18px;
    padding: 4px 12px;
    border-radius: 99px;
    background: var(--brand);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 6px 14px rgba(37, 99, 235, .28);
}

.plan__label {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 700;
}

.plan__price {
    margin: 0;
    color: var(--brand);
    font-size: 34px;
    font-weight: 700;
    line-height: 1.1;
}

.plan__price .plan__cur {
    margin-right: 2px;
    font-size: 18px;
    font-weight: 600;
}

.plan__unit {
    margin: 4px 0 18px;
    color: var(--muted);
    font-size: 13px;
}

.plan__list {
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
    display: grid;
    gap: 9px;
    font-size: 13.5px;
}

.plan__list li {
    display: grid;
    grid-template-columns: 14px minmax(0, 1fr);
    gap: 8px;
    align-items: start;
    color: var(--text-soft);
    line-height: 1.65;
}

.plan__list li::before {
    content: "✓";
    color: var(--brand);
    font-size: 12px;
    font-weight: 700;
    line-height: 1.7;
}

.plan__cta { margin-top: auto; }

.plan__note {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 12px;
    text-align: center;
}

/* ------------------------------------------------------------------ FAQ */
.faq {
    display: grid;
    gap: 12px;
}

.faq details {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0 18px;
    box-shadow: var(--shadow-sm);
}

.faq summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 15px 0;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+";
    color: var(--brand);
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
}
.faq details[open] summary::after { content: "−"; }

.faq__body {
    padding: 0 0 16px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.85;
}
.faq__body p:last-child { margin-bottom: 0; }

/* ------------------------------------------------------------- 底部 CTA */
.cta {
    margin-top: 56px;
    padding: 34px 30px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #3b82f6, var(--brand-dark));
    color: #fff;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta__title {
    margin: 0 0 10px;
    font-size: 23px;
    color: #fff;
}

.cta__desc {
    margin: 0 auto 22px;
    max-width: 620px;
    color: rgba(255, 255, 255, .88);
    font-size: 15px;
    line-height: 1.8;
}

.cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

/* ---------------------------------------------------------------- 页脚 footer */
.footer {
    background: #fff;
    border-top: 1px solid var(--line);
}

.footer__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 40px 20px 26px;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 32px;
}

.footer__col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 0;
}

.footer__col a {
    color: var(--muted);
    font-size: 14px;
    padding: 4px 0;
}
.footer__col a:hover { color: var(--brand); text-decoration: none; }

/* 页脚品牌标：同一份 logo-full.svg，略小一号 */
/* 页脚品牌：同一个图标 + HTML 文字（与页头一致，只是小一号） */
.footer__brandrow {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.footer__logo {
    display: block;
    height: 26px;
    width: 26px;
}

.footer__brandname {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: .4px;
    line-height: 1;
}

.footer__desc {
    margin: 0;
    color: var(--muted);
    font-size: 13.5px;
    line-height: 1.75;
}

/* 英文副标题（CatFrame — Grab anything, from anywhere） */
.footer__en {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.6;
    letter-spacing: .2px;
}

.footer__title {
    margin-bottom: 10px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text);
}

.footer__bottom {
    max-width: var(--max);
    margin: 0 auto;
    padding: 16px 20px 30px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px 20px;
    color: var(--muted);
    font-size: 13px;
}

.footer__note { color: var(--muted); }

/* ------------------------------------------------------------- 辅助类 utils */
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }

/* ------------------------------------------------------------- 响应式 */
@media (max-width: 1000px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero__art { max-width: 560px; }
    .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
}

@media (max-width: 880px) {
    .plans { grid-template-columns: 1fr; }
    .plan--featured { order: -1; }
}

@media (max-width: 760px) {
    .nav__inner {
        flex-wrap: wrap;
        padding: 10px 16px;
        min-height: 0;
        gap: 6px;
    }
    .nav__cta {
        margin-left: auto;
        margin-right: 0;
    }
    .nav__links {
        order: 3;
        width: 100%;
        margin-left: 0;
        padding-top: 4px;
        border-top: 1px solid var(--line-soft);
        overflow-x: auto;
        justify-content: flex-start;
    }
    .nav__link { padding: 7px 10px; font-size: 14px; }

