:root {
    --brand: #A9503F;
    --gold: #D9A15B;
    --ink: #241F1D;
    --paper: #F8F5F1;
    --paper-2: #EFE8E1;
    --text: #332E2B;
    --muted: #746B65;
    --accent: #E07A3F;
    --line: rgba(36,31,29,.14);
    --soft-line: rgba(36,31,29,.08);
    --white: #fff;
    --shadow: 0 18px 55px rgba(36,31,29,.09);
    --shadow-soft: 0 10px 28px rgba(36,31,29,.07);
    --radius: 22px;
    --radius-sm: 14px;
    --max: 1180px;
    --reading: 780px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background: var(--paper);
}

body {
    margin: 0;
    color: var(--text);
    background: var(--paper);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.78;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
}

body.modal-open {
    overflow: hidden;
}

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

a:hover {
    color: var(--brand);
}

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

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

::selection {
    background: rgba(169,80,63,.18);
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 2000;
    padding: 10px 14px;
    background: var(--ink);
    color: var(--white);
}

.skip-link:focus {
    left: 12px;
    top: 12px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--soft-line);
    background: rgba(248,245,241,.94);
    backdrop-filter: blur(16px);
}

.header-shell {
    width: min(var(--max), calc(100% - 40px));
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    color: var(--ink);
    font-weight: 800;
    letter-spacing: .02em;
    white-space: nowrap;
}

.brand img {
    width: 42px;
    height: 42px;
    margin-right: 10px;
    object-fit: contain;
}

.primary-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 auto;
    gap: 5px;
}

.primary-nav a {
    padding: 10px 11px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1;
    white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
    color: var(--brand);
    background: rgba(169,80,63,.08);
}

.search-open,
.menu-toggle {
    appearance: none;
    border: 1px solid var(--line);
    background: transparent;
    border-radius: 999px;
    min-height: 42px;
    padding: 0 15px;
    cursor: pointer;
}

.search-open:hover,
.menu-toggle:hover {
    border-color: rgba(169,80,63,.36);
    color: var(--brand);
}

.menu-toggle {
    display: none;
}

main {
    min-height: 60vh;
}

.section-pad {
    padding: 78px 0;
}

.section-narrow,
.cover-shell,
.entry-strip,
.headline-flow,
.editorial-mosaic,
.horizontal-rail,
.device-band,
.compact-links,
.mixed-feed,
.topic-index,
.text-index,
.page-hero,
.filter-strip,
.focus-split,
.deep-banner,
.brand-bar,
.asymmetric-grid,
.editorial-split,
.notice-band,
.guide-feature,
.guide-index,
.topic-catalog,
.topic-hero,
.large-story-list,
.guide-topic-links,
.article-shell,
.related-reading,
.faq-layout,
.prose-columns,
.editorial-values,
.safety-list,
.legal-prose,
.contact-layout,
.large-search,
.search-results,
.not-found,
.site-footer > .footer-grid,
.site-footer > .footer-bottom {
    width: min(var(--max), calc(100% - 40px));
    margin-left: auto;
    margin-right: auto;
}

.section-narrow {
    max-width: var(--reading);
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--brand);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.lead {
    margin: 18px 0 0;
    color: var(--muted);
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.72;
}

h1,
h2,
h3 {
    color: var(--ink);
    line-height: 1.25;
    letter-spacing: -.025em;
}

h1 {
    font-size: clamp(38px, 6vw, 70px);
    margin: 0;
}

h2 {
    font-size: clamp(28px, 3.7vw, 45px);
    margin: 0;
}

h3 {
    font-size: clamp(20px, 2.2vw, 26px);
}

p {
    margin: 0 0 1em;
}

.section-heading,
.split-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 34px;
}

.section-heading > div,
.split-heading > div {
    max-width: 760px;
}

.section-heading p,
.split-heading p {
    margin: 10px 0 0;
    color: var(--muted);
}

.text-link,
.section-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand);
    font-weight: 700;
}

.text-link::after,
.section-link::after {
    content: "→";
    transition: transform .2s ease;
}

