:root {
    --brand: #12b28d;
    --brand-deep: #0d8c71;
    --accent: #f6972a;
    --ink: #20323e;
    --muted: #5b6f78;
    --line: #d5e6e1;
    --bg: #edf4f2;
    --card: #ffffff;
    --radius: 14px;
    --shadow: 0 10px 30px rgba(13, 140, 113, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Noto Serif SC", "Source Han Serif SC", "PingFang SC", "Microsoft YaHei", serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
}

.container {
    width: min(1180px, 92vw);
    margin: 0 auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.skip-link {
    position: absolute;
    left: 12px;
    top: -40px;
    background: var(--brand);
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    text-decoration: none;
    z-index: 1000;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 78px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    display: none;
}

.brand-tag {
    color: var(--brand);
    font-size: 12px;
    letter-spacing: 0.04em;
}

.brand h1 {
    font-size: clamp(1rem, 1.7vw, 1.3rem);
    line-height: 1.25;
}

.site-nav > ul {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    background: var(--brand);
    border-radius: 999px;
    padding: 6px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    font-size: 0.95rem;
    padding: 9px 14px;
    border-radius: 999px;
    transition: 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
    background: var(--accent);
    color: #fff;
}

.nav-dropdown-toggle {
    border: 0;
    background: transparent;
    cursor: pointer;
    font: inherit;
}

.nav-dropdown-toggle i {
    font-size: 0.75rem;
    margin-left: 6px;
}

.site-nav .dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 290px;
    max-height: 68vh;
    overflow: auto;
    list-style: none;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
    display: none;
    padding: 6px;
    z-index: 300;
}

.nav-dropdown.open .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 8px 10px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--ink);
    font-size: 0.92rem;
}

.dropdown-menu a:hover {
    background: #e8f7f2;
    color: var(--brand-deep);
}

.menu-toggle {
    display: none;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    color: var(--ink);
    padding: 8px 10px;
    font-size: 1rem;
}

.hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(118deg, rgba(12, 104, 92, 0.56), rgba(18, 178, 141, 0.42)),
        linear-gradient(35deg, rgba(114, 228, 198, 0.14), rgba(165, 239, 218, 0.1)),
        url('images/banner1.png') center/cover no-repeat;
    background-blend-mode: multiply, screen, normal;
    color: #fff;
    padding: 64px 0;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 26px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 12% 22%, rgba(255, 255, 255, 0.1), transparent 40%),
        radial-gradient(circle at 82% 72%, rgba(171, 245, 221, 0.16), transparent 46%);
}

.eyebrow {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 999px;
    padding: 4px 12px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}

.hero-copy h2 {
    font-size: clamp(1.5rem, 3.2vw, 2.2rem);
    line-height: 1.3;
    margin-bottom: 10px;
}

.hero-copy > p {
    color: rgba(255, 255, 255, 0.92);
    max-width: 56ch;
}

.search-form {
    margin-top: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.search-form input {
    border: 0;
    outline: none;
    flex: 1;
    min-width: 0;
    font-size: 0.98rem;
    color: var(--ink);
    padding: 10px;
    border-radius: 8px;
}

.search-form button {
    border: 0;
    cursor: pointer;
    background: var(--accent);
    color: #1b1b1b;
    padding: 10px 16px;
    border-radius: 8px;
    font-weight: 700;
}

.hero-panel {
    background: rgba(13, 140, 113, 0.3);
    border: 1px solid rgba(216, 247, 237, 0.36);
    border-radius: var(--radius);
    padding: 20px;
}

.hero-panel h3 {
    margin-bottom: 12px;
    font-size: 1.05rem;
}

.hero-panel ul {
    list-style: none;
    display: grid;
    gap: 10px;
}

.hero-panel li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: start;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.28);
}

.hero-panel li:last-child {
    border-bottom: 0;
}

.hero-panel time {
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.85rem;
}

.hero-panel a {
    color: #fff;
    text-decoration: none;
}

.main-content {
    padding: 34px 0 56px;
}

.quick-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 26px;
}

.quick-card {
    display: block;
    text-decoration: none;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.quick-card:hover {
    transform: translateY(-3px);
    border-color: var(--brand);
}

