:root {
    --bg: #EAF2FB;
    --surface: #FFFFFF;
    --soft: #F4F8FF;
    --soft-2: #EDF5FF;
    --soft-3: #E1ECF8;
    --blue: #2FA8F7;
    --blue-light: #45C7FF;
    --blue-dark: #137CD8;
    --title: #137CD8;
    --text: #24364F;
    --muted: #5D718A;
    --footer: #102B46;
    --footer-text: #EAF6FF;
    --line: rgba(47, 168, 247, 0.16);
    --shadow: 0 18px 45px rgba(30, 91, 145, 0.12);
    --shadow-soft: 0 10px 28px rgba(30, 91, 145, 0.09);
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --header-h: 74px;
    --channel-h: 52px;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(69, 199, 255, 0.11), transparent 28rem),
        linear-gradient(180deg, #F5FAFF 0, var(--bg) 18rem, var(--bg) 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

body.drawer-open {
    overflow: hidden;
}

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

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

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.skip-link {
    position: fixed;
    left: 16px;
    top: -80px;
    z-index: 9999;
    padding: 10px 16px;
    border-radius: 12px;
    background: var(--blue-dark);
    color: #fff;
    transition: top .2s ease;
}

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

.section-shell {
    width: min(1180px, calc(100% - 40px));
    margin-inline: auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
}

.desktop-header {
    height: var(--header-h);
    border-bottom: 1px solid rgba(19, 124, 216, 0.08);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.header-inner {
    width: min(1180px, calc(100% - 40px));
    height: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr) 106px;
    align-items: center;
    gap: 28px;
}

.brand-logo,
.mobile-logo,
.drawer-logo,
.footer-logo {
    display: inline-flex;
    align-items: center;
}

.brand-logo img {
    width: 148px;
    max-height: 48px;
    object-fit: contain;
}

.core-nav {
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: clamp(12px, 2vw, 30px);
    height: 100%;
    white-space: nowrap;
}

.core-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0 4px;
    color: var(--muted);
    font-size: 15px;
    font-weight: 650;
    transition: color .2s ease;
}

.core-nav a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 13px;
    width: 0;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--blue-light), var(--blue-dark));
    transform: translateX(-50%);
    transition: width .2s ease;
}

.core-nav a:hover,
.core-nav a.is-active {
    color: var(--blue-dark);
}

.core-nav a:hover::after,
.core-nav a.is-active::after {
    width: 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 24px;
    border: 0;
    border-radius: 999px;
    font-weight: 750;
    line-height: 1;
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #45C7FF 0%, #2FA8F7 48%, #137CD8 100%);
    box-shadow: 0 10px 22px rgba(19, 124, 216, 0.24);
}

.btn-primary:hover {
    filter: saturate(1.08);
    box-shadow: 0 13px 28px rgba(19, 124, 216, 0.3);
}

.header-register {
    justify-self: end;
    min-width: 92px;
}

.channel-bar {
    height: var(--channel-h);
    border-bottom: 1px solid rgba(19, 124, 216, 0.08);
    background: rgba(244, 248, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.channel-scroll {
    width: min(1180px, calc(100% - 40px));
    height: 100%;
    margin-inline: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
}

.channel-scroll::-webkit-scrollbar {
    display: none;
}

.channel-scroll a {
    flex: 0 0 auto;
    padding: 7px 13px;
    border-radius: 999px;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.76);
    font-size: 13px;
    line-height: 1.2;
    transition: color .2s ease, background .2s ease, box-shadow .2s ease;
}

.channel-scroll a:hover,
.channel-scroll a.is-active {
    color: #fff;
    background: var(--blue);
    box-shadow: 0 7px 16px rgba(47, 168, 247, 0.22);
}

.mobile-header,
.mobile-drawer,
.drawer-overlay,
.mobile-bottom-nav {
    display: none;
}

.site-main {
    padding-top: calc(var(--header-h) + var(--channel-h) + 26px);
}

.inner-main {
    padding-bottom: 72px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 18px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--blue-light), var(--blue-dark));
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    color: var(--title);
    line-height: 1.28;
}

h1 {
    margin-bottom: 20px;
    font-size: clamp(34px, 5vw, 58px);
    letter-spacing: -0.035em;
}

h2 {
    margin-bottom: 14px;
    font-size: clamp(27px, 3.5vw, 40px);
    letter-spacing: -0.025em;
}

h3 {
    margin-bottom: 12px;
    font-size: 21px;
}

p {
    margin-bottom: 16px;
    color: var(--text);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--blue-dark);
    font-weight: 750;
    transition: gap .2s ease, color .2s ease;
}