.text-link:hover::after,
.section-link:hover::after {
    transform: translateX(4px);
}

.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 20px;
    border: 1px solid var(--brand);
    border-radius: 999px;
    background: var(--brand);
    color: var(--white);
    font-weight: 760;
    box-shadow: 0 8px 24px rgba(169,80,63,.16);
}

.button-link:hover {
    color: var(--white);
    transform: translateY(-1px);
}

.button-link.secondary {
    color: var(--ink);
    border-color: var(--line);
    background: transparent;
    box-shadow: none;
}

.button-link.secondary:hover {
    color: var(--brand);
    border-color: rgba(169,80,63,.4);
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 2px 10px;
    border-radius: 999px;
    background: rgba(217,161,91,.16);
    color: #765125;
    font-size: 12px;
    font-weight: 750;
}

.meta-line {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.breadcrumbs {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    padding: 26px 0 4px;
    color: var(--muted);
    font-size: 13px;
}

.breadcrumbs a {
    color: var(--brand);
}

.breadcrumbs span {
    margin: 0 7px;
}

.cover-shell {
    display: grid;
    grid-template-columns: minmax(0, .93fr) minmax(420px, 1.07fr);
    align-items: stretch;
    gap: 24px;
    padding-top: 36px;
    padding-bottom: 32px;
}

.cover-intro {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(28px, 4vw, 56px);
    border-radius: 30px;
    background: var(--paper-2);
}

.cover-intro h1 {
    max-width: 9em;
}

.cover-intro .lead {
    max-width: 31em;
}

.inline-search {
    display: flex;
    gap: 10px;
    margin-top: 28px;
    max-width: 620px;
}

.inline-search input,
.large-search input,
.search-panel input {
    min-width: 0;
    flex: 1;
    height: 50px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    padding: 0 18px;
    color: var(--ink);
    outline: none;
}

.inline-search input:focus,
.large-search input:focus,
.search-panel input:focus {
    border-color: rgba(169,80,63,.58);
    box-shadow: 0 0 0 4px rgba(169,80,63,.08);
}

.inline-search button,
.large-search button,
.search-panel form button {
    border: 0;
    border-radius: 999px;
    padding: 0 20px;
    background: var(--accent);
    color: var(--white);
    font-weight: 760;
    cursor: pointer;
}

.cover-visual {
    min-height: 520px;
    position: relative;
    overflow: hidden;
    border-radius: 30px;
    background: var(--ink);
}

.cover-visual img {
    width: 100%;
    height: 100%;
    min-height: 520px;
    object-fit: cover;
    opacity: .94;
}

.cover-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 55%, rgba(36,31,29,.36));
}

.entry-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.entry-strip a {
    min-width: 0;
    padding: 26px 24px;
    border-right: 1px solid var(--line);
}

.entry-strip a:last-child {
    border-right: 0;
}

.entry-strip strong {
    display: block;
    color: var(--ink);
    font-size: 18px;
    margin-bottom: 5px;
}

.entry-strip span {
    color: var(--muted);
    font-size: 14px;
}

.headline-flow {
    padding: 82px 0 34px;
}

.headline-flow-list {
    border-top: 1px solid var(--line);
}

.headline-flow article {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr) auto;
    align-items: start;
    gap: 26px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.headline-flow .flow-index {
    color: var(--gold);
    font-size: 29px;
    font-weight: 800;
    line-height: 1;
}

.headline-flow h3 {
    margin: 0 0 8px;
}

.headline-flow p {
    color: var(--muted);
    margin: 0;
}

.editorial-mosaic {
    display: grid;
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .68fr);
    grid-template-rows: auto auto;
    gap: 18px;
    padding: 64px 0 82px;
}

.mosaic-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow-soft);
}

.mosaic-main {
    grid-row: 1 / 3;
}

.image-link {
    display: block;
    overflow: hidden;
}

.mosaic-item img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform .35s ease;
}

.mosaic-main img {
    aspect-ratio: 4 / 3;
    min-height: 100%;
}

.mosaic-item:hover img,
.rail-item:hover img,
.story-row:hover img,
.topic-card-wide:hover img,
.guide-feature:hover img {
    transform: scale(1.025);
}

