:root {
    --ink: #171727;
    --muted: #6f7180;
    --paper: #f7f8fc;
    --surface: #ffffff;
    --line: #e8e9f0;
    --brand: #f14f63;
    --brand-dark: #d9344a;
    --navy: #20213b;
    --lime: #c9f36b;
    --radius-lg: 28px;
    --radius-md: 18px;
    --shadow: 0 18px 45px rgba(31, 34, 61, 0.10);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

button {
    font: inherit;
}

.container {
    width: min(1200px, calc(100% - 40px));
    margin-right: auto;
    margin-left: auto;
}

.site-header {
    position: sticky;
    z-index: 50;
    top: 0;
    border-bottom: 1px solid rgba(232, 233, 240, 0.86);
    background: rgba(255, 255, 255, 0.93);
    backdrop-filter: blur(18px);
}

.header-inner {
    display: flex;
    min-height: 78px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

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

.brand-mark {
    display: grid;
    width: 45px;
    height: 45px;
    place-items: center;
    border-radius: 14px 14px 14px 4px;
    background: var(--brand);
    box-shadow: 5px 5px 0 var(--navy);
    color: #ffffff;
    font-size: 22px;
    font-weight: 900;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-copy strong {
    font-size: 19px;
    letter-spacing: 0.08em;
}

.brand-copy small {
    margin-top: 5px;
    color: var(--muted);
    font-size: 12px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.main-nav a {
    display: flex;
    min-width: 66px;
    padding: 10px 9px;
    flex-direction: column;
    align-items: center;
    border-radius: 12px;
    color: #656777;
    font-size: 13px;
    line-height: 1.25;
    transition: 180ms ease;
}

.main-nav a span:first-child {
    margin-bottom: 4px;
    font-size: 17px;
}

.main-nav a:hover,
.main-nav a.is-active {
    background: #fff0f2;
    color: var(--brand-dark);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 13px;
    background: var(--navy);
    color: #ffffff;
    cursor: pointer;
}

.hero {
    display: grid;
    min-height: 610px;
    margin-top: 54px;
    padding: 54px;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
    align-items: center;
    gap: 58px;
    overflow: hidden;
    border-radius: 34px;
    background: var(--navy);
    color: #ffffff;
}

.hero-kicker,
.eyebrow {
    display: inline-block;
    color: var(--brand);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.hero-kicker {
    color: var(--lime);
}

.hero h1 {
    margin: 18px 0;
    font-size: clamp(3.5rem, 7vw, 6.8rem);
    letter-spacing: -0.07em;
    line-height: 0.96;
}

.hero h1 a {
    color: #ffffff;
}

.hero-copy > p {
    max-width: 590px;
    margin: 0;
    color: #c8cad8;
    font-size: 18px;
}

.hero-actions {
    display: flex;
    margin-top: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    min-height: 48px;
    padding: 0 22px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 999px;
    font-weight: 800;
    cursor: pointer;
}

.button.primary {
    background: var(--brand);
    color: #ffffff;
}

.button.primary:hover {
    background: var(--brand-dark);
}

.button.ghost {
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

.button.dark {
    margin-top: 22px;
    background: var(--navy);
    color: #ffffff;
}

.hero-stats {
    display: flex;
    margin: 38px 0 0;
    padding: 0;
    gap: 32px;
    list-style: none;
}

.hero-stats li {
    display: flex;
    flex-direction: column;
}

.hero-stats strong {
    color: var(--lime);
    font-size: 22px;
}

.hero-stats span {
    color: #aeb0c1;
    font-size: 13px;
}

.hero-feature {
    position: relative;
    display: block;
    min-height: 500px;
    overflow: hidden;
    border: 8px solid #ffffff;
    border-radius: 160px 160px 24px 24px;
    box-shadow: 18px 18px 0 var(--brand);
}

