/* frontend/colors/_amayum-paper.css */
/**
 * Amayum · 纸与墨品牌色
 *
 * 唯一允许出现裸色值的主题文件。其他 CSS 只消费这里的 token。
 * 页面强调色由 body[data-theme] 决定；默认强调色是框架靛蓝。
 */
:root {
    color-scheme: light;

    --amayum-paper: #f7f4ed;
    --amayum-paper-soft: #f7f2e8;
    --amayum-surface: #ffffff;
    --amayum-ink: #0c0b09;
    --amayum-ink-muted: #4a453c;
    --amayum-border: #d2c7b3;

    --amayum-accent: #2b4bd0;
    --amayum-accent-on: #ffffff;

    --amayum-hanfu: #922432;
    --amayum-travel: #1f5747;
    --amayum-dao: #7a5a1e;
    --amayum-code: #2c3a86;
    --amayum-journal: #1f5f73;
    --amayum-contact: #6f3f22;
    --amayum-legal: #5f4c2e;
    --amayum-paper-accent: #7a6b50;

    --amayum-on-image: #ffffff;
    --amayum-on-image-muted: rgba(255, 255, 255, 0.72);
    --amayum-on-image-faint: rgba(255, 255, 255, 0.5);
    --amayum-ok-on-ink: #9fd8b4;
    --amayum-warn-on-ink: #e3bd6b;
    --amayum-warn-dot-on-ink: #d2a24a;

    --amayum-danger: #b3261e;
    --amayum-success: #1f5747;
    --amayum-partial-ink: #7a5a22;
    --amayum-partial-dot: #b07d22;

    --amayum-surface-2: color-mix(in oklab, var(--amayum-surface), var(--amayum-paper) 42%);
    --amayum-hair: color-mix(in oklab, var(--amayum-ink), transparent 88%);
    --amayum-hair-dark: color-mix(in oklab, var(--amayum-paper), transparent 84%);
    --amayum-on-dark: var(--amayum-paper-soft);
    --amayum-on-dark-muted: color-mix(in oklab, var(--amayum-paper-soft), transparent 28%);
    --amayum-on-dark-faint: color-mix(in oklab, var(--amayum-paper-soft), transparent 50%);
    --amayum-grid-dark: color-mix(in oklab, var(--amayum-paper-soft), transparent 94%);
    --amayum-grid-light: color-mix(in oklab, var(--amayum-ink), transparent 95%);

    /* 与默认主题/基础组件的桥接别名（只读消费） */
    --bg: var(--amayum-paper);
    --surface: var(--amayum-surface);
    --fg: var(--amayum-ink);
    --muted: var(--amayum-ink-muted);
    --border: var(--amayum-border);
    --accent: var(--amayum-accent);
    --accent-on: var(--amayum-accent-on);
    --accent-hover: color-mix(in oklab, var(--amayum-accent), black 10%);
    --accent-light: color-mix(in oklab, var(--amayum-accent), var(--amayum-paper) 34%);

    --hanfu: var(--amayum-hanfu);
    --travel: var(--amayum-travel);
    --dao: var(--amayum-dao);
    --code: var(--amayum-code);
    --journal: var(--amayum-journal);
    --contact: var(--amayum-contact);
    --legal: var(--amayum-legal);
    --paper: var(--amayum-paper-accent);

    --surface-2: var(--amayum-surface-2);
    --hair: var(--amayum-hair);
    --hair-dark: var(--amayum-hair-dark);
    --on-dark: var(--amayum-on-dark);
    --on-dark-muted: var(--amayum-on-dark-muted);
    --on-dark-faint: var(--amayum-on-dark-faint);
    --grid-dark: var(--amayum-grid-dark);
    --grid-light: var(--amayum-grid-light);
    --on-image: var(--amayum-on-image);
    --on-image-muted: var(--amayum-on-image-muted);
    --on-image-faint: var(--amayum-on-image-faint);
    --ok-on-ink: var(--amayum-ok-on-ink);
    --warn-on-ink: var(--amayum-warn-on-ink);
    --warn-dot-on-ink: var(--amayum-warn-dot-on-ink);

    --danger: var(--amayum-danger);
    --success: var(--amayum-success);
    --state-partial-ink: var(--amayum-partial-ink);
    --state-partial-dot: var(--amayum-partial-dot);

    --page-accent: var(--amayum-accent);
    --page-accent-soft: #dfe4f7;
}

body[data-theme="hanfu"] {
    --page-accent: var(--amayum-hanfu);
    --page-accent-soft: #ecd6d2;
}

body[data-theme="travel"] {
    --page-accent: var(--amayum-travel);
    --page-accent-soft: #d8e4da;
}

body[data-theme="dao"] {
    --page-accent: var(--amayum-dao);
    --page-accent-soft: #e8dfc9;
}

body[data-theme="code"] {
    --page-accent: var(--amayum-code);
    --page-accent-soft: #dcdde9;
}

body[data-theme="journal"] {
    --page-accent: var(--amayum-journal);
    --page-accent-soft: #d6e5e7;
}

body[data-theme="contact"] {
    --page-accent: var(--amayum-contact);
    --page-accent-soft: #e8d9cb;
}

body[data-theme="legal"] {
    --page-accent: var(--amayum-legal);
    --page-accent-soft: #e4dccb;
}

body[data-theme="paper"] {
    --page-accent: var(--amayum-paper-accent);
    --page-accent-soft: #e7e0d2;
}

/* frontend/variables/_amayum-ink.css */
/**
 * Amayum · 字体、圆角、间距、阴影与页面画布 token
 *
 * 版心只消费 --weline-container-gutter / --weline-layout-content-max-width；
 * 页面底色/纸纹只设置 --weline-page-canvas-* 五个 token，不直接写 body 背景。
 */
:root {
    --font-display: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "STSong", Georgia, "Times New Roman", serif;
    --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
    --font-mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, monospace;

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;

    --section-y: clamp(76px, 9vw, 118px);
    --header-h: 78px;

    --motion-fast: 150ms;
    --motion-base: 200ms;
    --ease: cubic-bezier(0.2, 0, 0, 1);
    --ease-standard: cubic-bezier(0.2, 0, 0, 1);

    --elev-card: 0 1px 2px color-mix(in oklab, var(--fg), transparent 96%),
        0 14px 34px color-mix(in oklab, var(--fg), transparent 95%);
    --elev-raised: 0 26px 70px color-mix(in oklab, var(--fg), transparent 88%);

    --focus-ring: 0 0 0 2px var(--page-accent),
        0 0 0 5px color-mix(in oklab, var(--page-accent), transparent 74%);
    --focus-ring-dark: 0 0 0 2px var(--on-dark),
        0 0 0 5px color-mix(in oklab, var(--on-dark), transparent 70%);

    /* 版心：只改 token，不新建私有宽度 */
    --layout-max-width: 1280px;
    --weline-layout-content-max-width: 1280px;
    --weline-container-gutter: clamp(1.125rem, 1rem + 0.8vw, 1.75rem);
}

/* 页面画布：五个 token 唯一入口 */
body.site {
    --weline-page-canvas-color: var(--amayum-paper);
    --weline-page-canvas-image:
        radial-gradient(ellipse 70% 46% at 88% -8%, color-mix(in oklab, var(--page-accent), transparent 93%), transparent 68%),
        radial-gradient(ellipse 54% 50% at -8% 28%, color-mix(in oklab, var(--page-accent), transparent 96%), transparent 72%);
    --weline-page-canvas-size: auto, auto;
    --weline-page-canvas-repeat: no-repeat, no-repeat;
    --weline-page-canvas-position: 0 0, 0 0;
}

@media (max-width: 1023px) {
    :root {
        --section-y: 72px;
        --header-h: 68px;
    }
}

@media (max-width: 767px) {
    :root {
        --section-y: 56px;
        --header-h: 64px;
    }
}

/* frontend/assets/css/amayum.css */
/**
 * Amayum · 全站品牌壳
 *
 * 暖纸、墨色、宋体标题；高对比、文字优先、克制圆角。
 * 依赖 _amayum-paper.css / _amayum-ink.css；不覆盖默认 theme.css / theme.js。
 */

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 16px);
}

body.site {
    margin: 0;
    color: var(--fg);
    font: 17px/1.65 var(--font-body);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

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

.site h1,
.site h2,
.site h3,
.site h4 {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    text-wrap: balance;
}

.site p {
    margin: 0;
    text-wrap: pretty;
}

.site a {
    color: inherit;
    text-decoration: none;
}

.site img,
.site svg {
    display: block;
    max-width: 100%;
}

.site button {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
    cursor: pointer;
}

.site ::selection {
    background: var(--page-accent);
    color: var(--accent-on);
}

.site :focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.site-footer :focus-visible,
.cta-band :focus-visible,
.section--ink :focus-visible,
.proof-panel :focus-visible {
    box-shadow: var(--focus-ring-dark);
}

[hidden] {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

.skip {
    position: fixed;
    left: 16px;
    top: -64px;
    z-index: 200;
    background: var(--surface);
    color: var(--fg);
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: top var(--motion-fast) var(--ease);
}

.skip:focus {
    top: 12px;
}

/* 原型内容模板兼容：与 .w-container 同一套 token 数学，不新建私有宽度 */
.container {
    box-sizing: border-box;
    width: min(100%, var(--weline-layout-content-max-width));
    max-width: 100%;
    min-width: 0;
    margin-inline: auto;
    padding-inline: var(--weline-layout-content-padding-inline);
}