.text-link::after {
    content: "→";
}

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

.text-link--light {
    color: #fff;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    margin-top: 28px;
}

/* 首页轮播 */
.home-main {
    padding-bottom: 72px;
}

.home-carousel-section {
    width: min(1240px, calc(100% - 28px));
    margin: 0 auto 34px;
    padding: 14px;
    border-radius: 34px;
    background: rgba(225, 236, 248, 0.72);
}

.carousel {
    position: relative;
    overflow: hidden;
    min-height: clamp(250px, 38vw, 520px);
    border-radius: 26px;
    background: #fff;
    box-shadow: var(--shadow);
}

.carousel-track {
    position: relative;
    height: clamp(250px, 38vw, 520px);
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .55s ease, visibility .55s ease;
}

.carousel-slide.is-active {
    opacity: 1;
    visibility: visible;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #fff;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    z-index: 3;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255,255,255,.55);
    border-radius: 50%;
    color: var(--blue-dark);
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 10px 26px rgba(28, 80, 124, 0.18);
    transform: translateY(-50%);
    transition: background .2s ease, transform .2s ease;
}

.carousel-arrow:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.05);
}

.carousel-arrow--prev {
    left: 18px;
}

.carousel-arrow--next {
    right: 18px;
}

.carousel-dots {
    position: absolute;
    z-index: 3;
    left: 50%;
    bottom: 18px;
    display: flex;
    gap: 9px;
    transform: translateX(-50%);
}

.carousel-dot {
    width: 9px;
    height: 9px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(19, 124, 216, 0.32);
    transition: width .2s ease, background .2s ease;
}

.carousel-dot.is-active {
    width: 28px;
    background: var(--blue-dark);
}

/* 通用内容 */
.brand-intro,
.inner-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
    align-items: center;
    gap: 52px;
    padding: clamp(30px, 5vw, 64px);
    border: 1px solid rgba(47, 168, 247, 0.12);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 90% 20%, rgba(69, 199, 255, 0.14), transparent 18rem),
        #fff;
    box-shadow: var(--shadow-soft);
}

.brand-intro {
    margin-top: 34px;
    margin-bottom: 34px;
}

.brand-intro__content > p,
.inner-hero__content > p {
    max-width: 680px;
    color: var(--muted);
    font-size: 17px;
}

.brand-intro__media,
.inner-hero__media {
    margin: 0;
    min-height: 310px;
    display: grid;
    place-items: center;
    border-radius: 24px;
    background: linear-gradient(145deg, var(--soft), #fff);
    overflow: hidden;
}

.brand-intro__media img,
.inner-hero__media img {
    width: 100%;
    height: 100%;
    max-height: 440px;
    object-fit: contain;
}

.inner-hero {
    min-height: 470px;
}

.inner-hero__content {
    min-width: 0;
}

.notice-strip {
    margin-top: 28px;
    padding: 22px 28px;
    border-left: 4px solid var(--blue);
    border-radius: 0 18px 18px 0;
    background: rgba(255, 255, 255, .75);
    box-shadow: var(--shadow-soft);
}

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

.content-section {
    margin-top: 66px;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 28px;
}

.section-heading p {
    color: var(--muted);
    font-size: 16px;
}

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

.quick-card {
    position: relative;
    overflow: hidden;
    min-height: 210px;
    padding: 26px;
    border: 1px solid rgba(47, 168, 247, 0.12);
    border-radius: 22px;
    background: #fff;
    box-shadow: var(--shadow-soft);
    transition: transform .2s ease, box-shadow .2s ease;
}

.quick-card::before {
    content: "";
    position: absolute;
    width: 110px;
    height: 110px;
    right: -48px;
    top: -48px;
    border-radius: 50%;
    background: rgba(69, 199, 255, 0.12);
}

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

.quick-card h3 {
    position: relative;
    margin-bottom: 10px;
}

.quick-card p {
    position: relative;
    color: var(--muted);
    min-height: 58px;
}

.platform-strip {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 34px;
    align-items: center;
    margin-top: 34px;
    padding: 28px 34px;
    border-radius: 24px;
    color: #fff;
    background:
        radial-gradient(circle at right center, rgba(255,255,255,.14), transparent 22rem),
        linear-gradient(135deg, #137CD8 0%, #2FA8F7 68%, #45C7FF 100%);
    box-shadow: 0 18px 40px rgba(19, 124, 216, .22);
}

