/* roulang page: index */
:root {
    --primary: #2C5F8A;
    --primary-light: #4A7FB5;
    --primary-hover: #234E70;
    --accent: #C7903A;
    --success: #3E8E7E;
    --danger: #C0675F;
    --body-bg: #F5F7FA;
    --white: #FFFFFF;
    --shallow-blue: #EAF1F6;
    --border: #DCE4EC;
    --text-1: #1F2A35;
    --text-2: #4E5D6C;
    --text-3: #8494A3;
    --footer-bg: #1F3445;
    --footer-text: #D4E0E9;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 2px rgba(44, 95, 138, 0.06), 0 4px 12px rgba(44, 95, 138, 0.06);
    --shadow-md: 0 8px 24px rgba(44, 95, 138, 0.12);
    --shadow-lg: 0 16px 48px rgba(31, 52, 69, 0.14);
    --transition: 0.25s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--body-bg);
    color: var(--text-1);
    line-height: 1.7;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-light);
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

h1,
h2,
h3,
h4,
p {
    margin: 0;
}

button,
input,
select {
    font-family: inherit;
}

input:focus,
button:focus,
a:focus,
select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(44, 95, 138, 0.12);
}

section {
    scroll-margin-top: 96px;
}

.grid-container {
    max-width: 1200px;
}

.site-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    height: 72px;
}

.header-inner {
    display: flex;
    align-items: center;
    height: 72px;
    gap: 18px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    color: var(--text-1);
}

.brand:hover {
    color: var(--text-1);
}

.brand-badge {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(145deg, var(--primary), var(--primary-light));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    box-shadow: 0 6px 12px rgba(44, 95, 138, 0.16);
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.brand-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    background: #FDF6E7;
    border: 1px solid #EAD9BB;
    border-radius: var(--radius-pill);
    padding: 3px 9px;
    white-space: nowrap;
}

.header-search {
    flex: 1;
    max-width: 480px;
    min-width: 200px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: #F2F5F8;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 95, 138, 0.12);
    background: #fff;
}

.search-box > i {
    position: absolute;
    left: 18px;
    color: var(--text-3);
    font-size: 14px;
}

.search-box input {
    width: 100%;
    height: 44px;
    border: 0;
    background: transparent;
    padding: 0 88px 0 46px;
    font-size: 14px;
    color: var(--text-1);
}

.search-box input::placeholder {
    color: var(--text-3);
}

.search-submit {
    position: absolute;
    right: 6px;
    height: 32px;
    border: 0;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 0 15px;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background 0.2s;
}

.search-submit:hover {
    background: var(--primary-hover);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    flex-shrink: 0;
}

.select-shell select {
    height: 40px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius-pill);
    padding: 0 32px 0 15px;
    font-size: 13px;
    color: var(--text-2);
    cursor: pointer;
    transition: border-color 0.2s;
}

.select-shell select:hover {
    border-color: var(--primary-light);
}

.nav-toggle {
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 12px;
    color: var(--primary);
    font-size: 17px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.nav-toggle:hover {
    background: var(--shallow-blue);
    border-color: var(--primary-light);
}

.mobile-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(31, 52, 69, 0.12);
    display: none;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
}

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

.mobile-nav-inner {
    padding: 18px 24px 26px;
}

.mobile-search {
    display: none;
    margin-bottom: 16px;
}

.mobile-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 6px 26px;
}

.mobile-links .nav-link {
    display: block;
    padding: 9px 4px;
    color: var(--text-1);
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid #EFF3F7;
}

.mobile-links .nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

.hero-section {
    position: relative;
    overflow: hidden;
    background: #fff;
    padding: 100px 0 88px;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
    opacity: 0.07;
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 2;
}

.hero-left .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    background: var(--shallow-blue);
    padding: 7px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 22px;
}

.hero-title {
    font-size: 44px;
    line-height: 1.15;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.02em;
    max-width: 560px;
    margin-bottom: 22px;
}

.hero-title .primary-text {
    color: var(--primary);
}

.hero-sub {
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-2);
    max-width: 540px;
    margin-bottom: 18px;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-3);
    font-size: 13px;
    margin-bottom: 26px;
}

.hero-trust i {
    color: var(--success);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 38px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-pill);
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(44, 95, 138, 0.18);
}