.hero-feature img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.hero-feature-copy {
    position: absolute;
    right: 18px;
    bottom: 18px;
    left: 18px;
    display: flex;
    padding: 18px 20px;
    flex-direction: column;
    border-radius: 18px;
    background: rgba(23, 23, 39, 0.90);
}

.hero-feature-copy span {
    color: var(--lime);
    font-size: 12px;
}

.hero-feature-copy strong {
    font-size: 24px;
}

.hero-feature-copy small {
    color: #c6c8d7;
}

.continue-bar {
    display: grid;
    margin-top: 34px;
    padding: 22px 26px;
    grid-template-columns: auto minmax(220px, auto) minmax(140px, 1fr) auto;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
    box-shadow: 0 10px 30px rgba(31, 34, 61, 0.06);
}

.continue-icon,
.round-link {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 50%;
    background: #fff0f2;
    color: var(--brand);
    font-weight: 900;
}

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

.continue-bar h2 {
    margin: 1px 0 0;
    font-size: 17px;
}

.progress {
    height: 6px;
    overflow: hidden;
    border-radius: 999px;
    background: #ececf2;
}

.progress span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: var(--brand);
}

.content-section,
.rank-section,
.spotlight-section,
.schedule-section,
.completed-section,
.benefits-section,
.guide-section,
.about-section,
.app-section,
.seo-copy {
    margin-top: 100px;
}

.section-heading {
    display: flex;
    margin-bottom: 30px;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
}

.section-heading h2,
.spotlight-copy h2,
.benefits-copy h2,
.about-copy h2,
.app-copy h2,
.seo-copy h2 {
    margin: 6px 0 0;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.16;
}

.text-link {
    color: var(--brand-dark);
    font-weight: 800;
}

.text-link span {
    display: inline-block;
    margin-left: 5px;
    transition: transform 180ms ease;
}

.text-link:hover span {
    transform: translateX(5px);
}

.comic-grid {
    display: grid;
    gap: 24px;
}

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

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

.comic-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.comic-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.cover-link {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background: #ececf2;
}

.cover-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 300ms ease;
}

.comic-card:hover .cover-link img {
    transform: scale(1.035);
}

.badge {
    position: absolute;
    top: 13px;
    left: 13px;
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--brand);
    color: #ffffff;
    font-size: 12px;
    font-weight: 800;
}

.card-body {
    padding: 18px;
}

.card-body h3 {
    margin: 0;
    font-size: 19px;
}

.card-body p {
    display: -webkit-box;
    margin: 8px 0 15px;
    overflow: hidden;
    color: var(--muted);
    font-size: 14px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    color: #9294a1;
    font-size: 13px;
}

.rank-section {
    display: grid;
    padding: 52px;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 64px;
    border-radius: var(--radius-lg);
    background: #fff3d6;
}

.rank-intro h2 {
    margin: 8px 0 12px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.08;
}

.rank-intro p {
    color: #696252;
}

.rank-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.rank-list li {
    display: grid;
    padding: 14px 0;
    grid-template-columns: 52px 1fr auto;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid rgba(32, 33, 59, 0.12);
}

.rank-list li:last-child {
    border-bottom: 0;
}

.rank-number {
    color: var(--brand);
    font-family: Georgia, serif;
    font-size: 28px;
    font-weight: 800;
}

.rank-list div {
    display: flex;
    flex-direction: column;
}

.rank-list div span {
    color: var(--muted);
    font-size: 13px;
}

.rank-list em {
    color: var(--muted);
    font-size: 13px;
    font-style: normal;
}

.spotlight-section {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 64px;
}

.spotlight-image {
    position: relative;
}

.spotlight-image img {
    width: 100%;
    aspect-ratio: 1.18 / 1;
    object-fit: cover;
    border-radius: 28px 100px 28px 28px;
}

.spotlight-image > span {
    position: absolute;
    top: 22px;
    left: -12px;
    padding: 8px 16px;
    background: var(--lime);
    box-shadow: 7px 7px 0 var(--navy);
    font-weight: 900;
}