.mosaic-copy {
    padding: 24px;
}

.mosaic-copy h3 {
    margin: 8px 0 10px;
}

.mosaic-copy p {
    margin: 0;
    color: var(--muted);
}

.warm-band {
    padding: 82px 0;
    background: var(--paper-2);
}

.horizontal-rail {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.rail-item {
    min-width: 0;
}

.rail-item .image-link {
    border-radius: 18px;
    background: #ddd;
}

.rail-item img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform .35s ease;
}

.rail-item h3 {
    margin: 14px 0 6px;
    font-size: 20px;
}

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

.device-band {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    align-items: center;
    gap: clamp(30px, 6vw, 76px);
    padding: 92px 0;
}

.device-visual {
    position: relative;
}

.device-visual img {
    width: 100%;
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.device-copy h2 {
    max-width: 10em;
}

.device-copy ul,
.check-stack,
.contact-checklist {
    list-style: none;
    padding: 0;
    margin: 26px 0 0;
}

.device-copy li,
.check-stack li,
.contact-checklist li {
    position: relative;
    padding: 11px 0 11px 28px;
    border-bottom: 1px solid var(--soft-line);
}

.device-copy li::before,
.check-stack li::before,
.contact-checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--brand);
    font-weight: 800;
}

.compact-links {
    padding: 0 0 82px;
}

.compact-links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 50px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
}

.compact-links a {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 14px 0;
    border-bottom: 1px solid var(--soft-line);
}

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

.mixed-feed {
    padding: 88px 0;
}

.feed-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(310px, .72fr);
    gap: 54px;
}

.story-row {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 22px;
    padding: 20px 0;
    border-top: 1px solid var(--line);
}

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

.story-row img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 14px;
    transition: transform .35s ease;
}

.story-row h3 {
    margin: 4px 0 8px;
}

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

.feed-side {
    align-self: start;
    position: sticky;
    top: 110px;
    padding: 28px;
    border-radius: 22px;
    background: var(--paper-2);
}

.feed-side h3 {
    margin-top: 0;
}

.feed-side ol {
    margin: 0;
    padding-left: 22px;
}

.feed-side li {
    padding: 9px 0;
    border-bottom: 1px solid var(--soft-line);
}

.dark-topic {
    padding: 88px 0;
    background: var(--ink);
    color: rgba(255,255,255,.77);
}

.dark-topic h2,
.dark-topic h3,
.dark-topic .section-link {
    color: var(--white);
}

.dark-topic .eyebrow {
    color: var(--gold);
}

.dark-topic .section-heading p {
    color: rgba(255,255,255,.58);
}

.topic-index {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255,255,255,.13);
    border: 1px solid rgba(255,255,255,.13);
}

.topic-index a {
    min-height: 170px;
    padding: 26px;
    background: var(--ink);
}

.topic-index a:hover {
    background: #2d2724;
    color: var(--white);
}

.topic-index p {
    color: rgba(255,255,255,.55);
    margin: 8px 0 0;
    font-size: 14px;
}

.topic-no {
    display: block;
    color: var(--gold);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .12em;
}

.text-index {
    padding: 88px 0 98px;
}

.dense-link-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0 36px;
    border-top: 1px solid var(--line);
}

.dense-link-list a {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}

.dense-link-list small {
    color: var(--muted);
}

.page-title,
.page-hero {
    padding-top: 45px;
    padding-bottom: 66px;
}

.page-title .lead,
.page-hero .lead {
    max-width: 760px;
}

.page-hero-grid {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
    gap: 58px;
}

.page-hero-grid.reverse-grid {
    grid-template-columns: .88fr 1.12fr;
}

.page-hero img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.filter-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-bottom: 36px;
}

.filter-strip a {
    padding: 8px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 13px;
}

.filter-strip a:hover,
.filter-strip a[aria-current="true"] {
    color: var(--brand);
    border-color: rgba(169,80,63,.38);
    background: rgba(169,80,63,.06);
}

.two-column-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 42px;
    border-top: 1px solid var(--line);
}