.mono {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
}

.eyebrow .idx {
    color: var(--page-accent);
}

.eyebrow.on-dark {
    color: var(--on-dark-faint);
}

.eyebrow.on-dark .idx {
    color: var(--on-dark);
}

section[id],
[id="main"],
[id="diagnosis"] {
    scroll-margin-top: calc(var(--header-h) + 18px);
}

/* ── 按钮与文字链接 ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 52px;
    padding: 0 24px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: 0.005em;
    transition: background var(--motion-fast) var(--ease),
        border-color var(--motion-fast) var(--ease),
        color var(--motion-fast) var(--ease),
        transform var(--motion-fast) var(--ease);
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.btn.is-loading {
    pointer-events: none;
}

.btn.is-loading svg {
    display: none;
}

.btn.is-loading::after {
    content: "";
    width: 13px;
    height: 13px;
    border-radius: 50%;
    border: 1.5px solid color-mix(in oklab, currentColor, transparent 68%);
    border-top-color: currentColor;
    animation: btn-spin 0.7s linear infinite;
}

.btn svg {
    width: 14px;
    height: 14px;
    flex: none;
    transition: transform var(--motion-base) var(--ease);
}

.btn:hover svg {
    transform: translateX(3px);
}

@keyframes btn-spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-primary {
    background: var(--fg);
    color: var(--bg);
}

.btn-primary:hover {
    background: var(--page-accent);
    color: var(--accent-on);
}

.btn-primary:focus-visible {
    box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--page-accent);
}

.btn-dark {
    background: var(--bg);
    color: var(--fg);
}

.btn-dark:hover {
    background: var(--page-accent);
    color: var(--accent-on);
}

.btn-ghost,
.btn-secondary {
    background: transparent;
    border-color: var(--border);
    color: var(--fg);
}

.btn-ghost:hover,
.btn-secondary:hover {
    background: var(--surface);
    border-color: var(--fg);
}

.btn-ghost-dark {
    background: transparent;
    border-color: color-mix(in oklab, var(--fg), transparent 64%);
    color: var(--fg);
}

.btn-ghost-dark:hover {
    background: var(--surface);
    border-color: var(--fg);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 44px;
    font-size: 13.5px;
    color: var(--fg);
    border-bottom: 1px solid color-mix(in oklab, var(--fg), transparent 72%);
    transition: gap var(--motion-fast) var(--ease), border-color var(--motion-fast) var(--ease);
}

.text-link:hover {
    gap: 11px;
    border-color: var(--fg);
}

.text-link svg {
    width: 13px;
    height: 13px;
}

.tag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.06em;
    padding: 4px 9px;
    border-radius: 999px;
    border: 1px solid color-mix(in oklab, var(--border), transparent 30%);
    background: var(--surface-2);
    color: var(--muted);
}

.tag.dark {
    background: color-mix(in oklab, var(--on-dark), transparent 92%);
    border-color: transparent;
    color: var(--on-dark-muted);
}

/* ── 页头 ───────────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    background: color-mix(in oklab, var(--bg), transparent 8%);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px) saturate(130%);
    transition: background var(--motion-base) var(--ease), box-shadow var(--motion-base) var(--ease);
}

.site-header.scrolled {
    background: color-mix(in oklab, var(--surface), transparent 2%);
    box-shadow: 0 1px 0 var(--border), 0 12px 30px color-mix(in oklab, var(--fg), transparent 94%);
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
    height: var(--header-h);
    color: var(--fg);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--fg);
    white-space: nowrap;
}

.brand em {
    font-family: var(--font-mono);
    font-style: normal;
    font-size: 9px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--muted);
}

.mark {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    flex: none;
    border-radius: 50%;
    background: var(--fg);
    color: var(--bg);
}

.mark svg {
    width: 17px;
    height: 17px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-left: auto;
}

.nav-links a {
    position: relative;
    padding: 4px 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    transition: color var(--motion-fast) var(--ease);
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 0;
    height: 1px;
    background: var(--page-accent);
    transition: right var(--motion-base) var(--ease);
}

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

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
    right: 0;
}

.nav-links a[aria-current="page"]::after {
    height: 2px;
    background: var(--fg);
}

.nav-cta {
    min-height: 40px;
    height: 40px;
    padding: 0 18px;
    font-size: 13px;
    background: var(--fg);
    color: var(--bg);
}

.nav-cta:hover {
    background: var(--page-accent);
    color: var(--accent-on);
}

.menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.menu-btn span {
    display: block;
    width: 16px;
    height: 1.5px;
    position: relative;
    background: var(--fg);
}

.menu-btn span::before,
.menu-btn span::after {
    content: "";
    position: absolute;
    left: 0;
    width: 16px;
    height: 1.5px;
    background: var(--fg);
    transition: transform var(--motion-base) var(--ease), top var(--motion-base) var(--ease);
}

.menu-btn span::before {
    top: -5px;
}

.menu-btn span::after {
    top: 5px;
}

.menu-btn[aria-expanded="true"] span {
    background: transparent;
}

.menu-btn[aria-expanded="true"] span::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-btn[aria-expanded="true"] span::after {
    top: 0;
    transform: rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    z-index: 98;
    display: block;
    visibility: hidden;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-6px);
    min-height: calc(100dvh - var(--header-h));
    max-height: calc(100dvh - var(--header-h));
    overflow: auto;
    background: var(--surface);
    color: var(--fg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 50px color-mix(in oklab, var(--fg), transparent 88%);
    padding: 12px var(--weline-layout-content-padding-inline) 28px;
    transition: opacity var(--motion-base) var(--ease), transform var(--motion-base) var(--ease),
        visibility var(--motion-base) var(--ease);
}

.mobile-nav.open {
    visibility: visible;
    pointer-events: auto;
    opacity: 1;
    transform: none;
}

.mobile-nav a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 52px;
    padding: 13px 0;
    font-size: 18px;
    letter-spacing: -0.02em;
    color: var(--fg);
    border-bottom: 1px solid var(--border);
}

.mobile-nav a .mono {
    font-size: 9.5px;
    letter-spacing: 0.1em;
    color: var(--muted);
}

.mobile-nav .btn {
    width: 100%;
    margin-top: 18px;
    background: var(--fg);
    color: var(--bg);
}

body.menu-open {
    overflow: hidden;
}

/* ── 页面 hero：纸面 + 拱形实拍 ─────────────────────────────────── */
.page-hero {
    position: relative;
    overflow: hidden;
    background: var(--bg);
    color: var(--fg);
    padding: clamp(138px, 14vw, 188px) 0 clamp(68px, 8vw, 108px);
    border-bottom: 1px solid var(--border);
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 58% 70% at 86% 8%, color-mix(in oklab, var(--page-accent), transparent 92%), transparent 66%),
        radial-gradient(ellipse 44% 60% at 6% 96%, color-mix(in oklab, var(--page-accent), transparent 96%), transparent 70%);
    opacity: 0.7;
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(to right, var(--grid-light) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-light) 1px, transparent 1px);
    background-size: 96px 96px;
    -webkit-mask-image: radial-gradient(ellipse 88% 84% at 50% 24%, var(--fg), transparent 78%);
    mask-image: radial-gradient(ellipse 88% 84% at 50% 24%, var(--fg), transparent 78%);
}

.page-hero[data-atmo]::before {
    background:
        radial-gradient(ellipse 58% 76% at 86% 8%, color-mix(in oklab, var(--page-accent), transparent 90%), transparent 66%),
        radial-gradient(ellipse 44% 64% at 6% 94%, color-mix(in oklab, var(--page-accent), transparent 95%), transparent 70%);
}

.page-hero .container,
.page-hero .w-container {
    position: relative;
    z-index: 1;
}

.page-hero .crumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 30px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.page-hero .crumbs a {
    color: var(--muted);
}

.page-hero .crumbs a:hover {
    color: var(--fg);
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(52px, 5.2vw, 84px);
    line-height: 1.06;
    letter-spacing: -0.028em;
    font-weight: 700;
    max-width: 9.6em;
    color: var(--fg);
}

.page-hero h1 .accent {
    color: var(--page-accent);
}

.page-hero .lead {
    max-width: 33em;
    margin-top: 28px;
    font-size: 18.5px;
    line-height: 1.78;
    font-weight: 400;
    color: var(--muted);
}

.page-hero .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 34px;
}

.page-hero .hero-meta span,
.page-hero .hero-meta a {
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.05em;
    color: var(--muted);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 12px;
    background: color-mix(in oklab, var(--surface), transparent 28%);
}

.page-hero .hero-meta a:hover {
    color: var(--fg);
    border-color: var(--fg);
}

.page-hero .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.page-hero .hero-art {
    position: absolute;
    right: max(24px, calc((100% - var(--weline-layout-content-max-width)) / 2));
    top: clamp(118px, 13vw, 158px);
    width: min(36%, 480px);
    height: min(62vh, 590px);
    object-fit: cover;
    object-position: center 24%;
    border-radius: 280px 280px 22px 22px;
    opacity: 1;
    box-shadow: 0 38px 100px color-mix(in oklab, var(--page-accent), transparent 72%),
        0 0 0 1px color-mix(in oklab, var(--fg), transparent 90%);
    z-index: 1;
}

.page-hero .hero-art + .container,
.page-hero .hero-art + .w-container {
    padding-right: min(45%, 540px);
}

.page-hero .hero-art.hero-map {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    width: min(38%, 500px);
    height: auto;
    border-radius: 0;
    box-shadow: none;
    background: none;
    opacity: 1;
}

.page-hero .hero-map .map-card {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 6px;
    height: 340px;
    padding: 18px 14px;
    border: 0;
    border-radius: 18px;
    background-color: var(--fg);
    background-size: cover;
    background-position: center;
    color: var(--on-image);
    box-shadow: 0 22px 54px color-mix(in oklab, var(--fg), transparent 86%);
}