.spotlight-copy p,
.benefits-copy p,
.about-copy p,
.app-copy p,
.seo-copy p {
    color: var(--muted);
}

.mini-picks {
    margin: 26px 0;
}

.mini-picks a {
    display: grid;
    padding: 12px 0;
    grid-template-columns: 38px 1fr;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--line);
}

.mini-picks span {
    color: var(--brand);
    font-family: Georgia, serif;
    font-weight: 800;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.category-card {
    display: grid;
    min-height: 160px;
    padding: 24px;
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: 16px;
    border: 1px solid var(--line);
    border-top: 5px solid var(--accent);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.category-icon {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 14px;
    background: color-mix(in srgb, var(--accent) 18%, white);
    color: var(--accent);
    font-size: 22px;
}

.category-card > span:nth-child(2) {
    display: flex;
    flex-direction: column;
}

.category-card strong {
    font-size: 19px;
}

.category-card small {
    margin-top: 6px;
    color: var(--muted);
    line-height: 1.55;
}

.category-card em {
    grid-column: 2;
    color: var(--accent);
    font-size: 13px;
    font-style: normal;
    font-weight: 800;
}

.schedule-section {
    padding: 48px;
    border-radius: var(--radius-lg);
    background: var(--navy);
    color: #ffffff;
}

.schedule-section .eyebrow {
    color: var(--lime);
}

.day-tabs {
    display: grid;
    margin-bottom: 26px;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
}

.day-tabs button {
    padding: 11px 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 10px;
    background: transparent;
    color: #bcbecd;
    cursor: pointer;
}

.day-tabs button[aria-selected="true"] {
    border-color: var(--lime);
    background: var(--lime);
    color: var(--navy);
    font-weight: 900;
}

.schedule-list a {
    display: grid;
    padding: 18px 0;
    grid-template-columns: 80px 1fr 160px auto;
    align-items: center;
    gap: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.schedule-list time {
    color: var(--lime);
    font-weight: 800;
}

.schedule-list span {
    color: #aeb0c1;
}

.schedule-list em {
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(201, 243, 107, 0.12);
    color: var(--lime);
    font-size: 12px;
    font-style: normal;
}

.completed-mosaic {
    display: grid;
    grid-auto-rows: 220px;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.mosaic-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.mosaic-1,
.mosaic-6 {
    grid-column: span 2;
}

.mosaic-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mosaic-item > span {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    padding: 36px 18px 16px;
    align-items: end;
    justify-content: space-between;
    background: linear-gradient(transparent, rgba(15, 16, 30, 0.9));
    color: #ffffff;
}

.mosaic-item small {
    color: var(--lime);
}

.benefits-section {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    align-items: center;
    gap: 58px;
}

.benefit-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.benefit-cards article {
    min-height: 250px;
    padding: 25px;
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 10px 35px rgba(31, 34, 61, 0.07);
}

.benefit-cards article > span {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 14px;
    background: #fff0f2;
    color: var(--brand);
    font-size: 23px;
}

.benefit-cards h3 {
    margin: 34px 0 8px;
}

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

.guide-layout {
    display: grid;
    grid-template-columns: 1.35fr 0.65fr;
    gap: 28px;
}

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

.guide-steps li {
    display: grid;
    padding: 22px 0;
    grid-template-columns: 52px 1fr;
    gap: 18px;
    border-bottom: 1px solid var(--line);
}

.guide-steps li > span {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid var(--brand);
    border-radius: 50%;
    color: var(--brand);
    font-weight: 900;
}

.guide-steps strong {
    font-size: 18px;
}

.guide-steps p {
    margin: 3px 0 0;
    color: var(--muted);
}

.guide-note {
    padding: 34px;
    border-radius: 26px;
    background: #dfe6ff;
}

.guide-note > span {
    font-size: 38px;
}

.guide-note h3 {
    margin: 30px 0 8px;
    font-size: 24px;
}

.guide-note p {
    margin: 0;
    color: #575d74;
}

.about-section {
    display: grid;
    padding: 52px;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 70px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.about-label {
    display: flex;
    flex-direction: column;
}