.two-column-list article {
    padding: 25px 0;
    border-bottom: 1px solid var(--line);
}

.two-column-list h3 {
    margin: 8px 0;
}

.two-column-list p {
    color: var(--muted);
    margin: 0 0 12px;
}

.focus-split {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 54px;
    padding: 88px 0;
}

.focus-split > div:last-child {
    padding-top: 12px;
}

.numbered-points {
    counter-reset: point;
    margin: 0;
    padding: 0;
    list-style: none;
}

.numbered-points li {
    counter-increment: point;
    position: relative;
    padding: 18px 0 18px 52px;
    border-bottom: 1px solid var(--line);
}

.numbered-points li::before {
    content: counter(point, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 20px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 800;
}

.deep-banner {
    padding: 58px 0;
}

.deep-banner-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    gap: 44px;
    padding: 44px;
    color: rgba(255,255,255,.76);
    background: var(--ink);
    border-radius: 28px;
    overflow: hidden;
}

.deep-banner h2 {
    color: var(--white);
}

.deep-banner img {
    width: 100%;
    border-radius: 18px;
}

.prose-intro {
    max-width: 760px;
    color: var(--muted);
}

.brand-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 18px 0 54px;
}

.brand-bar > div {
    padding: 20px 22px;
    border-left: 3px solid var(--gold);
    background: var(--paper-2);
}

.brand-bar strong {
    display: block;
    color: var(--ink);
    margin-bottom: 4px;
}

.brand-bar span {
    color: var(--muted);
    font-size: 14px;
}

.asymmetric-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 58px;
    padding: 68px 0 92px;
}

.large-figure img {
    width: 100%;
    border-radius: 26px;
    box-shadow: var(--shadow-soft);
}

.soft-panel {
    padding: 28px;
    border-radius: 20px;
    background: var(--paper-2);
}

.soft-panel h3 {
    margin-top: 0;
}

.editorial-split {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 62px;
    padding: 88px 0;
}

.story-list {
    border-top: 1px solid var(--line);
}

.story-list article {
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}

.story-list h3 {
    margin: 6px 0;
}

.story-list p {
    color: var(--muted);
    margin-bottom: 9px;
}

.notice-band {
    padding: 30px 0;
}

.notice-band > div {
    padding: 28px 32px;
    border-left: 4px solid var(--brand);
    background: var(--paper-2);
}

.notice-band h3 {
    margin: 0 0 7px;
}

.notice-band p {
    margin: 0;
    color: var(--muted);
}

.guide-feature {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 34px;
    align-items: center;
    padding: 20px 0 72px;
}

.guide-feature img {
    width: 100%;
    border-radius: 24px;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform .35s ease;
}

.guide-feature-copy {
    padding: 14px 0;
}

.guide-list {
    border-top: 1px solid var(--line);
}

.guide-list article {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr) auto;
    gap: 20px;
    align-items: start;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
}

.guide-list .guide-number {
    color: var(--gold);
    font-weight: 800;
    font-size: 26px;
    line-height: 1;
}

.guide-list h3 {
    margin: 0 0 8px;
}

.guide-list p {
    color: var(--muted);
    margin: 0;
}

.guide-index {
    padding: 78px 0 92px;
}

.compact-callout {
    padding: 26px 30px;
    background: var(--paper-2);
    border-radius: 18px;
}

.compact-callout h3 {
    margin-top: 0;
}

.topic-catalog {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding-bottom: 90px;
}

.topic-card-wide {
    overflow: hidden;
    border-radius: 22px;
    background: var(--white);
    box-shadow: var(--shadow-soft);
}

.topic-card-image {
    display: block;
}

.topic-card-wide img {
    width: 100%;
    aspect-ratio: 16 / 7;
    object-fit: cover;
    transition: transform .35s ease;
}

.topic-card-wide > div {
    padding: 26px;
}

.topic-card-wide h2 {
    font-size: 28px;
    margin-bottom: 10px;
}

.topic-card-wide p {
    color: var(--muted);
}

.topic-count {
    color: var(--brand);
    font-size: 13px;
    font-weight: 700;
}

