:root {
    --ink: #152033;
    --ink-soft: #4f5d73;
    --paper: #fffdf8;
    --canvas: #f5f2eb;
    --navy: #101d33;
    --navy-light: #1d3152;
    --coral: #ef5d50;
    --coral-dark: #cf4037;
    --amber: #f3b33d;
    --mint: #47b39c;
    --white: #ffffff;
    --line: #e6e0d5;
    --shadow: 0 18px 45px rgba(21, 32, 51, 0.09);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--canvas);
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    content: "";
    pointer-events: none;
    background-image: radial-gradient(circle at 8% 8%, rgba(239, 93, 80, 0.08), transparent 24%), radial-gradient(circle at 92% 20%, rgba(71, 179, 156, 0.08), transparent 22%);
}

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

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.site-shell {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    color: var(--white);
    background: rgba(16, 29, 51, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    backdrop-filter: blur(16px);
}

.header-inner {
    display: flex;
    min-height: 78px;
    align-items: center;
    gap: 28px;
}

.brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 11px;
    font-weight: 900;
    letter-spacing: 0.04em;
}

.brand-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    color: var(--white);
    background: linear-gradient(135deg, var(--coral), var(--amber));
    border: 2px solid rgba(255, 255, 255, 0.75);
    border-radius: 50% 50% 46% 54%;
    box-shadow: 0 8px 20px rgba(239, 93, 80, 0.32);
    transform: rotate(-5deg);
}

.brand-mark span {
    transform: rotate(5deg);
}

.brand-text small {
    display: block;
    color: rgba(255, 255, 255, 0.55);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
}

.main-nav {
    display: flex;
    flex: 1 1 auto;
    justify-content: flex-end;
    gap: 5px;
}

.nav-link {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    gap: 6px;
    padding: 8px 11px;
    color: rgba(255, 255, 255, 0.74);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    transition: 0.24s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(239, 93, 80, 0.18);
}

.nav-link.active {
    box-shadow: inset 0 -2px 0 var(--coral);
}

.nav-icon {
    font-size: 16px;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    font-size: 20px;
}

.page-main {
    padding: 32px 0 80px;
}

.hero {
    position: relative;
    min-height: 540px;
    overflow: hidden;
    color: var(--white);
    background: linear-gradient(125deg, var(--navy) 0%, var(--navy-light) 58%, #26466f 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.hero::before,
.hero::after {
    position: absolute;
    content: "";
    border-radius: 50%;
}

.hero::before {
    top: -130px;
    right: -60px;
    width: 420px;
    height: 420px;
    background: rgba(239, 93, 80, 0.17);
}

.hero::after {
    right: 260px;
    bottom: -180px;
    width: 360px;
    height: 360px;
    background: rgba(243, 179, 61, 0.12);
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    min-height: 540px;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 48px;
    padding: 64px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: var(--amber);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 650px;
    margin: 0;
    font-size: clamp(42px, 6vw, 74px);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.hero h1 a {
    display: inline-block;
}

.hero-copy {
    max-width: 650px;
    margin: 24px 0 30px;
    color: rgba(255, 255, 255, 0.74);
    font-size: 18px;
}

.hero-actions,
.card-actions,
.article-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 19px;
    color: var(--white);
    background: var(--coral);
    border: 1px solid var(--coral);
    border-radius: 13px;
    font-weight: 800;
    transition: 0.24s ease;
}

.button:hover {
    background: var(--coral-dark);
    transform: translateY(-2px);
}

.button-secondary {
    color: var(--white);
    background: transparent;
    border-color: rgba(255, 255, 255, 0.28);
}

.button-light {
    color: var(--ink);
    background: var(--white);
    border-color: var(--white);
}

.button-outline {
    color: var(--ink);
    background: transparent;
    border-color: var(--line);
}

.hero-board {
    position: relative;
    padding: 28px;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 26px;
    backdrop-filter: blur(12px);
}

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

.live-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    margin-right: 6px;
    background: var(--coral);
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(239, 93, 80, 0.15);
}

.board-item {
    display: grid;
    grid-template-columns: 46px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 15px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.board-number {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    color: var(--navy);
    background: var(--amber);
    border-radius: 11px;
    font-weight: 900;
}