.platform-strip p {
    margin: 0;
    color: rgba(255,255,255,.92);
}

.platform-strip .text-link {
    white-space: nowrap;
    color: #fff;
}

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

.info-card {
    padding: 24px;
    border-radius: 20px;
    background: rgba(255,255,255,.84);
    border: 1px solid rgba(47,168,247,.11);
}

.info-card span {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 5px 10px;
    border-radius: 999px;
    color: var(--blue-dark);
    background: var(--soft-2);
    font-size: 12px;
    font-weight: 800;
}

.info-card h3 {
    font-size: 18px;
}

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

.split-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

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

.feature-card,
.split-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(47, 168, 247, 0.12);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-soft);
}

.split-card {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
}

.card-media,
.split-card__media {
    margin: 0;
    min-height: 220px;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, var(--soft), #fff);
}

.card-media img,
.split-card__media img {
    width: 100%;
    height: 100%;
    max-height: 300px;
    object-fit: contain;
}

.feature-card__body,
.split-card__body {
    padding: 26px;
}

.feature-card__body p,
.split-card__body p {
    color: var(--muted);
}

.feature-card__body p:last-of-type,
.split-card__body p:last-of-type {
    margin-bottom: 18px;
}

.check-list {
    display: grid;
    gap: 9px;
    margin: 18px 0 20px;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 20px;
    color: var(--text);
    font-size: 14px;
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-light), var(--blue-dark));
    box-shadow: 0 0 0 4px rgba(47,168,247,.11);
}

.soft-section {
    padding: clamp(28px, 5vw, 54px);
    border-radius: var(--radius-xl);
    background: rgba(237, 245, 255, .78);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.step-card {
    padding: 24px;
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--shadow-soft);
}

.step-number {
    display: inline-flex;
    margin-bottom: 18px;
    color: var(--blue-light);
    font-size: 28px;
    font-weight: 900;
    line-height: 1;
}

.step-card h3 {
    font-size: 18px;
}

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

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

.compact-card {
    padding: 24px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid rgba(47,168,247,.11);
    box-shadow: var(--shadow-soft);
}

.compact-card p {
    margin-bottom: 0;
    color: var(--muted);
}

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

.review-card {
    position: relative;
    padding: 26px;
    border-radius: 22px;
    background: #fff;
    border: 1px solid rgba(47,168,247,.11);
    box-shadow: var(--shadow-soft);
}

.review-card::before {
    content: "“";
    position: absolute;
    right: 22px;
    top: 8px;
    color: rgba(47,168,247,.13);
    font: 700 72px/1 Georgia, serif;
}

.review-card p {
    position: relative;
    margin-bottom: 18px;
    color: var(--text);
}

.review-card span {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

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

.faq-item {
    overflow: hidden;
    border: 1px solid rgba(47,168,247,.13);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 8px 22px rgba(30, 91, 145, 0.06);
}

.faq-item summary {
    position: relative;
    padding: 20px 56px 20px 22px;
    color: var(--title);
    font-weight: 750;
    list-style: none;
    cursor: pointer;
}

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

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 22px;
    top: 50%;
    color: var(--blue);
    font-size: 24px;
    transform: translateY(-50%);
}

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

.faq-answer {
    padding: 0 22px 20px;
}

.faq-answer p {
    margin: 0;
    color: var(--muted);
}

.responsible-banner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 34px;
    margin-top: 66px;
    padding: 36px;
    border-radius: 26px;
    color: #fff;
    background:
        radial-gradient(circle at 85% 20%, rgba(69,199,255,.28), transparent 18rem),
        var(--footer);
    box-shadow: var(--shadow);
}

.responsible-banner h2 {
    margin: 8px 0 12px;
    color: #fff;
    font-size: clamp(24px, 3vw, 34px);
}

.responsible-banner p {
    max-width: 850px;
    margin: 0;
    color: rgba(234, 246, 255, .82);
}

.responsible-banner .eyebrow {
    color: var(--blue-light);
}

/* 服务浮窗 */
.service-float {
    position: fixed;
    z-index: 700;
    right: 16px;
    top: 50%;
    width: 106px;
    padding: 10px;
    display: grid;
    gap: 5px;
    border: 1px solid rgba(47,168,247,.14);
    border-radius: 18px;
    background: rgba(255,255,255,.9);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(12px);
    transform: translateY(-50%);
}

.service-float a,
.service-float button {
    min-height: 38px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 12px;
    color: var(--blue-dark);
    background: transparent;
    font-size: 13px;
    font-weight: 750;
}