.topic-hero {
    padding: 40px 0 58px;
}

.topic-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.topic-hero img {
    width: 100%;
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.large-story-list {
    padding: 42px 0 86px;
}

.large-story-list article {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr) auto;
    gap: 26px;
    padding: 25px 0;
    border-top: 1px solid var(--line);
}

.large-story-list article:last-child {
    border-bottom: 1px solid var(--line);
}

.large-story-list .story-index {
    color: var(--gold);
    font-size: 26px;
    font-weight: 800;
    line-height: 1;
}

.large-story-list h2 {
    font-size: 27px;
    margin-bottom: 7px;
}

.large-story-list p {
    color: var(--muted);
    margin: 0;
}

.guide-topic-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-bottom: 86px;
}

.guide-topic-links a {
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--paper-2);
    color: var(--ink);
}

.article-shell {
    max-width: 900px;
    padding: 42px 0 84px;
}

.article-header {
    max-width: var(--reading);
    margin: 0 auto 38px;
}

.article-header h1 {
    font-size: clamp(36px, 5vw, 60px);
}

.article-header .lead {
    font-size: 20px;
}

.article-figure {
    margin: 0 auto 38px;
}

.article-figure img {
    width: 100%;
    max-height: 560px;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
}

.article-body {
    max-width: var(--reading);
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.92;
}

.article-body h2 {
    margin: 52px 0 18px;
    font-size: 31px;
}

.article-body h3 {
    margin: 32px 0 12px;
}

.article-body ul,
.article-body ol {
    padding-left: 1.35em;
}

.article-body li {
    margin: 8px 0;
}

.article-body a {
    color: var(--brand);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.inline-note,
.article-note {
    margin: 30px 0;
    padding: 22px 24px;
    border-left: 4px solid var(--gold);
    background: var(--paper-2);
    border-radius: 0 16px 16px 0;
}

.article-note strong {
    color: var(--ink);
}

.related-reading {
    max-width: 900px;
    padding-bottom: 90px;
}

.related-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.related-list a {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255,255,255,.38);
}

.related-list strong {
    display: block;
    color: var(--ink);
    margin-bottom: 4px;
}

.related-list span {
    color: var(--muted);
    font-size: 14px;
}

.article-next {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}

.guide-steps {
    counter-reset: guideStep;
    margin: 32px 0;
    padding: 0;
    list-style: none;
}

.guide-steps li {
    counter-increment: guideStep;
    position: relative;
    padding: 20px 0 20px 60px;
    border-top: 1px solid var(--line);
}

.guide-steps li:last-child {
    border-bottom: 1px solid var(--line);
}

.step-number,
.guide-steps li::before {
    position: absolute;
    left: 0;
    top: 20px;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--brand);
    color: var(--white);
    font-size: 13px;
    font-weight: 800;
}

.guide-steps li::before {
    content: counter(guideStep, decimal-leading-zero);
}

.faq-layout {
    display: grid;
    grid-template-columns: .7fr 1.3fr;
    gap: 62px;
    padding-bottom: 90px;
}

.faq-image {
    position: sticky;
    top: 112px;
    align-self: start;
}

.faq-image img {
    width: 100%;
    border-radius: 24px;
}

.faq-list {
    border-top: 1px solid var(--line);
}

.faq-list details {
    border-bottom: 1px solid var(--line);
}

.faq-list summary {
    cursor: pointer;
    list-style: none;
    position: relative;
    padding: 22px 40px 22px 0;
    color: var(--ink);
    font-size: 19px;
    font-weight: 760;
}

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

.faq-list summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 22px;
    color: var(--brand);
    font-size: 24px;
    line-height: 1;
}

.faq-list details[open] summary::after {
    content: "−";
}

.faq-list details > div {
    padding: 0 0 22px;
    color: var(--muted);
}

.prose-columns {
    columns: 2;
    column-gap: 58px;
    padding-bottom: 70px;
}