.page-hero .hero-map .map-card:nth-child(1) {
    margin-top: 34px;
}

.page-hero .hero-map .map-card:nth-child(3) {
    margin-top: 64px;
}

.page-hero .hero-map .map-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--fg) 46%, transparent) 0%,
        color-mix(in srgb, var(--fg) 16%, transparent) 34%,
        color-mix(in srgb, var(--fg) 28%, transparent) 62%,
        color-mix(in srgb, var(--fg) 84%, transparent) 100%);
}

.page-hero .hero-map .map-card > * {
    position: relative;
    z-index: 1;
}

.page-hero .hero-map .map-num {
    font-family: var(--font-display);
    font-size: 40px;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--on-image);
    font-variant-numeric: tabular-nums;
}

.page-hero .hero-map .map-label {
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.4;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--on-image-muted);
}

.page-hero .hero-map .map-bar {
    position: relative;
    margin-top: auto;
    height: 2px;
    width: 100%;
    border-radius: 2px;
    background: color-mix(in srgb, var(--on-image) 50%, transparent);
}

.page-hero .hero-map .map-bar::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translate(50%, -50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--on-image);
}

.hero-map--cases .map-card:nth-child(1) {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-cases.webp");
}

.hero-map--cases .map-card:nth-child(2) {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-travel.webp");
}

.hero-map--cases .map-card:nth-child(3) {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-dao.webp");
    background-position: center 42%;
}

.hero-map--process .map-card:nth-child(1) {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-contact.webp");
    background-position: center 30%;
}

.hero-map--process .map-card:nth-child(2) {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-code.webp");
}

.hero-map--process .map-card:nth-child(3) {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-languages.webp");
}

.page-hero--compact {
    padding-bottom: clamp(48px, 6vw, 74px);
}

.page-hero--compact h1 {
    font-size: clamp(40px, 5vw, 68px);
}

/* 站点地图 atlas：圆环 + 四个节点 */
.page-hero--atlas .atlas-visual {
    position: absolute;
    right: max(20px, calc((100% - var(--weline-layout-content-max-width)) / 2));
    top: clamp(120px, 13vw, 164px);
    z-index: 1;
    width: min(38%, 480px);
    aspect-ratio: 1 / 1;
}

.page-hero--atlas .atlas-visual::before {
    content: "";
    position: absolute;
    inset: 8%;
    border: 1px solid color-mix(in oklab, var(--page-accent), transparent 62%);
    border-radius: 50%;
    box-shadow: 0 0 80px color-mix(in oklab, var(--page-accent), transparent 80%) inset;
}

.page-hero--atlas .atlas-visual::after {
    content: "";
    position: absolute;
    inset: 24%;
    border: 1px dashed color-mix(in oklab, var(--page-accent), transparent 72%);
    border-radius: 50%;
}

.page-hero--atlas .atlas-node {
    position: absolute;
    width: 31%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border: 5px solid var(--bg);
    border-radius: 50%;
    box-shadow: 0 18px 44px color-mix(in oklab, var(--fg), transparent 82%);
}

.page-hero--atlas .atlas-node img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-hero--atlas .atlas-node--code {
    display: grid;
    place-items: center;
    background-color: color-mix(in oklab, var(--code), var(--fg) 46%);
    background-image: linear-gradient(to right, color-mix(in oklab, var(--on-dark), transparent 92%) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in oklab, var(--on-dark), transparent 92%) 1px, transparent 1px);
    background-size: 22px 22px;
}

.page-hero--atlas .code-mark {
    font-family: var(--font-mono);
    font-size: clamp(22px, 2.4vw, 32px);
    letter-spacing: -0.06em;
    color: var(--on-image);
    opacity: 0.92;
}

.page-hero--atlas .atlas-node figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 8px 6px 7px;
    background: linear-gradient(transparent, color-mix(in srgb, var(--fg) 76%, transparent));
    text-align: center;
    font-family: var(--font-mono);
    font-size: 8.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-image);
}

.page-hero--atlas .atlas-node.n1 {
    left: 6%;
    top: 4%;
}

.page-hero--atlas .atlas-node.n2 {
    right: 4%;
    top: 16%;
}

.page-hero--atlas .atlas-node.n3 {
    left: 14%;
    bottom: 4%;
}

.page-hero--atlas .atlas-node.n4 {
    right: 10%;
    bottom: 10%;
}

.page-hero--atlas .atlas-centre {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: grid;
    place-items: center;
    gap: 4px;
    width: 36%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background: var(--fg);
    color: var(--on-dark);
    text-align: center;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    box-shadow: 0 0 0 10px color-mix(in oklab, var(--bg), transparent 20%);
}

.page-hero--atlas .atlas-centre b {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(26px, 3vw, 40px);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.03em;
}

.page-hero--atlas .atlas-visual + .container,
.page-hero--atlas .atlas-visual + .w-container {
    padding-right: min(44%, 540px);
}

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

/* 首页双面板 hero */
.page-hero--split .split-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
    gap: clamp(32px, 4.4vw, 64px);
    align-items: center;
}

.page-hero--split .split-copy h1 {
    font-size: clamp(44px, 4.4vw, 64px);
    line-height: 1.1;
    letter-spacing: -0.025em;
    max-width: none;
}

.page-hero--split .split-copy .actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 32px;
}

.split-visual {
    display: grid;
    gap: 14px;
    justify-items: stretch;
}

.store-preview {
    position: relative;
    margin: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid color-mix(in oklab, var(--fg), transparent 86%);
    aspect-ratio: 16 / 9;
    background: var(--fg);
}

.store-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.store-preview::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--fg) 55%, transparent));
}

.store-preview figcaption {
    position: absolute;
    left: 12px;
    bottom: 12px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
}

.store-preview .badge-run {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    background: var(--fg);
    color: var(--on-dark);
    border: 1px solid var(--hair-dark);
    border-radius: 999px;
    padding: 5px 10px;
}

.store-preview .store-name {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--on-image);
}

.proof-panel {
    max-width: 520px;
    padding: 20px 20px 18px;
    border: 1px solid var(--hair-dark);
    border-radius: var(--radius-lg);
    background: var(--fg);
    color: var(--on-dark);
}

.proof-panel .term-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--hair-dark);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--on-dark-faint);
}

.proof-panel .term-head i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--hair-dark);
    font-style: normal;
}

.proof-panel .term-body {
    padding-top: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.9;
    color: var(--on-dark-muted);
    overflow-wrap: anywhere;
}

.proof-panel .term-body .cmd {
    color: var(--on-dark);
}

.proof-panel .term-body .ok {
    color: var(--ok-on-ink);
}

.proof-panel .term-body .dim {
    color: var(--on-dark-faint);
}

.proof-panel .term-copy {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 0;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--hair-dark);
}

.proof-panel .term-copy span {
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-dark-faint);
}

.proof-panel .term-copy span + span::before {
    content: "·";
    margin: 0 9px;
    color: var(--on-dark-faint);
}

.proof-panel .term-head .copy-btn {
    margin-left: auto;
    padding: 4px 9px;
    border: 1px solid var(--hair-dark);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-dark-muted);
    transition: color var(--motion-fast), border-color var(--motion-fast), background var(--motion-fast);
}

.proof-panel .term-head .copy-btn:hover {
    color: var(--on-dark);
    border-color: var(--on-dark-muted);
}

.proof-panel .term-head .copy-btn.is-copied {
    background: var(--on-dark);
    border-color: var(--on-dark);
    color: var(--fg);
}

/* ── 区块与标题 ─────────────────────────────────────────────────── */
.section {
    padding: var(--section-y) 0;
}

.section-cta {
    padding-bottom: var(--section-y);
}

.surface {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.tint {
    background: color-mix(in oklab, var(--bg), var(--page-accent) 5.5%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    gap: clamp(28px, 5vw, 72px);
    align-items: end;
    padding-top: 24px;
    margin-bottom: 48px;
    border-top: 1px solid var(--border);
}

.section-head:not(:has(> div > p:not(.eyebrow))) {
    grid-template-columns: minmax(0, 1fr);
}

.section-head h2 {
    margin-top: 16px;
    font-family: var(--font-display);
    font-size: clamp(34px, 4vw, 56px);
    line-height: 1.08;
    letter-spacing: -0.028em;
    font-weight: 700;
    max-width: 13em;
}

.section-head > p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
    max-width: 38em;
}

.section-head .eyebrow {
    line-height: 1.65;
}

.section-head.dark {
    border-color: var(--hair-dark);
}

.section-head.dark h2 {
    color: var(--on-dark);
}

.section-head.dark p {
    color: var(--on-dark-muted);
}

.section-head.dark .eyebrow {
    color: var(--on-dark-muted);
}

.section-head.dark .eyebrow .idx {
    color: var(--accent-light);
}

.grid-2,
.grid-3,
.grid-4 {
    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));
}

/* ── 卡片 ───────────────────────────────────────────────────────── */
.card,
.site-card,
.post,
.comp,
.phase,
.step {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.card,
.site-card,
.post,
.comp {
    box-shadow: var(--elev-card);
}

.card {
    display: flex;
    flex-direction: column;
    padding: 28px;
    transition: border-color var(--motion-base) var(--ease),
        transform var(--motion-base) var(--ease),
        box-shadow var(--motion-base) var(--ease);
}

.card:hover,
.site-card:hover,
.post:hover {
    border-color: color-mix(in oklab, var(--page-accent), var(--border) 40%);
    box-shadow: 0 2px 4px color-mix(in oklab, var(--fg), transparent 94%),
        0 20px 46px color-mix(in oklab, var(--fg), transparent 92%);
}

a.card:hover,
a.post:hover,
a.site-card:hover {
    transform: translateY(-3px);
}