.quick-card i {
    color: var(--brand);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.quick-card h3 {
    color: var(--ink);
    margin-bottom: 4px;
}

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

.section-block {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px;
    margin-bottom: 20px;
}

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

.section-head h2 {
    font-size: 1.35rem;
    color: var(--brand-deep);
}

.text-link {
    color: var(--brand);
    text-decoration: none;
    font-weight: 600;
}

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

.policy-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px;
    background: #f8fcfa;
}

.policy-card h3 {
    font-size: 1.03rem;
    margin-bottom: 8px;
}

.policy-card h3 i {
    color: var(--brand);
}

.policy-card p {
    color: var(--muted);
    margin-bottom: 10px;
}

.policy-card a {
    color: var(--brand);
    text-decoration: none;
    font-weight: 600;
}

.resource-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 0.9fr;
    gap: 14px;
}

.resource-panel,
.resource-side {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px;
    background: #f8fcfa;
}

.resource-panel h3,
.resource-side h3 {
    margin-bottom: 10px;
    color: var(--brand-deep);
}

.resource-panel ul,
.resource-side ul {
    list-style: none;
    display: grid;
    gap: 9px;
}

.resource-panel a {
    text-decoration: none;
    color: var(--ink);
}

.resource-panel a i {
    color: var(--brand);
}

.about-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.about-layout article {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px;
    background: #f8fcfa;
}

.about-layout h3 {
    margin-bottom: 8px;
    color: var(--brand-deep);
}

.about-layout p {
    color: var(--muted);
}

.policy-page {
    display: grid;
    gap: 18px;
}

.policy-intro {
    color: var(--muted);
    margin-bottom: 12px;
}

.policy-toc {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    list-style: none;
}

.policy-toc a {
    display: block;
    text-decoration: none;
    color: var(--brand-deep);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 8px 10px;
    background: #fbfdff;
}

.policy-list {
    margin-left: 1.25em;
    display: grid;
    gap: 8px;
}

.policy-subtitle {
    margin: 8px 0;
    color: var(--brand-deep);
    font-size: 1.05rem;
}

.policy-sign {
    margin-top: 10px;
    text-align: right;
    color: var(--muted);
}

.site-footer {
    background: #0d6f58;
    color: #d7f1e8;
    text-align: center;
    padding: 20px 0;
}

.notification {
    position: fixed;
    right: 16px;
    top: 16px;
    z-index: 999;
    background: var(--brand);
    color: #fff;
    border-radius: 10px;
    padding: 12px 14px;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(-8px);
    transition: 0.25s ease;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

mark.search-hit {
    background: #ffe08a;
    color: #111827;
    border-radius: 3px;
    padding: 0 2px;
}

mark.search-hit-first {
    background: #ffd166;
    box-shadow: 0 0 0 2px rgba(245, 159, 0, 0.35);
}

@media (max-width: 980px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }

    .quick-links,
    .policy-grid,
    .about-layout {
        grid-template-columns: 1fr 1fr;
    }

    .resource-layout {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 760px) {
    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .site-nav {
        position: absolute;
        left: 0;
        top: 78px;
        width: 100%;
        background: #fff;
        border-bottom: 1px solid var(--line);
        padding: 10px 16px 16px;
        display: none;
    }

    .site-nav.open {
        display: block;
    }

    .site-nav > ul {
        background: transparent;
        border-radius: 0;
        padding: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .nav-link {
        width: 100%;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: #fff;
        color: var(--ink);
    }

    .dropdown-menu {
        position: static;
        min-width: 100%;
        max-height: 280px;
        box-shadow: none;
        margin-top: 6px;
    }

    .nav-dropdown:not(.open) .dropdown-menu {
        display: none;
    }

    .nav-dropdown.open .dropdown-menu {
        display: block;
    }

    .quick-links,
    .policy-grid,
    .about-layout {
        grid-template-columns: 1fr;
    }

    .search-form {
        flex-direction: column;
        align-items: stretch;
    }

    .search-form button {
        width: 100%;
    }

    .policy-toc {
        grid-template-columns: 1fr;
    }
}