.prose-columns > * {
    break-inside: avoid;
}

.prose-columns h2 {
    font-size: 27px;
    margin: 0 0 12px;
}

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

.editorial-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-bottom: 92px;
}

.editorial-values article {
    padding: 26px;
    border-top: 3px solid var(--gold);
    background: var(--paper-2);
}

.editorial-values h3 {
    margin: 0 0 8px;
}

.editorial-values p {
    color: var(--muted);
    margin: 0;
}

.safety-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    padding-bottom: 90px;
}

.safety-list article {
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 18px;
}

.safety-list h2 {
    font-size: 25px;
}

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

.legal-prose {
    max-width: 860px;
    padding-bottom: 92px;
}

.legal-prose h2 {
    margin: 42px 0 14px;
    font-size: 28px;
}

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

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    padding-bottom: 90px;
}

.contact-layout > div {
    min-width: 0;
}

.contact-warning {
    margin-top: 24px;
    padding: 22px;
    background: var(--paper-2);
    border-radius: 16px;
    color: var(--muted);
}

.large-search {
    padding-top: 20px;
    padding-bottom: 38px;
}

.large-search form {
    display: flex;
    gap: 10px;
    max-width: 780px;
}

.large-search input {
    height: 56px;
}

.result-count {
    width: min(var(--max), calc(100% - 40px));
    margin: 0 auto;
    padding: 14px 0 18px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

.search-results {
    padding-bottom: 90px;
}

.search-results article {
    padding: 26px 0;
    border-bottom: 1px solid var(--line);
}

.search-results h2 {
    margin: 7px 0 8px;
    font-size: 27px;
}

.search-results p {
    color: var(--muted);
    max-width: 850px;
    margin: 0 0 10px;
}

.empty-state {
    padding: 44px 0;
    color: var(--muted);
}

.not-found {
    display: grid;
    grid-template-columns: .62fr 1.38fr;
    gap: 52px;
    align-items: center;
    padding-top: 90px;
    padding-bottom: 110px;
}

.not-found-code {
    color: var(--gold);
    font-size: clamp(90px, 15vw, 190px);
    font-weight: 900;
    line-height: .8;
    letter-spacing: -.08em;
}

.not-found h1 {
    font-size: clamp(38px, 5vw, 64px);
}

.not-found-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.not-found-links a {
    padding: 9px 14px;
    border-radius: 999px;
    background: var(--paper-2);
}

.site-footer {
    padding: 70px 0 26px;
    background: #211c1a;
    color: rgba(255,255,255,.65);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.35fr repeat(3, .75fr);
    gap: 48px;
}

.footer-grid h2,
.footer-grid h3 {
    color: var(--white);
}

.footer-grid h2 {
    font-size: 26px;
}

.footer-grid h3 {
    margin: 0 0 13px;
    font-size: 15px;
    letter-spacing: .04em;
}

.footer-grid p {
    max-width: 34em;
}

.footer-grid ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-grid li {
    margin: 7px 0;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 52px !important;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.1);
    font-size: 12px;
}

.search-modal[hidden] {
    display: none !important;
}

.search-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: start center;
    padding: 9vh 20px 20px;
    background: rgba(36,31,29,.66);
    backdrop-filter: blur(10px);
}

.search-panel {
    width: min(700px, 100%);
    padding: 25px;
    border-radius: 22px;
    background: var(--paper);
    box-shadow: 0 30px 90px rgba(0,0,0,.26);
}

.search-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 18px;
}

.search-panel-head strong {
    color: var(--ink);
    font-size: 22px;
}

.search-panel-head button {
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    padding: 8px;
}

.search-panel form {
    display: flex;
    gap: 10px;
}

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

.back-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 90;
    width: 46px;
    height: 46px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: rgba(248,245,241,.92);
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity .2s ease, transform .2s ease;
}

.back-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

@media (max-width: 1100px) {
    .header-shell {
        gap: 14px;
    }

    .primary-nav {
        gap: 0;
    }

    .primary-nav a {
        padding: 9px 8px;
        font-size: 13px;
    }

    .cover-shell {
        grid-template-columns: 1fr 1fr;
    }

    .horizontal-rail {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 34px;
    }