.card .k,
.site-card .k,
.post .k,
.comp .flag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--page-accent);
}

.card h3,
.site-card h3,
.post h3,
.comp h3 {
    margin-top: 14px;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.32;
    letter-spacing: -0.015em;
}

.card p,
.site-card p,
.post p,
.comp p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.72;
}

.card .card-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fg);
}

.card .card-action svg {
    width: 13px;
    height: 13px;
    flex: none;
    transition: transform var(--motion-base) var(--ease);
}

.card:hover .card-action {
    color: var(--page-accent);
}

.card:hover .card-action svg {
    transform: translateX(3px);
}

.card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
    margin-bottom: 16px;
}

.card a {
    color: var(--fg);
}

.card a:hover {
    color: var(--page-accent);
}

/* 例子站点卡：实拍封面 + 编辑型文字 */
.site-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color var(--motion-base) var(--ease),
        transform var(--motion-base) var(--ease),
        box-shadow var(--motion-base) var(--ease);
}

.site-card .art {
    position: relative;
    height: 270px;
    overflow: hidden;
    background-color: var(--fg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--on-image);
}

.site-card .art::after,
.case .visual::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--fg) 8%, transparent) 0%,
        color-mix(in srgb, var(--fg) 20%, transparent) 42%,
        color-mix(in srgb, var(--fg) 78%, transparent) 100%);
}

.site-card .art > *,
.case .visual > * {
    position: relative;
    z-index: 2;
}

.site-card .art .word {
    position: absolute;
    left: 22px;
    bottom: 20px;
    z-index: 2;
    font-family: var(--font-display);
    font-size: clamp(26px, 3vw, 38px);
    line-height: 0.98;
    letter-spacing: -0.03em;
    font-weight: 600;
    color: var(--on-image);
}

.site-card .art .word small {
    display: block;
    margin-top: 8px;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--on-image-muted);
}

.site-card .art .idx {
    position: absolute;
    right: 18px;
    top: 16px;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.12em;
    color: var(--on-image-faint);
}

.site-card .art.art-hanfu {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-cases.webp");
}

.site-card .art.art-travel {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-travel.webp");
}

.site-card .art.art-dao {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-dao.webp");
    background-position: center 42%;
}

.site-card .art.art-aiweline {
    background-color: color-mix(in oklab, var(--code), var(--fg) 50%);
    background-image: linear-gradient(to right, color-mix(in oklab, var(--on-dark), transparent 91%) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in oklab, var(--on-dark), transparent 91%) 1px, transparent 1px);
    background-size: 30px 30px;
}

.site-card .body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 22px 24px 24px;
}

.site-card .body p {
    flex: 1;
}

.site-card .domain {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--page-accent);
}

.site-card .domain svg {
    width: 12px;
    height: 12px;
    transition: transform var(--motion-base);
}

.site-card:hover .domain {
    color: var(--fg);
}

.site-card:hover .domain svg {
    transform: translate(2px, -2px);
}

/* 特性列表 */
.feature {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 0;
    border-top: 1px solid var(--border);
}

.feature:last-child {
    border-bottom: 1px solid var(--border);
}

.feature .n {
    padding-top: 3px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--muted);
}

.feature b {
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.feature p {
    margin-top: 5px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.65;
}

/* 证据条 */
.facts {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--border);
}

.fact {
    padding: 26px 24px 6px 0;
    border-right: 1px solid var(--border);
}

.fact:last-child {
    border-right: 0;
}

.fact b {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(38px, 4.4vw, 62px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--fg);
    font-variant-numeric: tabular-nums;
}

.fact span {
    display: block;
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--fg);
}

.fact small {
    display: block;
    max-width: 24em;
    margin-top: 6px;
    font-size: 11.5px;
    line-height: 1.6;
    color: var(--muted);
}

/* ── 案例行 ─────────────────────────────────────────────────────── */
.case {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
    padding: 52px 0;
    border-top: 1px solid var(--border);
}

.case:first-of-type {
    border-top: 0;
}

.case .visual {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    height: clamp(320px, 34vw, 460px);
    min-height: 300px;
    overflow: hidden;
    padding: 26px;
    border-radius: var(--radius-lg);
    background-color: var(--fg);
    background-size: cover;
    background-position: center;
    color: var(--on-image);
    box-shadow: 0 26px 60px color-mix(in oklab, var(--fg), transparent 88%);
}

.case .visual::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
    background: radial-gradient(ellipse 80% 80% at 20% 10%,
        color-mix(in oklab, var(--page-accent), transparent 70%), transparent 64%);
}

.case .visual .big {
    position: relative;
    z-index: 2;
    max-width: 9em;
    font-family: var(--font-display);
    font-size: clamp(30px, 3.6vw, 46px);
    line-height: 0.98;
    letter-spacing: -0.03em;
    font-weight: 600;
    color: var(--on-image);
}

.case .visual .meta {
    position: absolute;
    left: 26px;
    bottom: 24px;
    z-index: 2;
    padding: 5px 9px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--fg) 62%, transparent);
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--on-image-muted);
}

.case .visual.art-hanfu {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-cases.webp");
}

.case .visual.art-travel {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-travel.webp");
}

.case .visual.art-dao {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-dao.webp");
    background-position: center 42%;
}

.case .visual.art-aiweline {
    background-color: color-mix(in oklab, var(--code), var(--fg) 52%);
    background-image: linear-gradient(to right, color-mix(in oklab, var(--on-dark), transparent 90%) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in oklab, var(--on-dark), transparent 90%) 1px, transparent 1px);
    background-size: 32px 32px;
}

.case .content h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 3vw, 38px);
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.case .content .sub {
    margin-top: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.04em;
    color: var(--page-accent);
}

.case .content .block {
    margin-top: 22px;
}

.case .content .block h3 {
    margin-bottom: 8px;
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.case .content .block p {
    max-width: 38em;
    color: var(--fg);
    font-size: 14.5px;
    line-height: 1.85;
}

.case .content ul {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
}

.case .content li {
    position: relative;
    padding-left: 16px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
}

.case .content li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 7px;
    height: 1px;
    background: var(--page-accent);
}

.case-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.case-meta .k {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--page-accent);
}

.case-meta p {
    max-width: none;
    margin-top: 5px;
    color: var(--fg);
    font-size: 13px;
    line-height: 1.7;
}

/* ── 长文 ───────────────────────────────────────────────────────── */
.prose {
    max-width: 760px;
}

.prose h2 {
    margin-top: 52px;
    font-family: var(--font-display);
    font-size: clamp(30px, 3.2vw, 42px);
    line-height: 1.2;
    letter-spacing: -0.02em;
    font-weight: 700;
}

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

.prose h2[id] {
    scroll-margin-top: calc(var(--header-h) + 26px);
}

.prose h3 {
    margin-top: 30px;
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 600;
    letter-spacing: -0.015em;
}

.prose p {
    margin-top: 14px;
    color: var(--fg);
    font-size: 16.5px;
    line-height: 1.85;
}

.prose p.muted {
    color: var(--muted);
}

.prose ul,
.prose ol {
    margin: 14px 0 0;
    padding-left: 20px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.85;
}

.prose li {
    margin-top: 6px;
}

.prose strong {
    color: var(--fg);
    font-weight: 600;
}

.prose blockquote {
    margin: 24px 0;
    padding: 18px 22px;
    border-left: 2px solid var(--page-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    background: var(--surface);
    color: var(--fg);
    font-size: 15px;
    line-height: 1.8;
}

.prose code {
    padding: 2px 5px;
    border-radius: 4px;
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 0.88em;
}

.prose table {
    width: 100%;
    margin-top: 18px;
    border-collapse: collapse;
    font-size: 13.5px;
}

.prose th,
.prose td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.prose th {
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 400;
}

.prose td {
    color: var(--muted);
}

.prose td strong {
    color: var(--fg);
}

/* ── CTA 深色带 ─────────────────────────────────────────────────── */
.cta-band {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    overflow: hidden;
    padding: clamp(32px, 5vw, 58px);
    border-radius: 28px;
    background: var(--fg);
    color: var(--on-dark);
}

.cta-band::before {
    content: "";
    position: absolute;
    right: -120px;
    top: -160px;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in oklab, var(--page-accent), transparent 80%), transparent 62%);
}

.cta-band > * {
    position: relative;
    z-index: 1;
}

.cta-band h2 {
    max-width: 14em;
    color: var(--on-dark);
    font-family: var(--font-display);
    font-size: clamp(30px, 3.6vw, 46px);
    line-height: 1.16;
    letter-spacing: -0.02em;
}

.cta-band p {
    max-width: 34em;
    margin-top: 10px;
    color: var(--on-dark-muted);
    font-size: 14px;
}

.cta-band .actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cta-band .btn-primary {
    background: var(--bg);
    color: var(--fg);
}

.cta-band .btn-primary:hover {
    background: var(--page-accent);
    color: var(--accent-on);
}

/* ── FAQ（原生 details） ────────────────────────────────────────── */
.faq-list {
    margin-top: 8px;
    border-top: 1px solid var(--border);
}

.faq {
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}

.faq summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    cursor: pointer;
    list-style: none;
    font-family: var(--font-display);
    font-size: clamp(17px, 1.7vw, 21px);
    font-weight: 700;
    letter-spacing: -0.015em;
}

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

.faq summary::after {
    content: "+";
    flex: none;
    font-family: var(--font-mono);
    font-size: 16px;
    color: var(--page-accent);
    transition: transform var(--motion-base) var(--ease);
}