.btn-primary:hover {
    background: var(--primary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(44, 95, 138, 0.24);
}

.btn-outline {
    background: #fff;
    border: 1px solid var(--border);
    color: var(--primary);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: var(--shallow-blue);
    color: var(--primary);
}

.brand-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.brand-strip-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-strip-item strong {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-1);
}

.brand-strip-item span {
    font-size: 13px;
    color: var(--text-3);
}

.hero-visual {
    position: relative;
    padding: 20px 10px;
}

.hero-visual::before {
    content: "";
    position: absolute;
    top: -24px;
    right: -12px;
    width: 220px;
    height: 220px;
    border: 1px dashed rgba(44, 95, 138, 0.2);
    border-radius: 42px;
    pointer-events: none;
}

.hero-visual::after {
    content: "";
    position: absolute;
    left: -24px;
    bottom: -24px;
    width: 112px;
    height: 112px;
    border: 2px solid rgba(44, 95, 138, 0.12);
    border-radius: 50%;
    box-shadow: 0 0 0 18px rgba(44, 95, 138, 0.04);
    pointer-events: none;
}

.hero-poster {
    position: relative;
    max-width: 430px;
    margin-left: auto;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: rotate(0.8deg);
    background: #fff;
}

.hero-poster img {
    width: 100%;
    height: 520px;
    object-fit: cover;
}

.poster-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(31, 52, 69, 0) 40%, rgba(31, 52, 69, 0.68) 100%);
}

.score-chip {
    position: absolute;
    top: 18px;
    right: 18px;
    background: #fff;
    border-radius: var(--radius-pill);
    padding: 8px 13px;
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    box-shadow: 0 8px 18px rgba(31, 52, 69, 0.12);
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.score-chip i {
    color: var(--accent);
}

.caption-pill {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 16px;
    background: rgba(31, 52, 69, 0.72);
    color: #fff;
    backdrop-filter: blur(6px);
    border-radius: 14px;
    padding: 11px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    line-height: 1.5;
}

.caption-pill .pill-label {
    background: rgba(199, 144, 58, 0.88);
    color: #fff;
    font-weight: 600;
    border-radius: var(--radius-pill);
    padding: 2px 9px;
    font-size: 12px;
    flex-shrink: 0;
}

.section-pad {
    padding: 96px 0;
}

.section-head {
    max-width: 780px;
    margin-bottom: 48px;
}

.section-head .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--shallow-blue);
    border-radius: var(--radius-pill);
    padding: 5px 13px;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-head h2 {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-1);
    letter-spacing: -0.01em;
}

.section-head p {
    margin-top: 16px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-2);
}

.stats-section {
    background: var(--body-bg);
    padding: 96px 0;
}

.stat-grid {
    row-gap: 32px;
}

.stat-card {
    background: #fff;
    border: 1px solid #EAF0F5;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 30px 28px 26px;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s;
}

.stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 28px;
    width: 48px;
    height: 4px;
    background: var(--primary);
    border-radius: 0 0 4px 4px;
}

.stat-icon {
    width: 46px;
    height: 46px;
    background: var(--shallow-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 18px;
    margin-bottom: 18px;
    transition: color 0.2s;
}

.stat-card:hover .stat-icon {
    color: var(--accent);
}

.stat-number {
    font-size: 46px;
    line-height: 1.1;
    font-weight: 800;
    color: var(--text-1);
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.stat-number small {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.stat-card h3 {
    font-size: 16px;
    font-weight: 650;
    color: var(--text-1);
    margin-bottom: 6px;
}

.stat-card p {
    color: var(--text-3);
    font-size: 13px;
    line-height: 1.65;
}

.matrix-section {
    background: #fff;
    padding: 96px 0;
}

.matrix-grid {
    row-gap: 28px;
}

.matrix-block {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px;
    height: 100%;
    transition: box-shadow 0.25s, border-color 0.25s, transform 0.25s;
    box-shadow: var(--shadow-sm);
}

.matrix-block:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(44, 95, 138, 0.4);
    transform: translateY(-4px);
}

.matrix-index {
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.matrix-block h3 {
    font-size: 18px;
    color: var(--text-1);
    font-weight: 650;
    margin-bottom: 12px;
}

.matrix-block p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-2);
    margin-bottom: 18px;
}