    .feed-grid {
        grid-template-columns: minmax(0, 1fr) 300px;
        gap: 34px;
    }

    .footer-grid {
        grid-template-columns: 1.2fr repeat(3, .8fr);
        gap: 30px;
    }
}

@media (max-width: 900px) {
    .header-shell {
        min-height: 68px;
    }

    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .primary-nav {
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(100% + 8px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        background: var(--paper);
        border: 1px solid var(--line);
        border-radius: 18px;
        box-shadow: var(--shadow);
    }

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

    .primary-nav a {
        padding: 12px 14px;
        font-size: 14px;
        border-radius: 10px;
    }

    .cover-shell,
    .page-hero-grid,
    .page-hero-grid.reverse-grid,
    .device-band,
    .focus-split,
    .deep-banner-grid,
    .asymmetric-grid,
    .editorial-split,
    .guide-feature,
    .topic-hero-grid,
    .faq-layout,
    .contact-layout,
    .not-found {
        grid-template-columns: 1fr;
    }

    .cover-visual,
    .cover-visual img {
        min-height: 420px;
    }

    .entry-strip {
        grid-template-columns: 1fr;
    }

    .entry-strip a {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .entry-strip a:last-child {
        border-bottom: 0;
    }

    .editorial-mosaic {
        grid-template-columns: 1fr 1fr;
    }

    .mosaic-main {
        grid-column: 1 / 3;
        grid-row: auto;
    }

    .mosaic-main img {
        aspect-ratio: 16 / 9;
        min-height: 0;
    }

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

    .feed-side,
    .faq-image {
        position: static;
    }

    .topic-index {
        grid-template-columns: repeat(2, 1fr);
    }

    .brand-bar,
    .editorial-values {
        grid-template-columns: 1fr;
    }

    .topic-catalog,
    .safety-list {
        grid-template-columns: 1fr;
    }

    .prose-columns {
        columns: 1;
    }

    .footer-grid {
        grid-template-columns: 1.2fr 1fr 1fr;
    }

    .footer-grid > div:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 680px) {
    body {
        font-size: 15px;
    }

    .header-shell,
    .section-narrow,
    .cover-shell,
    .entry-strip,
    .headline-flow,
    .editorial-mosaic,
    .horizontal-rail,
    .device-band,
    .compact-links,
    .mixed-feed,
    .topic-index,
    .text-index,
    .page-hero,
    .filter-strip,
    .focus-split,
    .deep-banner,
    .brand-bar,
    .asymmetric-grid,
    .editorial-split,
    .notice-band,
    .guide-feature,
    .guide-index,
    .topic-catalog,
    .topic-hero,
    .large-story-list,
    .guide-topic-links,
    .article-shell,
    .related-reading,
    .faq-layout,
    .prose-columns,
    .editorial-values,
    .safety-list,
    .legal-prose,
    .contact-layout,
    .large-search,
    .search-results,
    .not-found,
    .site-footer > .footer-grid,
    .site-footer > .footer-bottom,
    .breadcrumbs,
    .result-count {
        width: min(100% - 28px, var(--max));
    }

    .brand img {
        width: 36px;
        height: 36px;
        margin-right: 8px;
    }

    .brand span {
        font-size: 14px;
    }

    .search-open {
        width: 42px;
        padding: 0;
        font-size: 0;
    }

    .search-open::before {
        content: "搜";
        font-size: 13px;
    }

    .section-pad {
        padding: 58px 0;
    }

    .section-heading,
    .split-heading {
        align-items: start;
        flex-direction: column;
        gap: 12px;
        margin-bottom: 26px;
    }

    .cover-shell {
        padding-top: 20px;
    }

    .cover-intro {
        padding: 28px 22px;
        border-radius: 22px;
    }

    h1 {
        font-size: clamp(36px, 12vw, 52px);
    }

    h2 {
        font-size: clamp(27px, 9vw, 37px);
    }

    .inline-search,
    .large-search form,
    .search-panel form {
        flex-direction: column;
    }

    .inline-search input,
    .inline-search button,
    .large-search input,
    .large-search button,
    .search-panel input,
    .search-panel form button {
        width: 100%;
        min-height: 48px;
    }