.faq[open] summary::after {
    transform: rotate(45deg);
}

.faq p {
    margin: 0;
    padding: 0 32px 18px 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.faq p code {
    padding: 1px 5px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 0.9em;
}

@supports (interpolate-size: allow-keywords) {
    .faq {
        interpolate-size: allow-keywords;
    }

    .faq::details-content {
        block-size: 0;
        overflow: hidden;
        transition: block-size 0.22s var(--ease), content-visibility 0.22s allow-discrete;
    }

    .faq[open]::details-content {
        block-size: auto;
    }
}

/* ── 站点地图 / 图集 ────────────────────────────────────────────── */
.sitemap-groups {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.sitemap-group {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 18px;
    padding: 30px 32px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--surface);
    transition: border-color var(--motion-base), transform var(--motion-base) var(--ease);
}

.sitemap-group:hover {
    border-color: color-mix(in oklab, var(--page-accent), var(--border) 40%);
    transform: translateY(-2px);
}

.sitemap-group .num {
    font-family: var(--font-display);
    font-size: 44px;
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: var(--page-accent);
}

.sitemap-group h2 {
    font-family: var(--font-display);
    font-size: 26px;
    letter-spacing: -0.01em;
}

.sitemap-group p {
    margin-top: 6px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}

.sitemap-group ul {
    display: grid;
    gap: 2px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.sitemap-group li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 44px;
    padding: 10px 0;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--fg);
}

.sitemap-group li a span {
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.1em;
    color: var(--muted);
}

.sitemap-group li a:hover,
.sitemap-group li a:hover span {
    color: var(--page-accent);
}

.atlas-products {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.atlas-product {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: 360px;
    overflow: hidden;
    padding: 22px;
    border-radius: 24px;
    background: var(--fg);
    color: var(--on-image);
    isolation: isolate;
}

.atlas-product img {
    position: absolute;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.9s var(--ease);
}

.atlas-product::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--fg) 4%, transparent) 30%,
        color-mix(in srgb, var(--fg) 82%, transparent) 100%);
}

.atlas-product:hover img {
    transform: scale(1.05);
}

.atlas-product .ap-k {
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--on-image-muted);
}

.atlas-product h3 {
    margin-top: 8px;
    font-family: var(--font-display);
    font-size: 26px;
    line-height: 1.16;
    letter-spacing: -0.01em;
    color: var(--on-image);
}

.atlas-product p {
    margin-top: 6px;
    color: var(--on-image-muted);
    font-size: 12.5px;
    line-height: 1.65;
}

.atlas-product .ap-domain {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--on-image-muted);
}

.atlas-product .ap-domain svg {
    width: 12px;
    height: 12px;
}

.atlas-product.ap-code {
    background-color: color-mix(in oklab, var(--code), var(--fg) 48%);
    background-image: linear-gradient(to right, color-mix(in oklab, var(--on-dark), transparent 92%) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in oklab, var(--on-dark), transparent 92%) 1px, transparent 1px);
    background-size: 30px 30px;
}

.image-band {
    position: relative;
    display: flex;
    align-items: flex-end;
    min-height: clamp(320px, 42vw, 520px);
    overflow: hidden;
    background-size: cover;
    background-position: center;
    color: var(--on-image);
}

.image-band::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        color-mix(in srgb, var(--fg) 8%, transparent) 0%,
        color-mix(in srgb, var(--fg) 76%, transparent) 100%);
}

.image-band .container,
.image-band .w-container {
    position: relative;
    z-index: 1;
    padding-top: clamp(90px, 12vw, 160px);
    padding-bottom: clamp(38px, 5vw, 64px);
}

.image-band .eyebrow {
    color: var(--on-image-muted);
}

.image-band h2 {
    max-width: 14em;
    font-family: var(--font-display);
    font-size: clamp(34px, 4.6vw, 62px);
    line-height: 1.14;
    letter-spacing: -0.02em;
    color: var(--on-image);
}

.image-band p {
    max-width: 34em;
    margin-top: 16px;
    color: var(--on-image-muted);
    font-size: 15px;
    line-height: 1.8;
}

/* 纸张纹理带（首页/指南） */
.cover-strip {
    position: relative;
    display: flex;
    align-items: flex-end;
    min-height: 240px;
    padding: 20px 0 26px;
    background-size: cover;
    background-position: center 30%;
    border-bottom: 1px solid var(--border);
}

.cover-strip::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
        color-mix(in srgb, var(--fg) 72%, transparent) 0%,
        color-mix(in srgb, var(--fg) 16%, transparent) 78%);
}

.cover-strip .container,
.cover-strip .w-container {
    position: relative;
    z-index: 1;
    color: var(--on-image);
}

.cover-strip h2 {
    color: var(--on-image);
    font-family: var(--font-display);
    font-size: clamp(28px, 3.4vw, 42px);
    letter-spacing: -0.02em;
}

.cover-strip .eyebrow {
    color: var(--on-image-muted);
}

/* ── 页脚 ───────────────────────────────────────────────────────── */
.site-footer {
    position: relative;
    overflow: hidden;
    padding: clamp(64px, 8vw, 92px) 0 28px;
    background: var(--fg);
    color: var(--on-dark-muted);
}

.site-footer::after {
    content: "AMAYUM";
    position: absolute;
    left: 50%;
    bottom: -0.17em;
    transform: translateX(-50%);
    font-family: var(--font-display);
    font-size: clamp(120px, 18vw, 260px);
    line-height: 0.8;
    letter-spacing: 0.02em;
    color: transparent;
    -webkit-text-stroke: 1px color-mix(in srgb, var(--on-dark) 10%, transparent);
    pointer-events: none;
    white-space: nowrap;
}

.site-footer .container,
.site-footer .w-container {
    position: relative;
    z-index: 1;
}

.foot-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) repeat(4, minmax(0, 1fr));
    gap: 30px;
}

.foot-brand .brand {
    color: var(--on-dark);
    font-size: 25px;
}

.site-footer .mark {
    background: var(--bg);
    color: var(--fg);
}

.foot-brand p {
    max-width: 26em;
    margin-top: 12px;
    color: var(--on-dark-faint);
    font-size: 12.5px;
    line-height: 1.7;
}

.foot-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 18px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--on-dark-faint);
}

.foot-col h4 {
    margin-bottom: 12px;
    font-family: var(--font-mono);
    font-size: 9.5px;
    font-weight: 400;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--on-dark);
}

.foot-col a {
    display: block;
    min-height: 34px;
    padding: 5px 0;
    color: var(--on-dark-muted);
    font-size: 13px;
    transition: color var(--motion-fast);
}

.foot-col a:hover {
    color: var(--on-dark);
}

.foot-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 48px;
    padding-top: 18px;
    border-top: 1px solid color-mix(in srgb, var(--on-dark) 16%, transparent);
    font-size: 11.5px;
    color: var(--on-dark-faint);
}

.foot-bottom .mono {
    font-size: 9px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.foot-bottom.is-flush {
    margin-top: 0;
    border-top: 0;
    padding-top: 0;
}

.to-top {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding-bottom: 2px;
    border-bottom: 1px solid transparent;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--on-dark-muted);
}

.to-top:hover {
    color: var(--on-dark);
    border-color: var(--on-dark-muted);
}

/* ── 滚动显现 ───────────────────────────────────────────────────── */
html.js .reveal {
    opacity: 0;
    translate: 0 12px;
    transition: opacity 0.45s var(--ease), translate 0.45s var(--ease);
    transition-delay: calc(var(--i, 0) * 40ms);
    will-change: opacity, translate;
}

html.js .reveal.in {
    opacity: 1;
    translate: none;
    will-change: auto;
}

html:not(.js) .reveal {
    opacity: 1;
    translate: none;
}

/* 氛围色带 */
.atmo-wash {
    position: relative;
    overflow: hidden;
    background: color-mix(in oklab, var(--bg), var(--page-accent) 6%);
    border-block: 1px solid var(--border);
}

.atmo-wash::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse 70% 100% at 82% 0%,
        color-mix(in oklab, var(--page-accent), transparent 92%), transparent 70%);
}

.atmo-wash > * {
    position: relative;
    z-index: 1;
}

/* ── 响应式 ─────────────────────────────────────────────────────── */
@media (max-width: 1279px) {
    .page-hero .hero-art {
        width: min(34%, 430px);
    }

    .page-hero .hero-art + .container,
    .page-hero .hero-art + .w-container {
        padding-right: min(40%, 460px);
    }

    .page-hero .hero-art.hero-map {
        width: min(36%, 440px);
    }

    .page-hero .hero-map .map-card {
        height: 300px;
    }

    .page-hero--atlas .atlas-visual {
        width: min(34%, 430px);
    }

    .page-hero--atlas .atlas-visual + .container,
    .page-hero--atlas .atlas-visual + .w-container {
        padding-right: min(40%, 460px);
    }
}

@media (max-width: 1023px) {
    .nav-links,
    .nav-cta {
        display: none;
    }

    .menu-btn {
        display: grid;
        margin-left: auto;
    }

    .page-hero {
        padding-top: 118px;
    }

    .page-hero .hero-art,
    .page-hero .hero-art.hero-map,
    .page-hero--atlas .atlas-visual {
        display: none;
    }

    .page-hero .hero-art + .container,
    .page-hero .hero-art + .w-container,
    .page-hero--atlas .atlas-visual + .container,
    .page-hero--atlas .atlas-visual + .w-container {
        padding-right: var(--weline-layout-content-padding-inline);
    }

    .page-hero h1 {
        font-size: clamp(38px, 7vw, 56px);
        max-width: 12em;
    }