    .page { padding: 22px 16px 48px; }

    .hero { padding-top: 8px; }
    .hero__title { font-size: 28px; letter-spacing: -.5px; }
    .hero__sub { font-size: 15.5px; }

    .section { margin-top: 40px; }
    .section__title { font-size: 20px; }
    .page__title { font-size: 24px; }

    .grid--2,
    .grid--3,
    .grid--4 { grid-template-columns: 1fr; }

    .meta { grid-template-columns: 1fr; }

    .footer__inner { grid-template-columns: 1fr; gap: 22px; padding: 30px 16px 20px; }
    .footer__bottom { padding: 14px 16px 26px; flex-direction: column; }

    .cta { padding: 26px 20px; }
    .cta__title { font-size: 20px; }

    .dl { padding: 20px; }
    .step { padding: 14px; }

    .hero__actions .btn,
    .cta__actions .btn { flex: 1 1 auto; }
}

/* ============================================================
   首页新版区块（M8-T23）
   —— 首页重写为「面向用户卖点」的表述后新增的结构类
   ============================================================ */

.hero__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #e8f0ff;
  color: #2563eb;
  font-size: 13px;
  font-weight: 600;
}

.hero__accent {
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__desc {
  margin: 18px 0 26px;
  font-size: 16px;
  line-height: 1.75;
  color: #4b5563;
}

.hero__note {
  margin: 16px 0 0;
  font-size: 13px;
  color: #6b7280;
}

.hero__art { display: flex; justify-content: center; }

/* ---- 产品数据条 ---- */
.statbar {
  background: #fff;
  border-top: 1px solid #eef0f3;
  border-bottom: 1px solid #eef0f3;
}

.statbar__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 30px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat { text-align: center; }

.stat__num {
  font-size: 32px;
  font-weight: 800;
  color: #2563eb;
  letter-spacing: -0.5px;
}

.stat__label {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #1f2430;
}

.stat__desc {
  margin-top: 4px;
  font-size: 12px;
  color: #6b7280;
  line-height: 1.5;
}

/* ---- 应用示意图里的任务行 ---- */
.mock-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 14px 0 6px;
  font-size: 12px;
}

.mock-name {
  color: #374151;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-pct {
  color: #2563eb;
  font-weight: 600;
  font-family: Consolas, "Cascadia Mono", monospace;
}

/* ---- 卡片与分节变体 ---- */
.card--feature { position: relative; padding-top: 26px; }
.card--step { text-align: center; }
.section--alt { background: #f9fafb; }

.section__sub {
  max-width: 780px;
  margin: 8px auto 30px;
  text-align: center;
  color: #6b7280;
  font-size: 15px;
  line-height: 1.7;
}

/* ---- 免费/Pro 对比表 ---- */
.cptable {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.cptable th {
  background: #f9fafb;
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  color: #374151;
  border-bottom: 1px solid #eef0f3;
  white-space: nowrap;
}

.cptable td {
  padding: 11px 14px;
  border-bottom: 1px solid #f3f4f6;
}

.cptable tr:hover td { background: #fafbfc; }

.cptable__group td {
  background: #f3f6fb;
  font-weight: 600;
  color: #2563eb;
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 36px 20px 28px;
  }
  .statbar__inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .stat__num { font-size: 26px; }
}

/* ============================================================
   首页 Bento 版（M8-T26）
   —— 便当盒网格（Bento Grid）+ 玻璃拟态（glassmorphism）
   —— 本节只**新增**类，不改动上面任何既有规则；其它页面不受影响。
   —— 新前缀：home2__ / hero2__ / bento__ / glass / sites__ / steps2__ / cta2__
   ============================================================ */

/* ---------------------------------------------------------- 页面外壳与光晕 */
.home2 {
  position: relative;
  z-index: 0; /* 建立层叠上下文，让 z-index:-1 的光晕落在内容之下、页面底色之上 */
}