.board-item strong {
    display: block;
    line-height: 1.4;
}

.board-item small,
.muted {
    color: rgba(255, 255, 255, 0.58);
}

.trend-strip {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 22px;
    margin-top: 28px;
    padding: 18px 24px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 18px;
}

.trend-label {
    color: var(--coral-dark);
    font-weight: 900;
}

.trend-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    color: var(--ink-soft);
    font-size: 14px;
}

.section-block {
    margin-top: 88px;
    scroll-margin-top: 110px;
}

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

.section-kicker {
    margin: 0 0 8px;
    color: var(--coral-dark);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.13em;
}

.section-heading h2,
.content-panel h2 {
    margin: 0;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.2;
}

.section-heading p {
    max-width: 520px;
    margin: 0;
    color: var(--ink-soft);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.category-card {
    position: relative;
    min-height: 230px;
    overflow: hidden;
    padding: 28px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    transition: 0.25s ease;
}

.category-card:hover {
    border-color: rgba(239, 93, 80, 0.38);
    box-shadow: var(--shadow);
    transform: translateY(-5px);
}

.category-card::after {
    position: absolute;
    right: -32px;
    bottom: -38px;
    width: 120px;
    height: 120px;
    content: "";
    background: var(--accent, rgba(239, 93, 80, 0.13));
    border-radius: 50%;
}

.category-icon {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    margin-bottom: 25px;
    background: #f1ece2;
    border-radius: 16px;
    font-size: 24px;
}

.category-card h3 {
    margin: 0 0 8px;
    font-size: 21px;
}

.category-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 14px;
}

.category-card.featured {
    color: var(--white);
    background: var(--coral);
    border-color: var(--coral);
}

.category-card.featured p {
    color: rgba(255, 255, 255, 0.76);
}

.story-feature {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 24px;
}

.lead-story {
    position: relative;
    min-height: 510px;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.lead-story img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lead-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    color: var(--white);
    background: linear-gradient(180deg, transparent 20%, rgba(7, 13, 24, 0.92) 100%);
}

.lead-overlay h3 {
    max-width: 680px;
    margin: 10px 0;
    font-size: clamp(27px, 4vw, 42px);
    line-height: 1.25;
}

.story-stack {
    display: grid;
    gap: 18px;
}

.compact-story {
    display: grid;
    grid-template-columns: 126px 1fr;
    gap: 18px;
    padding: 16px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 18px;
}

.compact-story img {
    width: 126px;
    height: 120px;
    object-fit: cover;
    border-radius: 13px;
}

.compact-story h3 {
    margin: 7px 0;
    font-size: 17px;
    line-height: 1.45;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    color: var(--coral-dark);
    background: #fff0ed;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
}

.timeline-panel {
    padding: 46px;
    color: var(--white);
    background: var(--navy);
    border-radius: var(--radius-xl);
}

.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 30px;
}

.timeline-item {
    position: relative;
    padding: 32px 24px 10px 0;
    border-top: 2px solid rgba(255, 255, 255, 0.14);
}

.timeline-item::before {
    position: absolute;
    top: -7px;
    left: 0;
    width: 12px;
    height: 12px;
    content: "";
    background: var(--amber);
    border-radius: 50%;
}

.timeline-item time {
    color: var(--amber);
    font-weight: 900;
}

.timeline-item h3 {
    margin: 10px 0 6px;
    font-size: 18px;
}

.timeline-item p {
    margin: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.radar-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 26px;
}

.radar-visual {
    display: grid;
    min-height: 420px;
    place-items: center;
    background: linear-gradient(145deg, #dff4ee, #fff7df);
    border-radius: var(--radius-xl);
}

.radar-rings {
    position: relative;
    display: grid;
    width: 290px;
    height: 290px;
    place-items: center;
    border: 1px solid rgba(21, 32, 51, 0.14);
    border-radius: 50%;
    box-shadow: 0 0 0 48px rgba(255, 255, 255, 0.33), 0 0 0 96px rgba(255, 255, 255, 0.26);
}