    .page-hero--split .split-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .split-visual {
        max-width: 560px;
    }

    .section-head {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .section-head h2 {
        font-size: clamp(30px, 5.2vw, 42px);
    }

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

    .case {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .case .visual {
        position: relative;
        top: auto;
        height: clamp(240px, 52vw, 340px);
    }

    .sitemap-groups {
        grid-template-columns: 1fr;
    }

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

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

    .foot-brand {
        grid-column: 1 / -1;
    }

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

    .fact:nth-child(2n) {
        border-right: 0;
    }

    .cta-band {
        flex-direction: column;
        align-items: flex-start;
    }

    .prose table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

@media (max-width: 767px) {
    .nav {
        height: var(--header-h);
    }

    .page-hero {
        padding-top: 104px;
        padding-bottom: 56px;
    }

    .page-hero h1 {
        font-size: clamp(36px, 9.2vw, 42px);
        letter-spacing: -0.015em;
    }

    .page-hero .lead {
        font-size: 15px;
        line-height: 1.85;
    }

    .page-hero .hero-meta {
        gap: 6px;
    }

    .page-hero .hero-meta span,
    .page-hero .hero-meta a {
        font-size: 9.5px;
        padding: 5px 9px;
    }

    .page-hero--split .split-copy h1 {
        font-size: clamp(34px, 9vw, 40px);
    }

    .section-head h2 {
        font-size: clamp(26px, 7vw, 32px);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: 14px;
    }

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

    .fact {
        padding: 20px 16px 6px 0;
    }

    .fact b {
        font-size: clamp(32px, 8vw, 42px);
    }

    .case-meta {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .atlas-products {
        grid-template-columns: 1fr;
    }

    .atlas-product {
        min-height: 300px;
    }

    .sitemap-group {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .sitemap-group .num {
        font-size: 34px;
    }

    .image-band {
        min-height: 300px;
    }

    .image-band h2 {
        font-size: clamp(28px, 7.4vw, 40px);
    }

    .cta-band {
        padding: 28px 22px;
    }

    .site-footer::after {
        font-size: clamp(80px, 24vw, 140px);
        bottom: -0.12em;
    }

    .foot-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .foot-col a {
        min-height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    html.js .reveal,
    .reveal {
        opacity: 1;
        translate: none;
        transition: none;
    }

    .btn,
    .card,
    .site-card,
    .post,
    .case .visual,
    .atlas-product img,
    .sitemap-group,
    .faq::details-content {
        transition: none;
    }

    a.card:hover,
    a.post:hover,
    a.site-card:hover,
    .card:hover,
    .site-card:hover,
    .post:hover,
    .sitemap-group:hover,
    .btn:active {
        transform: none;
    }

    .atlas-product:hover img,
    .btn:hover svg,
    .card:hover .card-action svg,
    .post:hover .more svg,
    .site-card:hover .domain svg {
        transform: none;
    }

    .text-link:hover {
        gap: 7px;
    }
}

/* ── 品牌壳隔离：压过默认 theme.css 的同名组件与默认浮层 ───────── */
.site .btn-primary,
.site a.btn-primary {
    background: var(--fg);
    border-color: var(--fg);
    color: var(--bg);
}
.site .btn-primary:hover,
.site .btn-primary:focus-visible,
.site a.btn-primary:hover {
    background: var(--page-accent);
    border-color: var(--page-accent);
    color: var(--accent-on);
}
.site .btn-ghost-dark,
.site .btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--fg);
}
.site .btn-ghost-dark:hover,
.site .btn-ghost:hover {
    background: var(--surface);
    border-color: var(--fg);
    color: var(--fg);
}
/* CTA 深色带按钮：浅底按钮在墨底上要成对反色，须压过上面 .site 作用域的同名样式 */
.cta-band .btn-primary,
.cta-band a.btn-primary {
    background: var(--bg);
    border-color: var(--bg);
    color: var(--fg);
}
.cta-band .btn-primary:hover,
.cta-band .btn-primary:focus-visible,
.cta-band a.btn-primary:hover {
    background: var(--page-accent);
    border-color: var(--page-accent);
    color: var(--accent-on);
}
.cta-band .btn-ghost-dark {
    background: transparent;
    border-color: color-mix(in oklab, var(--on-dark), transparent 60%);
    color: var(--on-dark);
}
.cta-band .btn-ghost-dark:hover,
.cta-band .btn-ghost-dark:focus-visible {
    background: color-mix(in oklab, var(--on-dark), transparent 86%);
    border-color: var(--on-dark);
    color: var(--on-dark);
}
/* 默认主题注入的 App 下载条、悬浮层、音乐入口、客服 FAB：官网不启用 */
.site .weline-app-download,
.site .w-storefront-float-layer,
.site .w-store-music__entry,
.site .customer-service-widget {
    display: none;
}

/* 移动端导航：压过默认主题/部件样式 */
@media (max-width: 1023px) {
    .site .nav-links,
    .site .nav-cta {
        display: none;
    }
    .site .menu-btn {
        display: grid;
        margin-left: auto;
    }
}
/* 证据条长文本不撑破栅格 */
.facts .fact b {
    font-size: clamp(30px, 3.4vw, 50px);
    line-height: 1.05;
    overflow-wrap: anywhere;
}

/* frontend/assets/css/amayum-commerce.css */
/**
 * Amayum · /commerce 能力页
 *
 * 四图 mosaic、5 层架构图、能力矩阵（390 堆叠为四行标签）、
 * 页内 rail / 移动目录与深墨区块。
 */

/* ── 四图 mosaic hero ───────────────────────────────────────────── */
.page-hero--mosaic .hero-art {
    display: none;
}

.hero-mosaic {
    position: absolute;
    right: max(20px, calc((100% - var(--weline-layout-content-max-width)) / 2));
    top: clamp(112px, 12vw, 150px);
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 12px;
    width: min(42%, 520px);
}

.hero-mosaic figure {
    position: relative;
    min-width: 0;
    min-height: 190px;
    margin: 0;
    overflow: hidden;
    border-radius: 18px;
    background: var(--surface);
    box-shadow: 0 24px 60px color-mix(in oklab, var(--fg), transparent 86%);
}

.hero-mosaic figure:nth-child(1) {
    border-radius: 140px 140px 18px 18px;
}

.hero-mosaic figure:nth-child(4) {
    border-radius: 18px 18px 140px 140px;
}

.hero-mosaic img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease);
}

.hero-mosaic figure:hover img {
    transform: scale(1.045);
}

.hero-mosaic figure::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 48%, color-mix(in srgb, var(--fg) 76%, transparent));
}

.hero-mosaic figcaption {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 12px;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--on-image-muted);
}

.hero-mosaic .hm-code {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    padding: 18px;
    background-color: color-mix(in oklab, var(--code), var(--fg) 42%);
    color: var(--on-dark);
}

.hero-mosaic .hm-code::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.5;
    background-image: linear-gradient(to right, color-mix(in oklab, var(--on-dark), transparent 90%) 1px, transparent 1px),
        linear-gradient(to bottom, color-mix(in oklab, var(--on-dark), transparent 90%) 1px, transparent 1px);
    background-size: 24px 24px;
}

.hero-mosaic .hm-code span {
    position: relative;
    z-index: 1;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--on-dark);
}

.hero-mosaic .hm-code code {
    position: relative;
    z-index: 1;
    font-family: var(--font-mono);
    font-size: 10px;
    line-height: 1.7;
    color: var(--on-dark-muted);
    overflow-wrap: anywhere;
}

.hero-mosaic .hm-code figcaption {
    top: 14px;
    bottom: auto;
    color: var(--on-dark-faint);
}

.page-hero--mosaic .hero-mosaic + .container,
.page-hero--mosaic .hero-mosaic + .w-container {
    padding-right: min(48%, 580px);
}

/* ── 状态标签：圆点 + 文字，绝不只靠颜色 ──────────────────────── */
.status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    white-space: nowrap;
}

.status::before {
    content: "";
    flex: none;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--muted);
}

.status--verified {
    color: var(--travel);
}

.status--verified::before {
    background: var(--travel);
}

.status--partial {
    color: var(--state-partial-ink);
}

.status--partial::before {
    background: var(--state-partial-dot);
}

.status--missing {
    color: var(--muted);
}

.status--missing::before {
    background: transparent;
    border: 1.5px solid var(--muted);
}

.status--na {
    color: var(--muted);
}

.status--na::before {
    background: transparent;
    transform: rotate(45deg);
    border-top: 1.5px solid var(--muted);
    border-right: 1.5px solid var(--muted);
    border-radius: 0;
}

/* ── 能力矩阵 ───────────────────────────────────────────────────── */
.cap-matrix {
    width: 100%;
    margin-top: 28px;
    border: 1px solid var(--border);
    border-collapse: collapse;
    background: var(--surface);
    font-size: 13.5px;
}

.cap-matrix caption {
    padding: 0 0 12px;
    text-align: left;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.cap-matrix th {
    padding: 12px 14px;
    border-bottom: 1px solid var(--fg);
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 9.5px;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-align: left;
    color: var(--muted);
}

.cap-matrix td {
    padding: 15px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    color: var(--muted);
    line-height: 1.62;
}

.cap-matrix tbody tr:hover {
    background: color-mix(in oklab, var(--bg), var(--surface) 40%);
}

.cap-matrix td strong {
    color: var(--fg);
    font-weight: 700;
    font-size: 14px;
}

.cap-matrix td.mono {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--fg);
    white-space: nowrap;
}