.home2__aura {
  position: absolute;
  top: -60px;
  left: 0;
  right: 0;
  height: 1180px;
  z-index: -1;
  pointer-events: none;
  /* 多团极淡的彩色径向渐变：玻璃卡片要有"东西"可透，否则半透明会显得干瘪 */
  background:
    radial-gradient(680px 470px at 14% -2%, rgba(59, 130, 246, .20), rgba(59, 130, 246, 0) 70%),
    radial-gradient(600px 430px at 88% 0%, rgba(139, 92, 246, .18), rgba(139, 92, 246, 0) 72%),
    radial-gradient(560px 400px at 58% 33%, rgba(14, 165, 233, .13), rgba(14, 165, 233, 0) 74%),
    radial-gradient(520px 380px at 3% 62%, rgba(244, 63, 94, .09), rgba(244, 63, 94, 0) 76%),
    radial-gradient(620px 420px at 97% 80%, rgba(20, 184, 166, .11), rgba(20, 184, 166, 0) 74%);
  filter: blur(8px);
}

/* ------------------------------------------------------- 玻璃卡片基类 glass */
.glass {
  position: relative;
  background-color: rgba(255, 255, 255, .62);
  /* 顶部一层内高光，模拟玻璃的斜向反光；用 background-image 而不是伪元素，避免盖住文字 */
  background-image: linear-gradient(180deg, rgba(255, 255, 255, .70), rgba(255, 255, 255, .10) 44%, rgba(255, 255, 255, 0));
  border: 1px solid rgba(255, 255, 255, .78);
  border-radius: 22px;
  box-shadow:
    0 1px 2px rgba(16, 24, 40, .04),
    0 12px 24px -12px rgba(16, 24, 40, .14),
    0 32px 64px -32px rgba(16, 24, 40, .22),
    inset 0 1px 0 rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px) saturate(170%);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
}

.glass--pad { padding: 26px 24px; }

/* -------------------------------------------------------------- 首屏 hero2 */
.hero2 {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 30px 0 0;
  text-align: center;
}

.hero2__tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 24px;
  padding: 7px 16px 7px 13px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, .62);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, .7), rgba(255, 255, 255, 0));
  border: 1px solid rgba(255, 255, 255, .88);
  box-shadow:
    0 1px 2px rgba(16, 24, 40, .04),
    0 10px 22px -14px rgba(16, 24, 40, .32),
    inset 0 1px 0 rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  color: #334155;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .01em;
}

.hero2__tag-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, .14);
  flex: 0 0 auto;
}

.hero2__title {
  margin: 0;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
  color: #0f172a;
}

.hero2__grad {
  background: linear-gradient(115deg, #2563eb 6%, #7c3aed 52%, #0ea5e9 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.hero2__desc {
  max-width: 660px;
  margin: 20px auto 30px;
  color: #4b5563;
  font-size: 16.5px;
  line-height: 1.85;
}
.hero2__desc b { color: #1f2430; font-weight: 600; }

.hero2__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.hero2__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.hero2__btn:hover { text-decoration: none; transform: translateY(-1px); }
.hero2__btn:active { transform: translateY(1px); }

.hero2__btn--primary {
  background: linear-gradient(135deg, #3b82f6, #6d28d9);
  border-color: rgba(255, 255, 255, .20);
  color: #fff;
  box-shadow: 0 14px 30px -10px rgba(59, 130, 246, .62), inset 0 1px 0 rgba(255, 255, 255, .28);
}
.hero2__btn--primary:hover {
  background: linear-gradient(135deg, #2f74ea, #5b21b6);
  color: #fff;
  box-shadow: 0 18px 36px -10px rgba(59, 130, 246, .70), inset 0 1px 0 rgba(255, 255, 255, .30);
}

.hero2__btn--glass {
  background-color: rgba(255, 255, 255, .58);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, .7), rgba(255, 255, 255, 0));
  border-color: rgba(255, 255, 255, .90);
  color: #1f2430;
  box-shadow:
    0 1px 2px rgba(16, 24, 40, .04),
    0 12px 26px -14px rgba(16, 24, 40, .42),
    inset 0 1px 0 rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
}
.hero2__btn--glass:hover { background-color: rgba(255, 255, 255, .78); color: #1f2430; }

/* --------------------------------------------------- Bento 便当盒网格 bento */
.bento {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 46px;
}

.bento__cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  min-width: 0;
}

/* 尺寸差异是 Bento 的精髓：大格 2 列 × 2 行，宽格横跨 2 列 */
.bento__cell--big {
  grid-column: span 2;
  grid-row: span 2;
  gap: 14px;
  padding: 34px;
  background-color: rgba(255, 255, 255, .68);
}