.radar-rings::before {
    width: 155px;
    height: 155px;
    content: "";
    background: conic-gradient(from 20deg, rgba(239, 93, 80, 0.7), transparent 34%, rgba(71, 179, 156, 0.7), transparent 68%, rgba(243, 179, 61, 0.7));
    border-radius: 50%;
    filter: blur(1px);
}

.radar-center {
    position: absolute;
    display: grid;
    width: 92px;
    height: 92px;
    place-items: center;
    color: var(--white);
    background: var(--navy);
    border: 5px solid var(--white);
    border-radius: 50%;
    font-weight: 900;
}

.radar-list {
    display: grid;
    gap: 12px;
}

.radar-row {
    display: grid;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 16px;
}

.rank {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    color: var(--white);
    background: var(--navy-light);
    border-radius: 12px;
    font-weight: 900;
}

.meter {
    width: 90px;
    height: 8px;
    overflow: hidden;
    background: #ece6da;
    border-radius: 999px;
}

.meter span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--coral), var(--amber));
    border-radius: inherit;
}

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

.standard-card {
    padding: 30px;
    background: var(--paper);
    border-top: 5px solid var(--accent);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow);
}

.standard-card strong {
    display: block;
    margin-bottom: 10px;
    font-size: 48px;
    line-height: 1;
}

.standard-card h3 {
    margin: 0 0 8px;
}

.standard-card p {
    margin: 0;
    color: var(--ink-soft);
}

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

.column-card {
    overflow: hidden;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

.column-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.column-body {
    padding: 24px;
}

.column-body h3 {
    margin: 8px 0;
    font-size: 20px;
}

.column-body p {
    margin: 0;
    color: var(--ink-soft);
}

.heat-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
}

.heat-intro {
    padding: 48px;
    color: var(--white);
    background: var(--coral);
}

.heat-intro h2 {
    margin: 10px 0 18px;
    font-size: 42px;
    line-height: 1.2;
}

.heat-list {
    padding: 24px 38px;
}

.heat-item {
    display: grid;
    grid-template-columns: 34px 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 17px 0;
    border-bottom: 1px solid var(--line);
}

.heat-item:last-child {
    border-bottom: 0;
}

.heat-item b {
    color: var(--coral-dark);
    font-size: 19px;
}

.mobile-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 50px;
    padding: 54px;
    background: #e5f2ef;
    border-radius: var(--radius-xl);
}

.phone-mockup {
    position: relative;
    width: min(310px, 80%);
    margin: 0 auto;
    padding: 18px;
    background: var(--navy);
    border: 8px solid #27364d;
    border-radius: 42px;
    box-shadow: 0 28px 70px rgba(16, 29, 51, 0.25);
    transform: rotate(-4deg);
}

.phone-screen {
    overflow: hidden;
    background: var(--paper);
    border-radius: 26px;
}

.phone-screen img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.phone-content {
    padding: 20px;
}

.phone-line {
    height: 9px;
    margin: 10px 0;
    background: #e8e1d6;
    border-radius: 999px;
}

.phone-line.short {
    width: 62%;
}

.check-list {
    display: grid;
    gap: 13px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    display: flex;
    gap: 10px;
}

.check-list li::before {
    color: var(--mint);
    content: "✓";
    font-weight: 900;
}

.about-panel {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    overflow: hidden;
    background: var(--paper);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
}

.about-visual {
    position: relative;
    min-height: 460px;
    background: var(--navy);
}

.about-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.62;
}

.about-seal {
    position: absolute;
    right: 28px;
    bottom: 28px;
    display: grid;
    width: 130px;
    height: 130px;
    place-items: center;
    color: var(--white);
    background: var(--coral);
    border: 6px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    font-size: 28px;
    font-weight: 900;
    text-align: center;
    transform: rotate(-8deg);
}

.about-copy {
    padding: 52px;
}

.about-copy h2 {
    margin: 8px 0 18px;
    font-size: 40px;
}

.about-copy p {
    color: var(--ink-soft);
}

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

.faq-item {
    overflow: hidden;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 16px;
}

.faq-question {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    color: var(--ink);
    background: transparent;
    border: 0;
    font: inherit;
    font-weight: 900;
    text-align: left;
    cursor: pointer;
}