.score-bars {
    margin: 22px 0 6px;
}

.score-row {
    display: grid;
    grid-template-columns: 96px 1fr 48px;
    align-items: center;
    gap: 12px;
    margin-bottom: 13px;
}

.score-row span {
    font-size: 13px;
    color: var(--text-2);
}

.score-track {
    height: 6px;
    background: #E8EEF4;
    border-radius: var(--radius-pill);
    overflow: hidden;
}

.score-track i {
    display: block;
    height: 100%;
    border-radius: var(--radius-pill);
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    width: 84%;
}

.score-row em {
    font-style: normal;
    font-weight: 700;
    font-size: 14px;
    color: var(--primary);
    text-align: right;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-light);
    font-size: 14px;
    font-weight: 600;
    margin-top: 8px;
}

.text-link i {
    font-size: 12px;
    transition: transform 0.2s;
}

.text-link:hover i {
    transform: translateX(4px);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.tag-list li {
    background: var(--shallow-blue);
    border-radius: var(--radius-pill);
    padding: 6px 13px;
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
}

.mini-list {
    margin-bottom: 12px;
}

.mini-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
}

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

.mini-list-left {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.mini-tag {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    background: var(--shallow-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
}

.mini-list-left span {
    font-size: 14px;
    color: var(--text-2);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mini-score {
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.topic-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #EFF3F7;
}

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

.topic-thumb {
    width: 76px;
    height: 54px;
    flex-shrink: 0;
    border-radius: 10px;
    background-size: cover;
    background-position: center;
    box-shadow: 0 4px 10px rgba(31, 52, 69, 0.1);
}

.topic-meta {
    min-width: 0;
}

.topic-meta p {
    font-size: 14px;
    color: var(--text-1);
    font-weight: 550;
    line-height: 1.5;
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.topic-meta span {
    font-size: 12px;
    color: var(--text-3);
}

.compare-section {
    padding: 96px 0;
    background: var(--body-bg);
}

.compare-intro {
    padding-right: 20px;
}

.compare-intro h2 {
    font-size: 32px;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
    color: var(--text-1);
}

.compare-intro .intro-lead {
    color: var(--text-2);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 26px;
}

.compare-points li {
    display: flex;
    gap: 14px;
    margin-bottom: 18px;
}

.point-num {
    color: var(--accent);
    font-weight: 700;
    font-size: 13px;
    margin-top: 2px;
    flex-shrink: 0;
}

.compare-points strong {
    display: block;
    color: var(--text-1);
    font-size: 15px;
    margin-bottom: 4px;
}

.compare-points p {
    color: var(--text-2);
    font-size: 14px;
    line-height: 1.7;
}

.compare-board {
    background: #fff;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.compare-board-head {
    background: var(--shallow-blue);
    padding: 18px 26px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    font-size: 15px;
    font-weight: 650;
    border-bottom: 1px solid #D7E2EB;
}

.compare-board-head i {
    color: var(--primary);
}

.compare-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid #EFF2F6;
    min-height: 74px;
    background: #fff;
}

.compare-row:last-child {
    border-bottom: 0;
}

.compare-cell {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 16px 22px;
    line-height: 1.6;
    font-size: 14px;
    color: var(--text-2);
    background: #fff;
}

.compare-cell.negative-cell {
    background: #F7F9FB;
    border-right: 1px dashed var(--border);
    color: var(--text-3);
}

.neg-icon {
    color: var(--danger);
    margin-top: 3px;
    flex-shrink: 0;
}

.pos-icon {
    color: var(--success);
    margin-top: 3px;
    flex-shrink: 0;
}

.compare-tip {
    background: rgba(44, 95, 138, 0.85);
    color: #fff;
    font-size: 14px;
    font-weight: 550;
    padding: 14px 26px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.compare-tip i {
    color: #F7D295;
}

.faq-section {
    background: #fff;
    padding: 96px 0;
}

.faq-section .section-head {
    max-width: 720px;
}

.faq-list {
    max-width: 940px;
    margin: 0 auto;
}

.faq-list .accordion-item {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.faq-list .accordion-item.is-active {
    border-color: rgba(44, 95, 138, 0.35);
    background: #F7FAFC;
    box-shadow: var(--shadow-sm);
}