.bento__cell--wide {
  grid-column: span 2;
  gap: 16px;
  padding: 26px;
}

.bento__num {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.03em;
  color: #2563eb;
}

.bento__num--xl {
  font-size: clamp(48px, 7vw, 72px);
  line-height: 1;
  letter-spacing: -.045em;
  background: linear-gradient(118deg, #2563eb 6%, #7c3aed 58%, #0ea5e9 98%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.bento__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: #16203a;
}

.bento__cell--big .bento__title {
  font-size: 22px;
  letter-spacing: -.02em;
}

.bento__desc {
  margin: 0;
  color: #5b6478;
  font-size: 13.5px;
  line-height: 1.8;
}
.bento__desc b { color: #1f2430; font-weight: 700; }

.bento__cell--big .bento__desc {
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
}

/* 内联 SVG 图标（无图标库） */
.bento__ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, rgba(59, 130, 246, .14), rgba(124, 58, 237, .10));
  border: 1px solid rgba(255, 255, 255, .85);
  color: #2563eb;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .90), 0 6px 14px -10px rgba(37, 99, 235, .60);
}
.bento__ico svg { width: 20px; height: 20px; display: block; }

/* ------------------------------------------------- 热门站点胶囊 sites__ */
.sites {
  margin-top: auto; /* 大格跨两行，把站点胶囊压到底部 */
  padding-top: 18px;
}

.sites__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: #6b7280;
  font-size: 12.5px;
  font-weight: 600;
}
.sites__label::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(37, 99, 235, .26), rgba(37, 99, 235, 0));
}

/* 装饰性"覆盖信号条"：纯 CSS 的 30 根小竖条，高低错落 + 右侧渐隐，
   用来填充大格中段并强化"平台覆盖广"，不依赖任何图片 */
.bento__wave {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  margin: 2px 0 auto;
  overflow: hidden;
}

.bento__wave span {
  flex: 0 0 auto;
  width: 5px;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(180deg, rgba(37, 99, 235, .26), rgba(124, 58, 237, .08));
}
.bento__wave span:nth-child(3n+1) { height: 100%; }
.bento__wave span:nth-child(3n+2) { height: 62%; }
.bento__wave span:nth-child(3n)   { height: 38%; }
.bento__wave span:nth-child(n+22) { opacity: .55; }
.bento__wave span:nth-child(n+26) { opacity: .32; }
.bento__wave span:nth-child(n+29) { opacity: .14; }

.sites__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sites__pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px 6px 7px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, .72);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, .8), rgba(255, 255, 255, 0));
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow:
    0 1px 2px rgba(16, 24, 40, .05),
    0 8px 18px -14px rgba(16, 24, 40, .50),
    inset 0 1px 0 rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px) saturate(160%);
  -webkit-backdrop-filter: blur(8px) saturate(160%);
  font-size: 13.5px;
  font-weight: 600;
  color: #26304a;
  white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease;
}
.sites__pill:hover {
  transform: translateY(-1px);
  box-shadow:
    0 2px 4px rgba(16, 24, 40, .06),
    0 12px 22px -14px rgba(16, 24, 40, .55),
    inset 0 1px 0 rgba(255, 255, 255, .95);
}

.sites__name {
  font-weight: 600;
  letter-spacing: .01em;
}

/* 圆形字母标记：品牌色只做极淡底色 + 深色文字，不做大面积着色 */
.sites__mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  font-size: 11.5px;
  font-weight: 800;
  line-height: 1;
  color: #475569;
  background: rgba(100, 116, 139, .12);
  border: 1px solid rgba(100, 116, 139, .18);
}

.sites__mark--bili { color: #0b7ba1; background: rgba(0, 161, 214, .12); border-color: rgba(0, 161, 214, .24); }
.sites__mark--yt   { color: #c01818; background: rgba(255, 0, 0, .09);   border-color: rgba(255, 0, 0, .18); }
.sites__mark--dy   { color: #14161d; background: rgba(0, 0, 0, .07);     border-color: rgba(0, 0, 0, .14); }
.sites__mark--xhs  { color: #d01f3c; background: rgba(255, 36, 66, .10); border-color: rgba(255, 36, 66, .20); }
.sites__mark--x    { color: #14161d; background: rgba(0, 0, 0, .07);     border-color: rgba(0, 0, 0, .14); }