    .cover-visual,
    .cover-visual img {
        min-height: 300px;
        border-radius: 22px;
    }

    .headline-flow {
        padding-top: 58px;
    }

    .headline-flow article,
    .guide-list article,
    .large-story-list article {
        grid-template-columns: 58px minmax(0, 1fr);
        gap: 14px;
    }

    .headline-flow article > :last-child,
    .guide-list article > :last-child,
    .large-story-list article > :last-child {
        grid-column: 2;
    }

    .headline-flow .flow-index,
    .guide-list .guide-number,
    .large-story-list .story-index {
        font-size: 20px;
    }

    .editorial-mosaic {
        grid-template-columns: 1fr;
        padding-top: 44px;
        padding-bottom: 58px;
    }

    .mosaic-main {
        grid-column: auto;
    }

    .horizontal-rail {
        grid-template-columns: 1fr 1fr;
        gap: 26px 12px;
    }

    .rail-item h3 {
        font-size: 18px;
    }

    .device-band,
    .mixed-feed,
    .dark-topic,
    .text-index,
    .page-hero,
    .focus-split,
    .asymmetric-grid,
    .editorial-split,
    .guide-index,
    .topic-hero {
        padding-top: 58px;
        padding-bottom: 58px;
    }

    .compact-links-grid,
    .two-column-list,
    .dense-link-list {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .story-row {
        grid-template-columns: 118px minmax(0, 1fr);
        gap: 14px;
    }

    .story-row h3 {
        font-size: 19px;
    }

    .topic-index {
        grid-template-columns: 1fr;
    }

    .topic-index a {
        min-height: 130px;
    }

    .brand-bar {
        padding-bottom: 40px;
    }

    .deep-banner-grid {
        padding: 28px 22px;
        border-radius: 22px;
    }

    .guide-feature {
        padding-bottom: 46px;
    }

    .topic-card-wide > div {
        padding: 20px;
    }

    .article-shell {
        padding-top: 28px;
        padding-bottom: 58px;
    }

    .article-header h1 {
        font-size: clamp(34px, 11vw, 48px);
    }

    .article-body {
        font-size: 16px;
        line-height: 1.88;
    }

    .article-body h2 {
        margin-top: 42px;
        font-size: 28px;
    }

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

    .faq-layout {
        gap: 32px;
    }

    .faq-image img {
        max-height: 320px;
        object-fit: cover;
    }

    .not-found {
        gap: 24px;
        padding-top: 62px;
        padding-bottom: 72px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px 22px;
    }

    .footer-grid > div:first-child {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        flex-direction: column;
        margin-top: 38px !important;
    }

    .search-modal {
        padding-top: 6vh;
    }

    .search-panel {
        padding: 20px;
    }

    .back-top {
        right: 14px;
        bottom: 14px;
    }
}

@media (max-width: 420px) {
    .header-shell {
        gap: 8px;
    }

    .brand span {
        max-width: 90px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .menu-toggle,
    .search-open {
        min-height: 38px;
        width: 38px;
        padding: 0;
    }

    .horizontal-rail {
        grid-template-columns: 1fr;
    }

    .story-row {
        grid-template-columns: 96px minmax(0, 1fr);
    }

    .story-row p {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

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

    .footer-grid > div:first-child {
        grid-column: auto;
    }

    .deep-banner-grid {
        padding: 24px 18px;
    }
}

/* Form and step structures shared by homepage search and guide detail pages. */
.inline-search > div,
.search-row {
    display: flex;
    flex: 1;
    gap: 10px;
    min-width: 0;
}
.inline-search > label,
.search-panel form > label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}
.guide-steps > section {
    position: relative;
    padding: 22px 0 22px 60px;
    border-top: 1px solid var(--line);
}
.guide-steps > section:last-of-type {
    border-bottom: 1px solid var(--line);
}
.guide-steps > section .step-number {
    top: 24px;
}
@media (max-width: 680px) {
    .inline-search > div,
    .search-row {
        flex-direction: column;
    }
}