.faq-answer {
    display: none;
    padding: 0 24px 22px;
    color: var(--ink-soft);
}

.faq-item.open .faq-answer {
    display: block;
}

.subscribe-panel {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 50px;
    padding: 48px 58px;
    color: var(--white);
    background: linear-gradient(120deg, var(--navy), #253e66);
    border-radius: var(--radius-xl);
}

.subscribe-panel h2 {
    margin: 8px 0 14px;
    font-size: 38px;
}

.subscribe-panel p {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.68);
}

.qr-card {
    display: grid;
    width: 164px;
    height: 164px;
    padding: 14px;
    place-items: center;
    color: var(--navy);
    background: var(--white);
    border-radius: 22px;
    text-align: center;
}

.qr-pattern {
    display: grid;
    width: 92px;
    height: 92px;
    place-items: center;
    color: var(--white);
    background: repeating-conic-gradient(var(--navy) 0 25%, var(--white) 0 50%) 50% / 18px 18px;
    border: 7px solid var(--navy);
    font-size: 26px;
    font-weight: 900;
    text-shadow: 0 0 8px var(--navy);
}

.site-footer {
    padding: 54px 0 32px;
    color: rgba(255, 255, 255, 0.65);
    background: #0b1526;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr;
    gap: 60px;
}

.footer-title {
    margin: 0 0 16px;
    color: var(--white);
}

.footer-links {
    display: grid;
    gap: 8px;
}

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

.copyright {
    margin-top: 34px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    color: var(--ink-soft);
    font-size: 14px;
}

.breadcrumb a:hover {
    color: var(--coral-dark);
}

.page-banner {
    position: relative;
    overflow: hidden;
    padding: 58px;
    color: var(--white);
    background: linear-gradient(125deg, var(--navy), var(--navy-light));
    border-radius: var(--radius-xl);
}

.page-banner::after {
    position: absolute;
    top: -70px;
    right: -20px;
    width: 260px;
    height: 260px;
    content: "";
    background: var(--coral);
    border-radius: 48% 52% 62% 38%;
    opacity: 0.2;
}

.page-banner h1 {
    position: relative;
    z-index: 2;
    margin: 8px 0 12px;
    font-size: clamp(36px, 5vw, 58px);
}

.page-banner p {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

.listing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.listing-card {
    display: grid;
    grid-template-columns: 210px 1fr;
    overflow: hidden;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    transition: 0.25s ease;
}

.listing-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.listing-card img {
    width: 100%;
    height: 100%;
    min-height: 250px;
    object-fit: cover;
}

.listing-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 26px;
}

.listing-body h2 {
    margin: 10px 0;
    font-size: 22px;
    line-height: 1.4;
}

.listing-body p {
    margin: 0 0 14px;
    color: var(--ink-soft);
    font-size: 14px;
}

.listing-meta,
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    color: var(--ink-soft);
    font-size: 13px;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    align-items: start;
    gap: 34px;
}

.article-main {
    padding: 44px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
}

.article-header h1 {
    margin: 12px 0 18px;
    font-size: clamp(32px, 5vw, 50px);
    line-height: 1.28;
}

.reading-note {
    margin: 28px 0;
    padding: 20px 22px;
    color: #695122;
    background: #fff7dd;
    border-left: 4px solid var(--amber);
    border-radius: 0 14px 14px 0;
}

.article-content h2 {
    margin: 42px 0 14px;
    font-size: 28px;
}

.article-content h3 {
    margin: 28px 0 8px;
    font-size: 21px;
}

.article-content p {
    margin: 0 0 20px;
    color: #344057;
    font-size: 17px;
}

.article-photo {
    margin: 32px 0;
}

.article-photo img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 18px;
}

.article-photo figcaption {
    margin-top: 9px;
    color: var(--ink-soft);
    font-size: 13px;
    text-align: center;
}

.end-note {
    margin: 44px 0 28px;
    padding: 28px;
    color: var(--white);
    background: var(--navy);
    border-radius: 18px;
    text-align: center;
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 30px;
}