.about-label span {
    color: var(--brand);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
}

.about-label strong {
    margin-top: auto;
    padding-top: 40px;
    font-family: Georgia, serif;
    font-size: 32px;
    line-height: 1.25;
}

.app-section {
    display: grid;
    margin-bottom: 100px;
    padding: 48px;
    grid-template-columns: 190px 1fr 150px;
    align-items: center;
    gap: 46px;
    overflow: hidden;
    border-radius: 30px;
    background: linear-gradient(135deg, #ffedef, #f2f0ff);
}

.app-art {
    position: relative;
    display: grid;
    width: 180px;
    height: 210px;
    place-items: center;
    border: 9px solid var(--navy);
    border-radius: 38px;
    background: var(--brand);
    box-shadow: 14px 14px 0 #ffffff;
}

.phone-mark {
    color: #ffffff;
    font-size: 68px;
    font-weight: 900;
}

.signal {
    position: absolute;
    border: 4px solid var(--lime);
    border-left-color: transparent;
    border-bottom-color: transparent;
    border-radius: 50%;
}

.signal-one {
    top: 18px;
    right: 18px;
    width: 30px;
    height: 30px;
}

.signal-two {
    top: 11px;
    right: 11px;
    width: 47px;
    height: 47px;
}

.qr-mark {
    position: relative;
    display: grid;
    width: 140px;
    height: 140px;
    padding: 10px;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    border: 8px solid #ffffff;
    border-radius: 12px;
    background: #ffffff;
}

.qr-mark i {
    background: var(--navy);
}

.qr-mark i:nth-child(3n) {
    background: var(--brand);
}

.qr-mark strong {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    transform: translate(-50%, -50%);
    border: 4px solid #ffffff;
    border-radius: 9px;
    background: var(--brand);
    color: #ffffff;
}

.subscribe-status {
    display: block;
    min-height: 24px;
    margin-top: 10px;
    color: var(--brand-dark);
    font-size: 14px;
}

.site-footer {
    padding: 44px 0;
    background: var(--navy);
    color: #ffffff;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 24px;
}

.footer-inner strong {
    font-size: 20px;
}

.footer-inner p {
    margin: 4px 0 0;
    color: #aeb0c1;
    font-size: 13px;
}

.footer-inner nav {
    display: flex;
    gap: 22px;
    color: #d5d6df;
}

.copyright {
    grid-column: 1 / -1;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.breadcrumbs {
    display: flex;
    margin-top: 34px;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 14px;
}

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

.channel-hero {
    display: grid;
    margin-top: 28px;
    padding: 50px;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--channel-color) 15%, white);
}

.channel-icon {
    display: inline-grid;
    width: 54px;
    height: 54px;
    margin-right: 12px;
    place-items: center;
    border-radius: 15px;
    background: var(--channel-color);
    color: #ffffff;
    font-size: 26px;
}

.channel-hero h1 {
    margin: 16px 0 8px;
    font-size: clamp(2.8rem, 6vw, 5rem);
    line-height: 1;
}

.channel-hero p {
    max-width: 700px;
    margin: 0;
    color: #666877;
}

.channel-hero aside {
    display: flex;
    min-width: 160px;
    padding: 24px;
    flex-direction: column;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    text-align: center;
}

.channel-hero aside strong {
    color: var(--channel-color);
    font-size: 44px;
    line-height: 1.2;
}

.channel-hero aside span,
.channel-hero aside small {
    color: var(--muted);
}

.channel-feature {
    display: grid;
    margin-top: 54px;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: stretch;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--navy);
    color: #ffffff;
}

.channel-feature img {
    width: 100%;
    height: 430px;
    object-fit: cover;
}

.channel-feature > div {
    display: flex;
    padding: 44px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.channel-feature > div > span {
    color: var(--lime);
    font-size: 13px;
    font-weight: 900;
}