.faq-list .accordion-title {
    padding: 17px 54px 17px 22px;
    color: var(--text-1);
    font-size: 16px;
    line-height: 1.5;
    font-weight: 650;
    background: transparent !important;
    border: 0 !important;
    display: block;
    position: relative;
    transition: color 0.2s;
}

.faq-list .accordion-title:hover {
    color: var(--primary);
}

.faq-list .accordion-title::after {
    content: "\f078" !important;
    font-family: "Font Awesome 6 Free" !important;
    font-weight: 900;
    font-size: 14px;
    color: var(--text-3);
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    transition: transform 0.25s, color 0.25s;
    width: auto;
    height: auto;
    border: 0;
}

.faq-list .accordion-item.is-active > .accordion-title::after {
    transform: translateY(-50%) rotate(180deg);
    color: var(--primary);
}

.faq-list .accordion-content {
    border: 0 !important;
    background: transparent !important;
    padding: 0 26px 22px;
    color: var(--text-2);
}

.faq-list .accordion-content p {
    font-size: 14px;
    line-height: 1.8;
}

.lead-section {
    padding: 96px 0;
    background: var(--body-bg);
}

.lead-card {
    background: #fff;
    border-radius: 22px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    overflow: hidden;
}

.lead-info {
    padding: 42px 36px;
    background: linear-gradient(135deg, #EAF1F6 0%, #F7FAFC 100%);
    height: 100%;
}

.lead-info h3 {
    font-size: 22px;
    line-height: 1.4;
    color: var(--text-1);
    font-weight: 700;
    margin-bottom: 14px;
}

.lead-info > p {
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.lead-points li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-1);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.lead-points i {
    color: var(--primary);
    margin-top: 4px;
}

.lead-form {
    padding: 40px 36px;
    background: #fff;
    height: 100%;
}

.lead-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-2);
    margin: 14px 0 6px;
}

.lead-form input,
.lead-form select {
    width: 100%;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    padding: 0 15px;
    font-size: 14px;
    color: var(--text-1);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.lead-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16'%3E%3Cpath fill='%238494A3' d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
}

.lead-form input:focus,
.lead-form select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(44, 95, 138, 0.12);
    outline: none;
}

.lead-form .btn {
    width: 100%;
    margin-top: 22px;
    justify-content: center;
    border: 0;
}

.form-note {
    font-size: 12px;
    color: var(--text-3);
    text-align: center;
    margin-top: 16px;
}

.form-success {
    display: none;
    margin-top: 14px;
    background: #EBF6F3;
    color: var(--success);
    border: 1px solid #CBE3DE;
    border-radius: 12px;
    padding: 10px 15px;
    font-size: 14px;
    line-height: 1.6;
}

.form-success.show {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 64px 0 26px;
}

.site-footer a {
    color: var(--footer-text);
    transition: color 0.2s;
}

.site-footer a:hover {
    color: #fff;
}

.footer-grid {
    row-gap: 36px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-brand:hover {
    color: #fff;
}

.footer-brand .brand-badge {
    width: 32px;
    height: 32px;
}

.footer-blurb {
    max-width: 80%;
    color: #B9CBD9;
    font-size: 14px;
    line-height: 1.8;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 16px;
    font-weight: 650;
}

.footer-col a {
    display: block;
    padding: 4px 0;
    font-size: 14px;
}

.footer-col .footer-note {
    font-size: 14px;
    line-height: 1.8;
    color: #B9CBD9;
    margin-bottom: 14px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin-top: 48px;
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: #E6EBF2;
}

@media (max-width: 1100px) {
    .header-search,
    .header-actions .select-shell {
        display: none;
    }

    .mobile-search {
        display: block;
    }
}

@media (max-width: 1024px) {
    .section-pad {
        padding: 64px 0;
    }

    .stats-section,
    .matrix-section,
    .compare-section,
    .faq-section,
    .lead-section {
        padding: 64px 0;
    }

    .hero-section {
        padding: 72px 0 60px;
    }

    .hero-title {
        font-size: 38px;
    }

    .hero-poster img {
        height: 420px;
    }

    .hero-section::before {
        opacity: 0.05;
    }

    .lead-info {
        padding: 30px 26px;
    }

    .lead-form {
        padding: 28px 26px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .header-inner {
        gap: 8px;
    }

    .brand-name {
        font-size: 18px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-sub {
        font-size: 15px;
    }