.article-nav a {
    padding: 18px;
    background: #f5f1e9;
    border-radius: 14px;
}

.article-nav a:last-child {
    text-align: right;
}

.article-sidebar {
    position: sticky;
    top: 108px;
    display: grid;
    gap: 20px;
}

.sidebar-card {
    padding: 26px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

.sidebar-card h2 {
    margin: 0 0 15px;
    font-size: 20px;
}

.sidebar-links {
    display: grid;
    gap: 10px;
}

.sidebar-links a {
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
}

.sidebar-links a:hover {
    color: var(--coral-dark);
}

.notice-banner {
    margin-top: 30px;
    padding: 22px 26px;
    color: var(--ink-soft);
    background: #e4f3ef;
    border-radius: 16px;
}

@media (max-width: 1080px) {
    .menu-toggle {
        display: block;
        margin-left: auto;
    }

    .main-nav {
        position: absolute;
        top: 78px;
        right: 20px;
        left: 20px;
        display: none;
        grid-template-columns: repeat(4, 1fr);
        padding: 14px;
        background: var(--navy);
        border: 1px solid rgba(255, 255, 255, 0.13);
        border-radius: 16px;
        box-shadow: var(--shadow);
    }

    .main-nav.open {
        display: grid;
    }

    .nav-link {
        justify-content: center;
    }

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

    .story-feature,
    .radar-layout,
    .about-panel,
    .article-layout {
        grid-template-columns: 1fr;
    }

    .story-stack {
        grid-template-columns: repeat(3, 1fr);
    }

    .compact-story {
        grid-template-columns: 1fr;
    }

    .compact-story img {
        width: 100%;
        height: 160px;
    }

    .listing-card {
        grid-template-columns: 160px 1fr;
    }

    .article-sidebar {
        position: static;
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 760px) {
    .site-shell {
        width: min(100% - 24px, 1200px);
    }

    .header-inner {
        min-height: 68px;
    }

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

    .brand-mark {
        width: 39px;
        height: 39px;
    }

    .main-nav {
        top: 68px;
        right: 12px;
        left: 12px;
        grid-template-columns: repeat(2, 1fr);
        max-height: calc(100vh - 82px);
        overflow-y: auto;
    }

    .nav-link {
        justify-content: flex-start;
    }

    .page-main {
        padding-top: 20px;
    }

    .hero,
    .hero-grid {
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 42px 24px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-copy {
        font-size: 16px;
    }

    .trend-strip {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .section-block {
        margin-top: 64px;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .category-grid,
    .story-stack,
    .standards-grid,
    .column-grid,
    .listing-grid,
    .article-sidebar {
        grid-template-columns: 1fr;
    }

    .category-card {
        min-height: 210px;
    }

    .lead-story {
        min-height: 430px;
    }

    .lead-overlay {
        padding: 26px;
    }

    .timeline-panel {
        padding: 34px 24px;
    }

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

    .timeline-item {
        padding-left: 24px;
        border-top: 0;
        border-left: 2px solid rgba(255, 255, 255, 0.14);
    }

    .timeline-item::before {
        top: 39px;
        left: -7px;
    }

    .radar-visual {
        min-height: 370px;
        overflow: hidden;
    }

    .heat-layout,
    .mobile-showcase,
    .subscribe-panel {
        grid-template-columns: 1fr;
    }

    .heat-intro,
    .heat-list,
    .mobile-showcase,
    .subscribe-panel,
    .about-copy,
    .page-banner,
    .article-main {
        padding: 30px 22px;
    }

    .qr-card {
        width: 100%;
    }

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

    .listing-card {
        grid-template-columns: 1fr;
    }

    .listing-card img {
        min-height: 220px;
        aspect-ratio: 16 / 10;
    }

    .article-nav {
        grid-template-columns: 1fr;
    }

    .article-nav a:last-child {
        text-align: left;
    }
}

@media (max-width: 420px) {
    .brand-text small {
        display: none;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-board {
        padding: 20px;
    }

    .board-item {
        grid-template-columns: 38px 1fr;
    }

    .board-item > small {
        display: none;
    }

    .radar-rings {
        width: 230px;
        height: 230px;
    }
}