.channel-feature h2 {
    margin: 10px 0;
    font-size: 38px;
}

.channel-feature p {
    color: #bfc1cf;
}

.seo-copy {
    margin-bottom: 100px;
    padding: 42px;
    border-left: 6px solid var(--brand);
    border-radius: 0 20px 20px 0;
    background: #ffffff;
}

.reader-page {
    max-width: 980px;
    margin-top: 28px;
    margin-bottom: 100px;
}

.reader-header {
    padding: 46px;
    border-radius: 26px;
    background: var(--navy);
    color: #ffffff;
    text-align: center;
}

.reader-tags {
    display: flex;
    justify-content: center;
    gap: 14px;
    color: var(--lime);
    font-size: 13px;
}

.reader-header h1 {
    margin: 18px 0 12px;
    font-size: clamp(2rem, 5vw, 3.7rem);
    line-height: 1.2;
}

.reader-header > p {
    max-width: 680px;
    margin: 0 auto;
    color: #c4c6d3;
}

.reader-tools {
    display: flex;
    margin-top: 24px;
    justify-content: center;
    gap: 10px;
}

.reader-tools a,
.reader-tools button {
    padding: 9px 15px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    background: transparent;
    color: #ffffff;
    cursor: pointer;
}

.reading-note {
    display: flex;
    margin: 28px 0 42px;
    padding: 20px 24px;
    align-items: flex-start;
    gap: 15px;
    border: 1px solid #f2d9aa;
    border-radius: 16px;
    background: #fff8e8;
}

.reading-note > span {
    display: grid;
    width: 28px;
    height: 28px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 50%;
    background: #f0ae43;
    color: #ffffff;
    font-family: Georgia, serif;
    font-weight: 900;
}

.reading-note p {
    margin: 2px 0 0;
    color: #77694f;
}

.chapter-content {
    max-width: 900px;
    margin: 0 auto;
}

.chapter-content h2 {
    margin: 0 0 28px;
    font-size: 28px;
    text-align: center;
}

.chapter-content figure {
    margin: 0 0 18px;
    overflow: hidden;
    border-radius: 12px;
    background: #e9eaf0;
}

.chapter-content figure img {
    width: 100%;
    aspect-ratio: 5 / 7;
    object-fit: cover;
}

.chapter-content figcaption {
    padding: 9px 14px;
    background: var(--navy);
    color: #c8cad7;
    font-size: 13px;
    text-align: center;
}

.scene-text {
    max-width: 680px;
    margin: 18px auto 42px;
    color: var(--muted);
    text-align: center;
}

.chapter-end {
    margin-top: 52px;
    padding: 36px;
    border-radius: 20px;
    background: #ffffff;
    text-align: center;
}

.chapter-end > span {
    color: var(--brand);
}

.chapter-end strong {
    display: block;
    margin-top: 8px;
    font-size: 22px;
}

.chapter-end p {
    margin: 5px 0 0;
    color: var(--muted);
}

.chapter-nav {
    display: grid;
    margin-top: 22px;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.chapter-nav a {
    display: flex;
    padding: 20px;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: #ffffff;
}

.chapter-nav a:last-child {
    align-items: flex-end;
    text-align: right;
}

.chapter-nav span {
    color: var(--brand);
    font-size: 13px;
}

@media (max-width: 1080px) {
    .header-inner {
        flex-wrap: wrap;
        padding: 14px 0;
    }

    .main-nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
    }

    .main-nav a {
        flex: 0 0 84px;
    }

    .hero {
        padding: 42px;
        grid-template-columns: 1fr 0.8fr;
    }

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

    .benefits-section {
        grid-template-columns: 1fr;
    }

    .app-section {
        grid-template-columns: 160px 1fr;
    }

    .qr-mark {
        display: none;
    }
}

@media (max-width: 760px) {
    .container {
        width: min(100% - 28px, 1200px);
    }