    .section-head h2,
    .compare-intro h2 {
        font-size: 28px;
    }

    .compare-intro {
        padding-right: 0;
        margin-bottom: 30px;
    }

    .compare-row {
        grid-template-columns: 1fr;
    }

    .compare-cell.negative-cell {
        border-right: 0;
        border-bottom: 1px dashed var(--border);
    }

    .faq-list .accordion-title {
        font-size: 15px;
    }

    .lead-form .btn {
        padding: 12px 18px;
    }
}

@media (max-width: 520px) {
    .brand-tag {
        display: none;
    }

    .site-header {
        height: 64px;
    }

    .header-inner {
        height: 64px;
    }

    .mobile-nav {
        top: 64px;
    }

    .hero-section {
        padding: 54px 0 48px;
    }

    .hero-title {
        font-size: 30px;
    }

    .hero-poster img {
        height: 360px;
    }

    .caption-pill {
        padding: 10px 12px;
        font-size: 12px;
    }

    .brand-strip {
        gap: 16px;
    }

    .brand-strip-item strong {
        font-size: 16px;
    }

    .matrix-block {
        padding: 24px 20px;
    }

    .lead-info,
    .lead-form {
        padding: 24px 20px;
    }

    .footer-blurb {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

/* roulang page: category1 */
:root {
            --primary: #2C5F8A;
            --primary-light: #4A7FB5;
            --primary-hover: #234E70;
            --accent: #C7903A;
            --success: #3E8E7E;
            --danger: #C0675F;
            --body-bg: #F5F7FA;
            --white: #FFFFFF;
            --shallow-blue: #EAF1F6;
            --border: #DCE4EC;
            --text-1: #1F2A35;
            --text-2: #4E5D6C;
            --text-3: #8494A3;
            --footer-bg: #1F3445;
            --footer-text: #D4E0E9;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-pill: 999px;
            --shadow-sm: 0 1px 2px rgba(44, 95, 138, 0.06), 0 4px 12px rgba(44, 95, 138, 0.06);
            --shadow-md: 0 8px 24px rgba(44, 95, 138, 0.12);
            --shadow-lg: 0 16px 48px rgba(31, 52, 69, 0.14);
            --transition: 0.25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
            background: var(--body-bg);
            color: var(--text-1);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--primary-light);
        }

        button,
        input,
        select {
            font-family: inherit;
        }

        input:focus,
        button:focus,
        a:focus,
        select:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(44, 95, 138, 0.12);
        }

        .grid-container {
            max-width: 1200px;
        }

        .site-header {
            position: sticky;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: 72px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            height: 72px;
            gap: 18px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--text-1);
        }

        .brand:hover {
            color: var(--text-1);
        }

        .brand-badge {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--primary), var(--primary-light));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            box-shadow: 0 6px 12px rgba(44, 95, 138, 0.16);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .brand-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: #FDF6E7;
            border: 1px solid #EAD9BB;
            border-radius: var(--radius-pill);
            padding: 3px 9px;
            white-space: nowrap;
        }

        .header-search {
            flex: 1;
            max-width: 480px;
            min-width: 200px;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
            background: #F2F5F8;
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(44, 95, 138, 0.12);
            background: #fff;
        }

        .search-box>i {
            position: absolute;
            left: 18px;
            color: var(--text-3);
            font-size: 14px;
        }

        .search-box input {
            width: 100%;
            height: 44px;
            border: 0;
            background: transparent;
            padding: 0 88px 0 46px;
            font-size: 14px;
            color: var(--text-1);
        }

        .search-box input::placeholder {
            color: var(--text-3);
        }

        .search-submit {
            position: absolute;
            right: 6px;
            height: 32px;
            border: 0;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 0 15px;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: background 0.2s;
        }

        .search-submit:hover {
            background: var(--primary-hover);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .select-shell select {
            height: 40px;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: var(--radius-pill);
            padding: 0 32px 0 15px;
            font-size: 13px;
            color: var(--text-2);
            cursor: pointer;
            transition: border-color 0.2s;
        }

        .select-shell select:hover {
            border-color: var(--primary-light);
        }

        .nav-toggle {
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 12px;
            color: var(--primary);
            font-size: 17px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.2s, border-color 0.2s;
        }

        .nav-toggle:hover {
            background: var(--shallow-blue);
            border-color: var(--primary-light);
        }