.cap-matrix tr:last-child td {
    border-bottom: 0;
}

.cap-matrix code {
    padding: 1px 5px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 0.88em;
    color: var(--fg);
}

/* ── 5 层架构图 ─────────────────────────────────────────────────── */
.arch-diagram {
    display: grid;
    gap: 0;
    counter-reset: layer;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.arch-layer {
    position: relative;
    display: grid;
    grid-template-columns: 34px minmax(0, 0.9fr) minmax(0, 1.25fr) auto;
    gap: 14px;
    align-items: center;
    padding: 17px 18px;
    border-bottom: 1px solid var(--border);
    counter-increment: layer;
}

.arch-layer:last-child {
    border-bottom: 0;
}

.arch-layer::before {
    content: "0" counter(layer);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--page-accent);
}

.arch-layer .l-name {
    font-family: var(--font-mono);
    font-size: 12.5px;
    letter-spacing: 0.04em;
    color: var(--fg);
}

.arch-layer .l-desc {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

.arch-layer .l-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-align: right;
    color: var(--muted);
}

.arch-layer + .arch-layer::after {
    content: "↓";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate(-50%, -58%);
    display: grid;
    place-items: center;
    width: 18px;
    height: 16px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--page-accent);
}

.arch-diagram .arch-top {
    background: var(--fg);
    color: var(--on-dark);
}

.arch-diagram .arch-top .l-name {
    color: var(--on-dark);
}

.arch-diagram .arch-top .l-tag {
    color: var(--on-dark-faint);
}

.arch-diagram .arch-top::before {
    color: var(--accent-light);
}

/* ── 深墨区块 ───────────────────────────────────────────────────── */
.section--ink {
    background: var(--fg);
    color: var(--on-dark);
    border-block: 1px solid var(--hair-dark);
}

.section--ink .section-head {
    border-color: var(--hair-dark);
}

.section--ink .section-head h2 {
    color: var(--on-dark);
}

.section--ink .section-head .eyebrow {
    color: var(--on-dark-muted);
}

.section--ink .section-head .eyebrow .idx {
    color: var(--accent-light);
}

.section--ink .section-head > p {
    color: var(--on-dark-muted);
}

.section--ink .cap-matrix {
    border-color: var(--hair-dark);
    background: color-mix(in oklab, var(--fg), var(--on-dark) 6%);
}

.section--ink .cap-matrix th {
    border-bottom-color: var(--on-dark-muted);
    background: color-mix(in oklab, var(--fg), var(--on-dark) 10%);
    color: var(--on-dark-muted);
}

.section--ink .cap-matrix td {
    border-bottom-color: var(--hair-dark);
    color: var(--on-dark-muted);
}

.section--ink .cap-matrix td strong,
.section--ink .cap-matrix td.mono {
    color: var(--on-dark);
}

.section--ink .cap-matrix tbody tr:hover {
    background: color-mix(in oklab, var(--fg), var(--on-dark) 9%);
}

.section--ink .cap-matrix code {
    border-color: var(--hair-dark);
    background: color-mix(in oklab, var(--fg), var(--on-dark) 12%);
    color: var(--on-dark);
}

.section--ink .status {
    color: var(--on-dark-muted);
}

.section--ink .status--verified {
    color: var(--ok-on-ink);
}

.section--ink .status--verified::before {
    background: var(--ok-on-ink);
}

.section--ink .status--partial {
    color: var(--warn-on-ink);
}

.section--ink .status--partial::before {
    background: var(--warn-dot-on-ink);
}

.section--ink .status--missing,
.section--ink .status--na {
    color: var(--on-dark-faint);
}

.section--ink .status--missing::before,
.section--ink .status--na::before {
    border-color: var(--on-dark-muted);
}

.section--ink .text-link {
    color: var(--on-dark);
    border-bottom-color: var(--on-dark-faint);
}

.section--ink .text-link:hover {
    border-color: var(--on-dark);
}

/* ── 页内 rail（≥1280）/ 折叠目录（<1280） ─────────────────────── */
.page-rail {
    display: none;
}

.page-toc {
    display: none;
}

@media (min-width: 1280px) {
    .page-rail {
        position: sticky;
        top: var(--header-h);
        z-index: 90;
        display: flex;
        align-items: center;
        gap: 20px;
        overflow-x: auto;
        padding: 11px max(var(--weline-layout-content-padding-inline),
                calc((100% - var(--weline-layout-content-max-width)) / 2 + var(--weline-layout-content-padding-inline)));
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        background: color-mix(in oklab, var(--bg), transparent 3%);
        backdrop-filter: blur(14px) saturate(130%);
        scrollbar-width: none;
    }

    .page-rail::-webkit-scrollbar {
        display: none;
    }

    .page-rail a {
        flex: none;
        display: inline-flex;
        align-items: baseline;
        gap: 6px;
        padding: 3px 0;
        border-bottom: 1px solid transparent;
        font-family: var(--font-mono);
        font-size: 10px;
        letter-spacing: 0.08em;
        color: var(--muted);
        white-space: nowrap;
    }

    .page-rail a .mono {
        font-size: 9.5px;
        color: var(--page-accent);
    }

    .page-rail a:hover {
        color: var(--fg);
    }

    .page-rail a[aria-current="true"] {
        color: var(--fg);
        border-bottom-color: var(--fg);
    }

    body.page-commerce section[id] {
        scroll-margin-top: calc(var(--header-h) + 54px);
    }
}

@media (max-width: 1279px) {
    .page-toc {
        display: block;
        width: min(100%, var(--weline-layout-content-max-width));
        margin: 0 auto;
        padding-inline: var(--weline-layout-content-padding-inline);
    }

    .page-toc summary {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        min-height: 44px;
        padding: 14px 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        cursor: pointer;
        list-style: none;
        font-family: var(--font-mono);
        font-size: 10px;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--muted);
    }

    .page-toc summary::-webkit-details-marker {
        display: none;
    }

    .page-toc summary::after {
        content: "+";
        font-size: 14px;
        color: var(--page-accent);
    }

    .page-toc[open] summary::after {
        content: "−";
    }

    .page-toc nav {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0 18px;
        padding: 8px 0 14px;
        border-bottom: 1px solid var(--border);
    }

    .page-toc a {
        display: flex;
        align-items: baseline;
        gap: 7px;
        min-height: 44px;
        padding: 7px 0;
        border-bottom: 1px solid color-mix(in oklab, var(--border), transparent 40%);
        font-family: var(--font-mono);
        font-size: 10.5px;
        letter-spacing: 0.06em;
        color: var(--muted);
    }

    .page-toc a .mono {
        font-size: 9.5px;
        color: var(--page-accent);
    }

    .page-toc a[aria-current="true"] {
        color: var(--fg);
        font-weight: 600;
    }

    .page-toc a[aria-current="true"] .mono {
        color: var(--fg);
    }
}

/* ── 响应式 ─────────────────────────────────────────────────────── */
@media (max-width: 1279px) {
    .hero-mosaic {
        width: min(40%, 480px);
    }

    .page-hero--mosaic .hero-mosaic + .container,
    .page-hero--mosaic .hero-mosaic + .w-container {
        padding-right: min(44%, 520px);
    }
}

@media (max-width: 1023px) {
    .hero-mosaic {
        display: none;
    }

    .page-hero--mosaic .hero-mosaic + .container,
    .page-hero--mosaic .hero-mosaic + .w-container {
        padding-right: var(--weline-layout-content-padding-inline);
    }
}

@media (max-width: 767px) {
    .page-toc nav {
        grid-template-columns: 1fr;
    }

    .arch-layer {
        grid-template-columns: 26px minmax(0, 1fr) auto;
        row-gap: 4px;
    }

    .arch-layer .l-desc {
        grid-column: 2 / 4;
    }

    .arch-layer .l-tag {
        grid-column: 3;
        grid-row: 1;
        font-size: 10.5px;
        text-align: right;
    }

    /* 能力矩阵在 390 堆叠为四行标签，所有列可见 */
    .cap-matrix {
        display: block;
        overflow: visible;
        border: 0;
        background: none;
        font-size: 13px;
    }

    .cap-matrix caption {
        padding: 0 2px 12px;
    }

    .cap-matrix thead {
        display: none;
    }

    .cap-matrix tbody {
        display: block;
    }

    .cap-matrix tr {
        display: block;
        overflow: hidden;
        margin-bottom: 12px;
        padding: 2px 0;
        border: 1px solid var(--border);
        border-radius: 14px;
        background: var(--surface);
        box-shadow: var(--elev-card);
    }

    .cap-matrix td {
        display: grid;
        grid-template-columns: 72px minmax(0, 1fr);
        gap: 12px;
        align-items: start;
        min-width: 0;
        padding: 10px 14px;
        border: 0;
        border-bottom: 1px solid var(--border);
        white-space: normal;
        overflow-wrap: anywhere;
    }

    .cap-matrix tr td:last-child {
        border-bottom: 0;
    }

    .cap-matrix td::before {
        font-family: var(--font-mono);
        font-size: 10.5px;
        line-height: 1.6;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--muted);
    }

    .cap-matrix td:nth-child(1)::before {
        content: "模块";
    }

    .cap-matrix td:nth-child(2)::before {
        content: "状态";
    }

    .cap-matrix td:nth-child(3)::before {
        content: "说明";
    }

    .cap-matrix td:nth-child(4)::before {
        content: "边界";
    }

    .cap-matrix td.mono {
        font-size: 11px;
        white-space: normal;
    }

    .cap-matrix td strong {
        font-size: 13.5px;
    }

    .section--ink .cap-matrix tr {
        border-color: var(--hair-dark);
        background: color-mix(in oklab, var(--fg), var(--on-dark) 6%);
    }