    .site-header {
        position: relative;
    }

    .header-inner {
        min-height: 72px;
        flex-wrap: nowrap;
    }

    .brand-copy small {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: 72px;
        right: 14px;
        left: 14px;
        display: none;
        width: auto;
        padding: 12px;
        grid-template-columns: repeat(2, 1fr);
        overflow: visible;
        border: 1px solid var(--line);
        border-radius: 16px;
        background: #ffffff;
        box-shadow: var(--shadow);
    }

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

    .main-nav a {
        min-width: 0;
        flex-direction: row;
        justify-content: flex-start;
        gap: 9px;
        font-size: 14px;
    }

    .main-nav a span:first-child {
        margin: 0;
    }

    .hero {
        min-height: auto;
        margin-top: 28px;
        padding: 30px 24px 38px;
        grid-template-columns: 1fr;
        gap: 38px;
        border-radius: 24px;
    }

    .hero h1 {
        font-size: 3.7rem;
    }

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

    .hero-stats {
        gap: 20px;
    }

    .hero-feature {
        min-height: 380px;
        border-width: 6px;
        border-radius: 100px 100px 20px 20px;
        box-shadow: 10px 10px 0 var(--brand);
    }

    .hero-feature img {
        height: 380px;
    }

    .continue-bar {
        grid-template-columns: auto 1fr auto;
    }

    .continue-bar .progress {
        display: none;
    }

    .content-section,
    .rank-section,
    .spotlight-section,
    .schedule-section,
    .completed-section,
    .benefits-section,
    .guide-section,
    .about-section,
    .app-section,
    .seo-copy {
        margin-top: 68px;
    }

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

    .four-columns,
    .three-columns {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .card-body {
        padding: 13px;
    }

    .card-body h3 {
        font-size: 16px;
    }

    .card-body p {
        display: none;
    }

    .card-meta {
        margin-top: 8px;
    }

    .rank-section,
    .spotlight-section,
    .benefits-section,
    .guide-layout,
    .about-section,
    .channel-feature {
        grid-template-columns: 1fr;
    }

    .rank-section,
    .schedule-section,
    .about-section {
        padding: 30px 22px;
    }

    .spotlight-section {
        gap: 32px;
    }

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

    .day-tabs {
        grid-template-columns: repeat(4, 1fr);
    }

    .schedule-list a {
        grid-template-columns: 64px 1fr;
        gap: 8px;
    }

    .schedule-list span,
    .schedule-list em {
        grid-column: 2;
    }

    .completed-mosaic {
        grid-auto-rows: 190px;
        grid-template-columns: repeat(2, 1fr);
    }

    .mosaic-1,
    .mosaic-6 {
        grid-column: span 2;
    }

    .benefit-cards {
        grid-template-columns: 1fr;
    }

    .benefit-cards article {
        min-height: auto;
    }

    .benefit-cards h3 {
        margin-top: 20px;
    }

    .app-section {
        padding: 34px 24px;
        grid-template-columns: 1fr;
    }

    .app-art {
        width: 140px;
        height: 165px;
    }

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

    .footer-inner nav {
        flex-wrap: wrap;
    }

    .channel-hero {
        padding: 32px 24px;
        grid-template-columns: 1fr;
    }

    .channel-hero aside {
        align-items: center;
        flex-direction: row;
        justify-content: center;
        gap: 10px;
    }

    .channel-feature img {
        height: 340px;
    }

    .channel-feature > div {
        padding: 30px 24px;
    }

    .reader-header {
        padding: 34px 22px;
    }

    .reader-tags,
    .reader-tools {
        flex-wrap: wrap;
    }

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

    .chapter-nav a:last-child {
        align-items: flex-start;
        text-align: left;
    }
}

@media (max-width: 420px) {
    .four-columns,
    .three-columns {
        grid-template-columns: 1fr;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-stats {
        justify-content: space-between;
        gap: 8px;
    }
}