        .mobile-nav {
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 20px 40px rgba(31, 52, 69, 0.12);
            display: none;
            max-height: calc(100vh - 72px);
            overflow-y: auto;
        }

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

        .mobile-nav-inner {
            padding: 18px 24px 26px;
        }

        .mobile-search {
            display: none;
            margin-bottom: 16px;
        }

        .mobile-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 6px 26px;
        }

        .mobile-links .nav-link {
            display: block;
            padding: 9px 4px;
            color: var(--text-1);
            font-size: 15px;
            font-weight: 500;
            border-bottom: 1px solid #EFF3F7;
        }

        .mobile-links .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .site-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 28px;
            border-radius: var(--radius-pill);
            border: 1px solid transparent;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
            white-space: nowrap;
        }

        .site-button:hover {
            transform: translateY(-1px);
        }

        .site-button-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(44, 95, 138, 0.16);
        }

        .site-button-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: 0 10px 22px rgba(44, 95, 138, 0.2);
        }

        .site-button-outline {
            background: #fff;
            border-color: var(--border);
            color: var(--primary);
        }

        .site-button-outline:hover {
            border-color: var(--primary);
            background: var(--shallow-blue);
            color: var(--primary);
        }

        .category-main {
            position: relative;
            padding: 42px 0 100px;
        }

        .category-main::before {
            content: "";
            position: absolute;
            inset: 0 0 auto 0;
            height: 300px;
            background: linear-gradient(180deg, var(--shallow-blue) 0%, rgba(245, 247, 250, 0) 100%);
            pointer-events: none;
        }

        .category-main::after {
            content: "";
            position: absolute;
            inset: 0 0 auto 0;
            background: url('/assets/images/backpic/back-3.jpg') center 0 / cover no-repeat;
            opacity: 0.045;
            height: 420px;
            pointer-events: none;
        }

        .doc-grid {
            position: relative;
            z-index: 2;
        }

        .doc-sidebar-col {
            order: 1;
        }

        .doc-sidebar {
            background: #F8FAFD;
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 26px 20px 22px;
            position: sticky;
            top: 96px;
            max-height: calc(100vh - 120px);
            overflow-y: auto;
        }

        .sidebar-trigger {
            display: none;
        }

        .doc-sidebar-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .doc-sidebar-title i {
            width: 28px;
            height: 28px;
            background: rgba(44, 95, 138, 0.1);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
        }

        .doc-side-nav {
            list-style: none;
            margin: 0 0 22px;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .doc-side-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-2);
            padding: 10px 12px;
            border-radius: 12px;
            border: 1px solid transparent;
            transition: background 0.2s, border-color 0.2s, color 0.2s, box-shadow 0.2s;
            font-weight: 500;
        }

        .doc-side-nav a i {
            width: 18px;
            color: var(--text-3);
            font-size: 13px;
            text-align: center;
            transition: color 0.2s;
        }

        .doc-side-nav a:hover {
            background: #EDF3F8;
            color: var(--primary);
            border-color: rgba(44, 95, 138, 0.08);
        }

        .doc-side-nav a.active {
            background: rgba(44, 95, 138, 0.09);
            color: #0B2E4F;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--primary);
            border-color: rgba(44, 95, 138, 0.08);
        }

        .doc-side-nav a.active i {
            color: var(--primary);
        }

        .side-count {
            margin-left: auto;
            background: #E8EEF4;
            font-size: 11px;
            color: var(--text-3);
            border-radius: var(--radius-pill);
            padding: 1px 8px;
            font-weight: 600;
        }

        .doc-side-version {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 8px 13px;
            font-size: 12px;
            color: var(--text-3);
            white-space: nowrap;
            box-shadow: var(--shadow-sm);
        }

        .doc-side-version i {
            color: var(--accent);
        }

        .doc-main-col {
            order: 2;
        }

        .crumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-3);
            margin: 4px 0 18px;
        }

        .crumb a {
            color: var(--primary);
            font-weight: 500;
        }

        .crumb i {
            font-size: 11px;
            color: #AEC0CE;
        }

        .crumb span {
            color: var(--text-2);
            font-weight: 500;
        }

        .category-headline h1 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-1);
            margin: 0 0 12px;
        }

        .category-headline h1 .hl {
            color: var(--primary);
            position: relative;
            white-space: nowrap;
        }