    .section--ink .cap-matrix td {
        border-bottom-color: var(--hair-dark);
    }

    .section--ink .cap-matrix td::before {
        color: var(--on-dark-faint);
    }

    .status {
        font-size: 11px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-mosaic img {
        transition: none;
    }

    .hero-mosaic figure:hover img {
        transform: none;
    }
}

/* frontend/assets/css/amayum-journal.css */
/**
 * Amayum · /journal 与文章页
 *
 * 指南 hub、文章头、sticky 目录、封面、guide-cover、相关阅读。
 */

/* ── 文章骨架 ───────────────────────────────────────────────────── */
.article-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: clamp(32px, 6vw, 80px);
    align-items: start;
}

.article-body {
    min-width: 0;
    padding-top: 8px;
}

.article-aside {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.article-aside .k {
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--page-accent);
}

.article-aside a {
    display: block;
    min-height: 40px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
    transition: color var(--motion-fast);
}

.article-aside a:hover {
    color: var(--fg);
}

.article-aside a[aria-current="true"] {
    color: var(--page-accent);
    font-weight: 600;
}

.article-aside .meta {
    margin-top: 20px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.7;
}

.article-head {
    margin-bottom: 34px;
}

.article-head h1 {
    font-family: var(--font-display);
    font-size: clamp(38px, 4.8vw, 60px);
    line-height: 1.14;
    letter-spacing: -0.015em;
}

.article-head .dek {
    max-width: 40em;
    margin-top: 16px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.9;
}

.article-head .byline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 22px;
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--page-accent);
}

.cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--surface);
}

/* ── 指南卡 ─────────────────────────────────────────────────────── */
.post {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-color var(--motion-base) var(--ease),
        transform var(--motion-base) var(--ease),
        box-shadow var(--motion-base) var(--ease);
}

.post .cover {
    border: 0;
    border-radius: 0;
    aspect-ratio: 16 / 9;
    transition: transform 0.8s var(--ease);
}

a.post:hover .cover {
    transform: scale(1.03);
}

.post .body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 22px 24px 24px;
}

.post .k {
    font-size: 9px;
}

.post h3 {
    margin-top: 10px;
    font-size: 20px;
    line-height: 1.42;
}

.post p {
    flex: 1;
    margin-top: 8px;
    font-size: 13.5px;
    line-height: 1.65;
}

.post .more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 36px;
    margin-top: 16px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.06em;
    color: var(--page-accent);
}

.post .more svg {
    width: 12px;
    height: 12px;
    transition: transform var(--motion-base);
}

.post:hover .more {
    color: var(--fg);
}

.post:hover .more svg {
    transform: translateX(3px);
}

.guide-card {
    position: relative;
}

.guide-card .g-num {
    display: block;
    margin-bottom: 12px;
    font-family: var(--font-display);
    font-size: 34px;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--page-accent);
}

.guide-card .g-meta {
    display: flex;
    gap: 10px;
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ── 文字型 guide cover ─────────────────────────────────────────── */
.guide-cover {
    position: relative;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: end;
    gap: clamp(20px, 3vw, 36px);
    min-height: 200px;
    margin: 40px 0 0;
    padding: clamp(28px, 3vw, 40px);
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--surface);
}

.guide-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.6;
    background-image: linear-gradient(to right, var(--grid-light) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-light) 1px, transparent 1px);
    background-size: 36px 36px;
    -webkit-mask-image: linear-gradient(100deg, transparent 30%, var(--fg) 100%);
    mask-image: linear-gradient(100deg, transparent 30%, var(--fg) 100%);
}

.guide-cover > * {
    position: relative;
    z-index: 1;
}

.gc-num {
    font-family: var(--font-display);
    font-size: clamp(64px, 7vw, 104px);
    font-weight: 700;
    line-height: 0.82;
    letter-spacing: -0.05em;
    color: var(--page-accent);
    font-variant-numeric: tabular-nums;
}

.gc-word {
    font-family: var(--font-display);
    font-size: clamp(24px, 2.7vw, 38px);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.02em;
    color: var(--fg);
}

.gc-tag {
    align-self: start;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    writing-mode: vertical-rl;
}

/* ── 指南 hub 顶部图像带 ────────────────────────────────────────── */
.cover-strip {
    background-image: url("/static/official/v1/47dc1f75819f/Amayum/official/frontend/assets/images/cover-languages.webp");
}

/* ── 相关阅读 / 下一步 ──────────────────────────────────────────── */
.related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 28px;
}

.related-grid .card {
    min-width: 0;
}

/* ── 响应式 ─────────────────────────────────────────────────────── */
@media (max-width: 1023px) {
    .article-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .article-body,
    .article-aside {
        min-width: 0;
    }

    .article-aside {
        position: static;
        margin-top: 32px;
    }

    .article-aside a {
        min-height: 44px;
    }

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

@media (max-width: 767px) {
    .guide-cover {
        grid-template-columns: auto minmax(0, 1fr);
        min-height: 160px;
        padding: 24px;
    }

    .gc-tag {
        display: none;
    }

    .article-head h1 {
        font-size: clamp(30px, 8.4vw, 38px);
    }

    .post .k {
        font-size: 10.5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .post .cover,
    a.post:hover .cover {
        transition: none;
        transform: none;
    }
}

/* frontend/assets/css/amayum-contact.css */
/**
 * Amayum · /contact 诊断申请
 *
 * 表单、aside、错误/成功状态、mailto 回退、合作流程。
 * 成功态只由服务端渲染；本文件不提供“假成功”样式。
 */

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
}

.form-panel {
    padding: clamp(24px, 3vw, 38px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: 0 18px 50px color-mix(in oklab, var(--fg), transparent 94%);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.field {
    margin-bottom: 16px;
    scroll-margin-top: calc(var(--header-h) + 18px);
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 12.5px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--fg);
}

.req {
    color: var(--page-accent);
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 12px 13px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    color: var(--fg);
    font: 14px/1.4 var(--font-body);
    transition: border-color var(--motion-fast);
}

.field textarea {
    min-height: 120px;
    resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
    color: color-mix(in oklab, var(--muted), var(--bg) 12%);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--page-accent);
    box-shadow: var(--focus-ring);
}

.field.invalid input,
.field.invalid select,
.field.invalid textarea {
    border-color: var(--danger);
    background: color-mix(in oklab, var(--danger), var(--surface) 97%);
}

.field .err {
    display: none;
    margin-top: 5px;
    font-size: 11.5px;
    color: var(--danger);
}

.field.invalid .err {
    display: block;
}

.check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 6px;
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.6;
}

.check input {
    flex: none;
    width: 16px;
    height: 16px;
    margin-top: 3px;
    accent-color: var(--page-accent);
}

.check-wrap {
    scroll-margin-top: calc(var(--header-h) + 18px);
}

.check-wrap .err {
    display: none;
    margin: 6px 0 0;
    font-size: 11.5px;
    color: var(--danger);
}

.check-wrap.invalid .err {
    display: block;
}

.check-wrap.invalid .check {
    color: var(--danger);
}

.form-status {
    display: none;
    margin-top: 16px;
    padding: 13px 15px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.6;
}

.form-status.ok {
    display: block;
    border-color: color-mix(in oklab, var(--travel), transparent 66%);
    background: color-mix(in oklab, var(--travel), transparent 92%);
    color: var(--travel);
}

.form-status.pending {
    display: block;
    border-color: var(--border);
    background: var(--surface-2);
    color: var(--muted);
}

.form-status.err {
    display: block;
    border-color: color-mix(in oklab, var(--danger), transparent 72%);
    background: color-mix(in oklab, var(--danger), transparent 93%);
    color: var(--danger);
}

.form-status a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 22px;
}

.form-meta {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.03em;
    color: var(--muted);
}

/* 蜜罐字段：可见性由服务端模板决定，CSS 只保证不占版面 */
.hp-field,
.field--hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.contact-aside .block {
    padding: 20px 0;
    border-top: 1px solid var(--border);
}

.contact-aside .block:last-child {
    border-bottom: 1px solid var(--border);
}

.contact-aside .k {
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--page-accent);
}

.contact-aside .block p {
    margin-top: 8px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}

.contact-aside .block a {
    display: inline-block;
    min-height: 44px;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--border);
    color: var(--fg);
    font-size: 14px;
}

/* ── 合作流程 ───────────────────────────────────────────────────── */
.coop-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--border);
    list-style: none;
}

.coop-step {
    min-width: 0;
    padding: 24px 20px 26px;
    background: var(--surface);
}

.coop-num {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--page-accent);
}

.coop-step h3 {
    margin-top: 10px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.coop-step p {
    margin-top: 7px;
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.65;
}

.coop-meta {
    display: grid;
    gap: 9px;
    margin: 18px 0 0;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.coop-meta dt {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.coop-meta dd {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

.coop-exclude {
    display: grid;
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
    gap: 24px;
    margin-top: 18px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-2);
}

.coop-exclude-head .mono {
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.coop-exclude h3 {
    margin-top: 8px;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.coop-exclude ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.coop-exclude li b {
    display: block;
    font-size: 13px;
    font-weight: 600;
}

.coop-exclude li span {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 12.5px;
    line-height: 1.6;
}

/* 指南 hub 的“怎么读”三列 */
@media (min-width: 1024px) {
    .coop-grid--3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* ── 响应式 ─────────────────────────────────────────────────────── */
@media (max-width: 1023px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .coop-exclude {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

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

    .coop-exclude ul {
        grid-template-columns: 1fr;
    }

    .field .err,
    .check-wrap .err {
        font-size: 12.5px;
        line-height: 1.5;
    }
}