/* M8-T43 新增的 6 个来源（对齐竞品展示的那批 + ModelScope）。
   依旧只是"字母标记 + 极淡品牌色"，**不使用任何真实 logo 素材**（商标风险）。 */
.sites__mark--tt { color: #14161d; background: rgba(37, 244, 238, .14); border-color: rgba(37, 244, 238, .30); }
.sites__mark--rd { color: #c2481a; background: rgba(255, 69, 0, .10);   border-color: rgba(255, 69, 0, .22); }
.sites__mark--vm { color: #0b6fa4; background: rgba(26, 183, 234, .12); border-color: rgba(26, 183, 234, .26); }
.sites__mark--tw { color: #6b3fbf; background: rgba(145, 70, 255, .10); border-color: rgba(145, 70, 255, .22); }
.sites__mark--hf { color: #a8781a; background: rgba(255, 209, 102, .16); border-color: rgba(255, 209, 102, .34); }
.sites__mark--ms { color: #5b3fd6; background: rgba(98, 70, 234, .10);  border-color: rgba(98, 70, 234, .22); }

/* 站点从 5 个增到 11 个，把胶囊收紧一点，免得在大格里占太高 */
.sites__list { gap: 7px; }
.sites__pill { padding: 5px 12px 5px 6px; font-size: 12.5px; }

/* --------------------------------------- 宽格里的应用界面示意（复用 app-mock） */
.bento__mockhead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 18px;
}
.bento__mockhead .bento__desc { max-width: 34ch; }

.bento__cell--mock .app-mock {
  border-radius: 16px;
  border-color: rgba(255, 255, 255, .90);
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 12px 28px -20px rgba(16, 24, 40, .50), inset 0 1px 0 rgba(255, 255, 255, .9);
}

/* app-mock 内部：把「名称行 + 进度条」收紧成一组 */
.bento__task .mock-row { margin: 0 0 6px; }

/* ------------------------------------------------ 三步上手（横向连接） steps2 */
.home2 .section__title {
  text-align: center;
  font-size: 28px;
  letter-spacing: -.02em;
}
.home2 .section__sub { text-align: center; }

.steps2 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 6px 0 0;
  list-style: none;
}

.steps2__item {
  position: relative;
  padding: 0 6px;
  text-align: center;
}

/* 序号圆点 + 连接线：不是三张卡片，而是一条横向流程 */
.steps2__num {
  position: relative;
  z-index: 1;
  width: 46px;
  height: 46px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, #3b82f6, #6d28d9);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  box-shadow:
    0 10px 22px -10px rgba(59, 130, 246, .70),
    inset 0 1px 0 rgba(255, 255, 255, .35),
    0 0 0 6px rgba(255, 255, 255, .65);
}

.steps2__item::before {
  content: "";
  position: absolute;
  top: 23px;
  left: calc(50% + 32px);
  width: calc(100% - 36px);
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(59, 130, 246, .42), rgba(139, 92, 246, .10));
}
.steps2__item:last-child::before { display: none; }

.steps2__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: #16203a;
}

/* 中文按全角排版，这里不设 max-width：三步说明在桌面 3 列内正好单行 */
.steps2__desc {
  margin: 0 auto;
  color: #5b6478;
  font-size: 13.5px;
  line-height: 1.8;
}

/* ------------------------------------ 免费 / Pro 对比表（玻璃卡里包表格） */
.bento-table { padding: 18px 18px 16px; }

.bento-table__scroll { overflow-x: auto; }

.bento-table .cptable { min-width: 520px; }

/* 表格原本是实色底，放进玻璃卡后改成半透明，避免出现"白补丁" */
.bento-table .cptable th { background: rgba(248, 250, 252, .72); }
.bento-table .cptable__group td { background: rgba(238, 244, 255, .72); }
.bento-table .cptable tr:hover td { background: rgba(255, 255, 255, .60); }

.bento-table__more { margin: 16px 0 0; }

/* ------------------------------------------------- 底部 CTA 渐变横幅 cta2 */
.cta2 {
  position: relative;
  z-index: 1;
  margin-top: 64px;
  padding: 46px 36px;
  border-radius: 28px;
  overflow: hidden;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(120% 140% at 12% 0%, rgba(255, 255, 255, .24), rgba(255, 255, 255, 0) 55%),
    radial-gradient(90% 120% at 96% 100%, rgba(56, 189, 248, .34), rgba(56, 189, 248, 0) 60%),
    linear-gradient(126deg, #2563eb 0%, #4f46e5 46%, #7c3aed 100%);
  box-shadow:
    0 26px 60px -26px rgba(37, 99, 235, .68),
    inset 0 1px 0 rgba(255, 255, 255, .24);
}