        .category-lead {
            max-width: 820px;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-2);
            margin: 0 0 26px;
        }

        .doc-rule {
            height: 1px;
            background: linear-gradient(90deg, var(--border) 0%, rgba(220, 228, 236, 0.2) 100%);
            margin: 0 0 26px;
            border: 0;
        }

        .doc-tools {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .doc-tools-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .doc-tools-label {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            color: var(--text-3);
            font-weight: 500;
        }

        .doc-tools-label i {
            color: var(--primary-light);
        }

        .tool-tag,
        .sort-link {
            height: 30px;
            padding: 0 12px;
            border: 1px solid var(--border);
            background: #F8FAFD;
            color: var(--text-2);
            font-size: 12px;
            border-radius: var(--radius-pill);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            transition: all 0.2s ease;
        }

        .tool-tag:hover,
        .sort-link:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: #F1F5F9;
        }

        .tool-tag.active,
        .sort-link.active {
            border-color: var(--primary);
            background: rgba(44, 95, 138, 0.1);
            color: var(--primary);
            font-weight: 600;
        }

        .article-row {
            margin-bottom: 30px;
        }

        .article-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(44, 95, 138, 0.4);
        }

        .article-media {
            position: relative;
            overflow: hidden;
            height: 240px;
            border-bottom: 1px solid var(--border);
        }

        .article-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .article-card:hover .article-media img {
            transform: scale(1.03);
        }

        .media-index {
            position: absolute;
            left: 18px;
            bottom: 14px;
            z-index: 2;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(31, 52, 69, 0.82);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.02em;
            backdrop-filter: blur(4px);
        }

        .score-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            z-index: 2;
            background: linear-gradient(135deg, var(--accent), #B2783B);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            box-shadow: 0 6px 14px rgba(199, 144, 58, 0.3);
            letter-spacing: 0.02em;
        }

        .hd-badge {
            position: absolute;
            top: 18px;
            left: 16px;
            z-index: 2;
            background: rgba(31, 52, 69, 0.78);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 5px 11px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(6px);
        }

        .article-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-kicker {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--primary-light);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .article-kicker::before {
            content: "";
            width: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .article-title {
            margin: 0 0 8px;
        }

        .article-title a {
            display: inline;
            color: var(--text-1);
            font-size: 18px;
            line-height: 1.5;
            font-weight: 650;
            letter-spacing: -0.008em;
            transition: color 0.2s;
        }

        .article-title a:hover {
            color: var(--primary);
        }

        .article-title .hl {
            color: var(--primary);
            font-weight: 700;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            color: var(--text-3);
            font-size: 12px;
            margin: 4px 0 12px;
        }

        .article-meta i {
            font-size: 11px;
            color: #ABB9C6;
            margin-right: 4px;
        }

        .article-summary {
            color: var(--text-2);
            font-size: 14px;
            line-height: 1.75;
            margin: 0 0 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-tags {
            margin-top: auto;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            border-top: 1px dashed #E5EBF0;
            padding-top: 14px;
        }

        .mini-tag {
            background: #F1F5F9;
            border: 1px solid #E2E9EF;
            color: var(--text-2);
            font-size: 12px;
            border-radius: var(--radius-pill);
            padding: 4px 11px;
            transition: background 0.2s, border-color 0.2s, color 0.2s;
        }

        .mini-tag:hover {
            background: var(--shallow-blue);
            color: var(--primary);
            border-color: rgba(44, 95, 138, 0.25);
        }

        .mini-tag .tag-num {
            color: var(--text-3);
            font-size: 11px;
            margin-left: 3px;
        }

        .load-more {
            text-align: center;
            margin: 12px 0 56px;
        }

        .load-more-button {
            border: 1px solid var(--border);
            background: #fff;
            color: var(--primary);
            min-width: 260px;
            height: 46px;
            border-radius: var(--radius-pill);
            padding: 0 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: var(--shadow-sm);
        }

        .load-more-button:hover {
            border-color: var(--primary);
            background: var(--shallow-blue);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .load-more-button small {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-3);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .load-more-button small::before {
            content: "·";
            color: #B7C4D1;
            font-weight: 400;
        }