.service-float a:hover,
.service-float button:hover {
    background: var(--soft-2);
}

.service-float .service-float__register {
    color: #fff;
    background: linear-gradient(135deg, var(--blue-light), var(--blue-dark));
}

/* 页脚 */
.site-footer {
    color: var(--footer-text);
    background:
        radial-gradient(circle at 85% 15%, rgba(69,199,255,.12), transparent 24rem),
        var(--footer);
}

.footer-main {
    padding: 62px 0 40px;
    display: grid;
    grid-template-columns: minmax(260px, .8fr) minmax(0, 1.5fr);
    gap: 70px;
}

.footer-logo img {
    width: 150px;
    max-height: 54px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    max-width: 430px;
    margin: 22px 0 18px;
    color: rgba(234,246,255,.72);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px;
}

.footer-links h2 {
    margin-bottom: 16px;
    color: #fff;
    font-size: 15px;
}

.footer-links a {
    display: block;
    margin: 9px 0;
    color: rgba(234,246,255,.7);
    font-size: 14px;
}

.footer-links a:hover,
.footer-bottom a:hover {
    color: var(--blue-light);
}

.footer-notice {
    padding: 22px 0;
    border-top: 1px solid rgba(234,246,255,.12);
    border-bottom: 1px solid rgba(234,246,255,.12);
}

.footer-notice p {
    margin: 0;
    color: rgba(234,246,255,.62);
    font-size: 13px;
}

.footer-bottom {
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.footer-bottom p {
    margin: 0;
    color: rgba(234,246,255,.58);
    font-size: 13px;
}

.footer-bottom div {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.footer-bottom a {
    color: rgba(234,246,255,.68);
    font-size: 13px;
}

/* 联系方式占位 */
.contact-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 18px;
    margin-top: 24px;
}

.contact-box {
    padding: 24px;
    border-radius: 20px;
    background: var(--soft);
}

.contact-box strong {
    display: block;
    color: var(--title);
    margin-bottom: 8px;
}

.contact-box p {
    margin: 0;
    color: var(--muted);
}

/* 平板 */
@media (max-width: 1080px) {
    .header-inner {
        grid-template-columns: 150px minmax(0, 1fr) 92px;
        gap: 16px;
    }

    .core-nav {
        gap: 14px;
    }

    .core-nav a {
        font-size: 14px;
    }

    .service-float {
        display: none;
    }

    .brand-intro,
    .inner-hero {
        grid-template-columns: 1fr 360px;
        gap: 34px;
    }

    .quick-grid,
    .feature-grid,
    .compact-grid,
    .review-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

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

    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 720px) {
    :root {
        --header-h: 68px;
        --channel-h: 0px;
    }

    body {
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
    }

    .desktop-header,
    .channel-bar {
        display: none;
    }

    .mobile-header {
        height: var(--header-h);
        padding: 0 14px;
        display: grid;
        grid-template-columns: 52px minmax(0, 1fr) 78px;
        align-items: center;
        border-bottom: 1px solid rgba(19,124,216,.1);
        background: rgba(255,255,255,.92);
        backdrop-filter: blur(14px);
    }

    .menu-toggle {
        width: 44px;
        height: 44px;
        padding: 0;
        display: grid;
        place-content: center;
        gap: 5px;
        border: 0;
        border-radius: 14px;
        background: var(--soft);
    }

    .menu-toggle span {
        width: 20px;
        height: 2px;
        border-radius: 999px;
        background: var(--blue-dark);
    }

    .mobile-logo {
        justify-self: center;
    }

    .mobile-logo img {
        width: 132px;
        max-height: 45px;
        object-fit: contain;
    }

    .mobile-register {
        justify-self: end;
        min-width: 68px;
        min-height: 38px;
        padding: 0 16px;
        font-size: 14px;
    }

    .drawer-overlay {
        position: fixed;
        inset: 0;
        z-index: 1050;
        display: block;
        background: rgba(16,43,70,.46);
        opacity: 0;
        visibility: hidden;
        transition: opacity .25s ease, visibility .25s ease;
    }

    .mobile-drawer {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 1100;
        width: min(84vw, 360px);
        display: flex;
        flex-direction: column;
        background: #fff;
        box-shadow: 20px 0 50px rgba(16,43,70,.18);
        transform: translateX(-105%);
        transition: transform .28s ease;
    }

    body.drawer-open .drawer-overlay {
        opacity: 1;
        visibility: visible;
    }

    .mobile-drawer.is-open {
        transform: translateX(0);
    }

    .drawer-head {
        min-height: 72px;
        padding: 12px 16px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid var(--line);
    }

    .drawer-logo img {
        width: 132px;
        max-height: 44px;
        object-fit: contain;
    }

    .drawer-close {
        width: 42px;
        height: 42px;
        border: 0;
        border-radius: 14px;
        color: var(--blue-dark);
        background: var(--soft);
        font-size: 28px;
        line-height: 1;
    }

    .drawer-nav {
        padding: 14px 14px 28px;
        overflow-y: auto;
        display: grid;
        grid-template-columns: repeat(2, minmax(0,1fr));
        gap: 8px;
    }

    .drawer-nav a {
        padding: 11px 12px;
        border-radius: 12px;
        color: var(--muted);
        background: var(--soft);
        font-size: 14px;
    }

    .drawer-nav a.is-active {
        color: #fff;
        background: linear-gradient(135deg, var(--blue-light), var(--blue-dark));
    }

    .mobile-bottom-nav {
        position: fixed;
        inset: auto 0 0;
        z-index: 900;
        min-height: calc(64px + env(safe-area-inset-bottom));
        padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        border-top: 1px solid rgba(19,124,216,.12);
        background: rgba(255,255,255,.95);
        backdrop-filter: blur(15px);
        box-shadow: 0 -8px 26px rgba(16,43,70,.08);
    }

    .mobile-bottom-nav a {
        display: grid;
        place-items: center;
        border-radius: 12px;
        color: var(--muted);
        font-size: 13px;
        font-weight: 700;
    }

    .mobile-bottom-nav a.is-active {
        color: var(--blue-dark);
        background: var(--soft-2);
    }

    .site-main {
        padding-top: calc(var(--header-h) + 18px);
    }

    .home-carousel-section {
        width: min(100% - 20px, 760px);
        margin-bottom: 24px;
        padding: 8px;
        border-radius: 22px;
    }

    .carousel,
    .carousel-track {
        min-height: 220px;
        height: min(56vw, 420px);
        border-radius: 17px;
    }

    .carousel-arrow {
        width: 38px;
        height: 38px;
    }

    .carousel-arrow--prev {
        left: 10px;
    }

    .carousel-arrow--next {
        right: 10px;
    }

    .brand-intro,
    .inner-hero {
        grid-template-columns: 1fr;
        min-height: 0;
        padding: 34px;
    }

    .brand-intro__media,
    .inner-hero__media {
        min-height: 250px;
    }

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

    .platform-strip,
    .responsible-banner {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 620px) {
    .section-shell {
        width: min(100% - 24px, 560px);
    }

    h1 {
        font-size: 34px;
    }

    h2 {
        font-size: 27px;
    }

    .home-main,
    .inner-main {
        padding-bottom: 48px;
    }

    .home-carousel-section {
        width: calc(100% - 16px);
    }

    .carousel,
    .carousel-track {
        min-height: 190px;
        height: 58vw;
        max-height: 300px;
    }

    .carousel-arrow {
        width: 34px;
        height: 34px;
        font-size: 14px;
    }

    .carousel-dots {
        bottom: 11px;
    }

    .carousel-dot {
        width: 7px;
        height: 7px;
    }

    .carousel-dot.is-active {
        width: 22px;
    }

    .brand-intro,
    .inner-hero {
        padding: 26px 22px;
        border-radius: 24px;
        gap: 24px;
    }

    .brand-intro__media,
    .inner-hero__media {
        min-height: 210px;
        border-radius: 18px;
    }

    .quick-grid,
    .feature-grid,
    .feature-grid--two,
    .compact-grid,
    .review-grid,
    .info-board,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .quick-card {
        min-height: 0;
    }

    .quick-card p {
        min-height: 0;
    }

    .platform-strip {
        padding: 24px;
        border-radius: 20px;
    }

    .content-section {
        margin-top: 48px;
    }

    .soft-section {
        width: calc(100% - 24px);
        padding: 28px 18px;
        border-radius: 24px;
    }

    .feature-card__body,
    .split-card__body {
        padding: 22px;
    }

    .card-media,
    .split-card__media {
        min-height: 190px;
    }

    .responsible-banner {
        padding: 26px 22px;
        border-radius: 22px;
    }

    .footer-main {
        padding-top: 46px;
    }

    .footer-links {
        gap: 22px 16px;
    }

    .footer-bottom {
        padding: 18px 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .contact-panel {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
    }
}