.cta2__title {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: #fff;
}

.cta2__desc {
  max-width: 560px;
  margin: 0 auto 26px;
  color: rgba(255, 255, 255, .90);
  font-size: 15.5px;
  line-height: 1.8;
}

.cta2__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.cta2__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 26px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 15.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
}
.cta2__btn:hover { text-decoration: none; transform: translateY(-1px); }

.cta2__btn--solid {
  background: #fff;
  color: #1d4ed8;
  box-shadow: 0 14px 30px -14px rgba(2, 8, 23, .55);
}
.cta2__btn--solid:hover { background: #f2f6ff; color: #1d4ed8; }

.cta2__btn--ghost {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(255, 255, 255, .45);
  color: #fff;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.cta2__btn--ghost:hover { background: rgba(255, 255, 255, .24); color: #fff; }

/* ------------------------------------------------ 响应式：窄屏单列 */
@media (max-width: 900px) {
  .home2__aura { height: 820px; filter: blur(6px); }

  .hero2 { padding-top: 16px; }
  .hero2__title { font-size: clamp(28px, 7.4vw, 40px); }
  .hero2__desc { font-size: 15.5px; }
  .hero2__btn { padding: 0 22px; }

  .bento {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    margin-top: 34px;
  }
  .bento__cell,
  .bento__cell--big,
  .bento__cell--wide {
    grid-column: auto;
    grid-row: auto;
    padding: 22px;
  }
  .bento__num--xl { font-size: clamp(40px, 13vw, 56px); }
  .bento__cell--big .bento__title { font-size: 19px; }
  .bento__cell--big .bento__desc { font-size: 14px; }
  .sites { margin-top: 2px; padding-top: 14px; }

  .home2 .section__title { font-size: 22px; }

  /* 三步：横向连接线改成竖向短连接线 */
  .steps2 { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .steps2__item::before {
    top: auto;
    bottom: -22px;
    left: 50%;
    width: 2px;
    height: 22px;
    transform: translateX(-1px);
    background: linear-gradient(180deg, rgba(59, 130, 246, .42), rgba(139, 92, 246, .08));
  }

  .cta2 {
    margin-top: 44px;
    padding: 34px 22px;
    border-radius: 22px;
  }
}

/* 很窄的手机屏：按钮铺满一行更好点按 */
@media (max-width: 560px) {
  .hero2__actions,
  .cta2__actions { gap: 10px; }
  .hero2__btn,
  .cta2__btn { flex: 1 1 auto; }
  .hero2__title { letter-spacing: -.01em; }
}

/* ------------------------------ 降级：不支持毛玻璃时提高底色不透明度 */
@supports not ((backdrop-filter: blur(4px)) or (-webkit-backdrop-filter: blur(4px))) {
  .glass { background-color: rgba(255, 255, 255, .90); }
  .hero2__tag,
  .hero2__btn--glass,
  .sites__pill { background-color: rgba(255, 255, 255, .92); }
  .cta2__btn--ghost { background-color: rgba(255, 255, 255, .22); }
}

/* ---------------- 降级：不支持 background-clip:text 时改用纯品牌蓝 */
@supports not ((background-clip: text) or (-webkit-background-clip: text)) {
  .hero2__grad,
  .bento__num--xl {
    background: none;
    color: #2563eb;
    -webkit-text-fill-color: currentColor;
  }
}

/* ---------- 语言切换器（M10-T63 官网三语） ---------- */
.langsw{display:inline-flex;align-items:center;gap:6px;font-size:13px;margin-right:10px}
.langsw a{color:var(--color-text-muted,#6b7280);text-decoration:none;white-space:nowrap}
.langsw a:hover{color:var(--color-primary,#2563eb)}
.langsw .langsw__on{color:var(--color-primary,#2563eb);font-weight:600}
.langsw .langsw__sep{color:var(--color-border,#d7dbe0);user-select:none}