        .guide-cta {
            background: linear-gradient(135deg, #EAF1F6 0%, #F7FAFC 60%, #FDF9EF 100%);
            border: 1px solid rgba(44, 95, 138, 0.14);
            border-radius: 20px;
            padding: 38px 42px;
            display: flex;
            align-items: center;
            gap: 30px;
            justify-content: space-between;
            flex-wrap: wrap;
            box-shadow: var(--shadow-sm);
        }

        .guide-cta h2 {
            margin: 0 0 8px;
            font-size: 26px;
            font-weight: 700;
            color: var(--text-1);
        }

        .guide-cta h2 .hl {
            color: var(--primary);
        }

        .guide-cta p {
            margin: 0;
            color: var(--text-2);
            font-size: 14px;
            max-width: 600px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding-top: 60px;
            margin-top: 20px;
        }

        .footer-grid {
            row-gap: 40px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-brand:hover {
            color: #fff;
        }

        .footer-blurb {
            max-width: 80%;
            color: rgba(212, 224, 233, 0.84);
            font-size: 14px;
            line-height: 1.85;
            margin: 0;
        }

        .footer-col {
            padding-bottom: 10px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 20px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(212, 224, 233, 0.78);
            font-size: 14px;
            padding: 6px 0;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-note {
            color: rgba(212, 224, 233, 0.72);
            font-size: 13px;
            line-height: 1.8;
            margin: 0 0 12px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 46px;
            padding: 20px 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: #E6EBF2;
            font-size: 13px;
            opacity: 0.9;
        }

        @media screen and (max-width: 1023.98px) {
            .doc-sidebar-col {
                order: 3;
                display: none;
                margin-bottom: 24px;
            }

            .doc-sidebar-col.open {
                display: block;
            }

            .doc-sidebar {
                position: static;
                margin-top: 18px;
            }

            .sidebar-trigger {
                display: inline-flex;
                height: 40px;
                padding: 0 16px;
                font-size: 13px;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 10px;
                align-items: center;
                gap: 8px;
                margin-bottom: 16px;
                color: var(--primary);
                cursor: pointer;
                transition: border-color 0.2s, background 0.2s;
                font-weight: 600;
            }

            .sidebar-trigger:hover {
                background: var(--shallow-blue);
                border-color: var(--primary-light);
            }

            .doc-main-col {
                order: 2;
            }

            .guide-cta {
                padding: 32px 26px;
            }
        }

        @media screen and (max-width: 768px) {
            .site-header .header-search {
                display: none;
            }

            .category-main {
                padding: 22px 0 68px;
            }

            .category-headline h1 {
                font-size: 26px;
            }

            .category-lead {
                font-size: 15px;
            }

            .doc-tools {
                padding: 12px 14px;
            }

            .article-media {
                height: 220px;
            }

            .article-body {
                padding: 20px;
            }

            .guide-cta {
                flex-direction: column;
                align-items: flex-start;
            }

            .guide-cta .cta-actions {
                width: 100%;
            }

            .cta-actions .site-button {
                flex: 1;
            }

            .mobile-search {
                display: block;
            }

            .mobile-links .nav-link {
                display: none;
            }

            .mobile-links .nav-link:nth-child(-n + 2) {
                display: block;
            }

            .mobile-links .nav-link[href="#faq"],
            .mobile-links .nav-link[href="#compare"],
            .mobile-links .nav-link[href="#matrix"],
            .mobile-links .nav-link[href="#signup"],
            .mobile-links .nav-link[href="#stats"] {
                display: block;
            }
        }

        @media screen and (max-width: 520px) {
            .header-actions .select-shell {
                display: none;
            }

            .brand-name {
                font-size: 18px;
            }

            .brand-tag {
                display: none;
            }

            .category-headline h1 {
                font-size: 22px;
                line-height: 1.35;
            }

            .doc-tools-group {
                gap: 6px;
            }

            .tool-tag,
            .sort-link {
                padding: 0 9px;
                font-size: 11px;
                height: 28px;
            }

            .score-badge {
                top: 12px;
                right: 12px;
                font-size: 12px;
                padding: 4px 10px;
            }

            .hd-badge {
                top: 15px;
                left: 12px;
                font-size: 10px;
                padding: 4px 9px;
            }

            .article-meta {
                flex-wrap: wrap;
                gap: 6px 12px;
            }

            .site-footer {
                padding-top: 44px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }