:root {
    --brand: rgb(255, 80, 0);
    --brand-dark: #E85A00;
    --brand-soft: #FFF3EC;
    --page-bg: #F6F6F6;
    --text: #222222;
    --muted: #555555;
    --subtle: #777777;
    --dark: #111111;
    --footer: #1F1F1F;
    --card: #FFFFFF;
    --line: rgba(0, 0, 0, .08);
    --shadow: 0 12px 32px rgba(0, 0, 0, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    color: var(--text);
    background: var(--page-bg);
    line-height: 1.75;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container {
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid rgba(0,0,0,.06);
    box-shadow: 0 8px 24px rgba(0,0,0,.06);
    backdrop-filter: blur(12px);
}
.mobile-top {
    position: relative;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
}
.mobile-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.mobile-logo img { width: 96px; max-height: 36px; object-fit: contain; }
.menu-toggle {
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 12px;
    background: #f3f3f3;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 0 10px;
}
.menu-toggle span {
    width: 100%;
    height: 2px;
    border-radius: 999px;
    background: #222;
}
.desktop-header { display: none; }
.brand-logo img { width: 132px; max-height: 48px; object-fit: contain; }
.desktop-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1;
}
.desktop-nav a {
    padding: 9px 12px;
    border-radius: 999px;
    color: #333;
    font-weight: 600;
    white-space: nowrap;
    font-size: 15px;
}
.desktop-nav a:hover,
.desktop-nav a.active {
    color: var(--brand);
    background: rgba(255,80,0,.08);
}
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand);
    color: #fff;
    border-radius: 999px;
    padding: 12px 24px;
    font-weight: 800;
    line-height: 1;
    box-shadow: 0 10px 22px rgba(255,80,0,.26);
    transition: background .2s ease, transform .2s ease;
}
.main-btn:hover { background: var(--brand-dark); transform: translateY(-1px); }
.header-btn {
    padding: 9px 13px;
    font-size: 13px;
    min-width: auto;
    white-space: nowrap;
}
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.52);
    opacity: 0;
    pointer-events: none;
    z-index: 1001;
    transition: opacity .25s ease;
}
.mobile-drawer {
    position: fixed;
    left: 0;
    top: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #fff;
    z-index: 1002;
    transform: translateX(-100%);
    transition: transform .28s ease;
    padding: 18px;
    box-shadow: 18px 0 40px rgba(0,0,0,.22);
}
.drawer-open { overflow: hidden; }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-open .mobile-drawer { transform: translateX(0); }
.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}
.drawer-logo img { width: 110px; max-height: 42px; object-fit: contain; }
.drawer-close {
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 28px;
    line-height: 1;
}
.drawer-nav {
    display: grid;
    gap: 8px;
    padding-top: 16px;
}
.drawer-nav a {
    padding: 13px 14px;
    border-radius: 14px;
    color: #222;
    font-weight: 700;
    border: 1px solid transparent;
}
.drawer-nav a.active,
.drawer-nav a:hover {
    color: var(--brand);
    background: var(--brand-soft);
    border-color: rgba(255,80,0,.18);
}
.hero-section {
    background:
      linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.58)),
      url('banner.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 42px 0 50px;
    position: relative;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 20px;
    max-width: 1200px;
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
    text-align: center;
}
.hero-image {
    order: 1;
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
}
.hero-image img {
    width: 100%;
    max-height: 320px;
    object-fit: contain;
    filter: drop-shadow(0 22px 36px rgba(0,0,0,.35));
}
.hero-content {
    order: 2;
    position: relative;
    z-index: 2;
}
.hero-kicker {
    display: inline-flex;
    color: #fff;
    background: rgba(255,80,0,.22);
    border: 1px solid rgba(255,80,0,.5);
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 13px;
    margin-bottom: 12px;
}
.hero-title {
    margin: 0 0 14px;
    font-size: clamp(34px, 9vw, 58px);
    line-height: 1.08;
    color: rgb(255, 80, 0);
    letter-spacing: -.02em;
}
.hero-desc {
    margin: 0 auto 22px;
    color: #ffffff;
    max-width: 640px;
    font-size: 16px;
}
.section {
    padding: 56px 0;
}
.section-light { background: #fff; }
.section-soft { background: var(--brand-soft); }
.section-grey { background: var(--page-bg); }
.section-dark {
    background: #111;
    color: #fff;
}
.section-head {
    margin-bottom: 26px;
}
.section-head.center { text-align: center; max-width: 820px; margin-left: auto; margin-right: auto; }
.eyebrow {
    color: var(--brand);
    font-weight: 800;
    letter-spacing: .04em;
    margin: 0 0 6px;
}
h1, h2, h3 { line-height: 1.35; }
h2 {
    margin: 0;
    font-size: clamp(26px, 4.8vw, 38px);
}
.section-head p {
    margin: 10px 0 0;
    color: var(--muted);
}
.quick-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}
.quick-card {
    background: #fff;
    border: 1px solid rgba(255,80,0,.13);
    border-radius: 18px;
    padding: 16px;
    box-shadow: 0 8px 22px rgba(0,0,0,.05);
}
.quick-card strong { display: block; color: #222; margin-bottom: 4px; }
.quick-card span { display: block; color: var(--subtle); font-size: 13px; line-height: 1.6; }
.text-link {
    display: inline-flex;
    color: var(--brand);
    font-weight: 800;
    margin-top: 10px;
}
.text-link:hover { color: var(--brand-dark); text-decoration: underline; }
.feature-grid,
.category-grid,
.service-grid,
.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.feature-card,
.category-card,
.service-card,
.info-card,
.faq-item,
.notice-card,
.step-card {
    background: #fff;
    border-radius: 18px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(0,0,0,.05);
}
.feature-card,
.category-card { overflow: hidden; }
.card-image {
    height: 150px;
    background: linear-gradient(135deg, #fff, #fff3ec);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}
.card-body { padding: 18px; }
.card-body h3,
.service-card h3,
.info-card h3,
.faq-item h3,
.notice-card h3,
.step-card h3 {
    margin: 0 0 8px;
    font-size: 20px;
}
.card-body p,
.service-card p,
.info-card p,
.faq-item p,
.notice-card p,
.step-card p {
    margin: 0;
    color: var(--muted);
}
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0 0;
}
.tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 5px 10px;
    background: var(--brand-soft);
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 700;
}
.app-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
    align-items: center;
    background: #fff;
    border-radius: 24px;
    padding: 22px;
    box-shadow: var(--shadow);
}
.app-visual {
    background: linear-gradient(135deg, #111, #3a1a0d);
    border-radius: 20px;
    padding: 20px;
}
.app-visual img {
    width: 100%;
    max-height: 360px;
    object-fit: contain;
    margin: 0 auto;
}
.service-card,
.info-card,
.notice-card,
.step-card {
    padding: 22px;
}
.service-card .num,
.step-card .num {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    font-weight: 800;
    margin-bottom: 12px;
}
.notice-card {
    background: linear-gradient(135deg, #fff, #fff4ee);
    border: 1px solid rgba(255,80,0,.18);
}
.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}
.faq-item { padding: 20px; }
.page-hero {
    background: linear-gradient(135deg, #111 0%, #27130b 62%, #111 100%);
    color: #fff;
    padding: 52px 0;
}
.page-hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: center;
}
.page-hero h1 {
    margin: 0 0 14px;
    color: var(--brand);
    font-size: clamp(32px, 8vw, 50px);
}
.page-hero p {
    margin: 0;
    color: #e8e8e8;
    max-width: 780px;
}
.page-visual {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 22px;
    padding: 18px;
}
.page-visual img {
    width: 100%;
    max-height: 320px;
    object-fit: contain;
    margin: 0 auto;
}
.content-wrap {
    display: grid;
    grid-template-columns: 1fr;
    gap: 22px;
}
.article-card {
    background: #fff;
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow);
}
.article-card h2,
.article-card h3 { margin-top: 0; }
.article-card p { color: var(--muted); margin: 0 0 14px; }
.article-card p:last-child { margin-bottom: 0; }
.check-list {
    padding: 0;
    margin: 14px 0 0;
    list-style: none;
    display: grid;
    gap: 10px;
}
.check-list li {
    position: relative;
    padding-left: 24px;
    color: var(--muted);
}
.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .72em;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--brand);
}
.two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
.site-footer {
    background: var(--footer);
    color: #D8D8D8;
    padding-top: 46px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 26px;
}
.footer-logo {
    width: 128px;
    max-height: 46px;
    object-fit: contain;
    margin-bottom: 12px;
}
.site-footer h3 {
    color: #fff;
    margin: 0 0 12px;
    font-size: 18px;
}
.site-footer p {
    margin: 0;
    color: #D8D8D8;
}
.site-footer a {
    display: block;
    color: #D8D8D8;
    margin: 8px 0;
}
.site-footer a:hover { color: var(--brand); }
.footer-bottom {
    margin-top: 34px;
    padding: 16px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,.1);
    color: #bdbdbd;
    font-size: 14px;
}
@media (min-width: 640px) {
    .quick-grid { grid-template-columns: repeat(3, 1fr); }
    .feature-grid,
    .category-grid,
    .service-grid,
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-grid { grid-template-columns: repeat(2, 1fr); }
    .card-image { height: 170px; }
}
@media (min-width: 768px) {
    .section { padding: 64px 0; }
    .hero-section { padding: 48px 0 56px; }
    .hero-inner {
        grid-template-columns: 1fr 1fr;
        text-align: left;
        gap: 40px;
    }
    .hero-image { order: 1; justify-content: flex-start; }
    .hero-content { order: 2; }
    .hero-desc { margin-left: 0; }
    .hero-image img { max-height: 520px; }
    .app-panel { grid-template-columns: .9fr 1.1fr; padding: 30px; }
    .two-col { grid-template-columns: repeat(2, 1fr); }
    .page-hero .container { grid-template-columns: 1.1fr .9fr; }
}
@media (min-width: 960px) {
    .mobile-top { display: none; }
    .desktop-header {
        height: 78px;
        display: flex;
        align-items: center;
        gap: 22px;
    }
    .header-btn {
        padding: 12px 22px;
        font-size: 15px;
    }
    .quick-grid { grid-template-columns: repeat(9, 1fr); }
    .quick-card { padding: 14px 10px; text-align: center; }
    .feature-grid { grid-template-columns: 1.2fr .9fr .9fr; }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .service-grid { grid-template-columns: repeat(3, 1fr); }
    .info-grid { grid-template-columns: repeat(4, 1fr); }
    .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.4fr; }
    .card-image { height: 178px; }
}
@media (max-width: 420px) {
    .container,
    .hero-inner { width: min(100% - 24px, 1200px); }
    .header-btn { padding: 8px 10px; font-size: 13px; }
    .mobile-logo img { width: 86px; }
    .quick-grid { gap: 10px; }
    .quick-card { padding: 13px 12px; }
    .card-image { height: 132px; }
    .section { padding: 46px 0; }
}