/* roulang page: index */
:root {
    --gold: #B78A3B;
    --gold-light: #D8B36A;
    --gold-soft: #F1E7D5;
    --ink: #101418;
    --ink-deep: #0C0E11;
    --paper: #F6F3EE;
    --card: #FFFFFF;
    --line: #EAE4DA;
    --text: #2A2D32;
    --text-sub: #6B6F76;
    --radius: 12px;
    --radius-sm: 4px;
    --shadow: 0 20px 40px rgba(16,20,24,.06);
    --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
    --sans: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--sans);
    background: var(--paper);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body.locked {
    overflow: hidden;
}

h1, h2, h3 {
    font-family: var(--serif);
    font-weight: 600;
}

h1 {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.65rem, 2.4vw, 2.2rem);
    line-height: 1.35;
}

h3 {
    font-size: 1.125rem;
    line-height: 1.5;
}

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

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

button, input, select, textarea {
    font-family: var(--sans);
}

button {
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

::placeholder {
    color: #9AA0A6;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--gold);
    color: #fff;
    z-index: 500;
    padding: 10px 16px;
    border-radius: 0 0 8px 0;
}

.skip-link:focus {
    left: 0;
}

.wrap {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    letter-spacing: .2em;
    color: var(--gold);
    font-weight: 500;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.kicker::before {
    content: "";
    width: 18px;
    height: 1px;
    background: var(--gold);
}

.text-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--ink);
    font-weight: 500;
    font-size: 14px;
    border-bottom: 1px solid transparent;
    transition: color .2s, border-color .2s, gap .2s;
}

.text-arrow:hover {
    color: var(--gold);
    border-color: var(--gold);
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 24px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: .04em;
    border: 1px solid transparent;
    transition: background .2s, color .2s, border-color .2s, transform .2s;
}

.btn-lg {
    padding: 16px 30px;
    font-size: 15px;
}

.btn-dark {
    background: var(--ink);
    color: #fff;
}

.btn-dark:hover {
    background: #252b31;
    transform: translateY(-1px);
}

.btn-gold {
    background: var(--gold);
    color: #fff;
}

.btn-gold:hover {
    background: #c79c4e;
    transform: translateY(-1px);
}

.btn-outline {
    border-color: #D8D2C6;
    background: transparent;
    color: var(--ink);
}

.btn-outline:hover {
    border-color: var(--ink);
    background: var(--ink);
    color: #fff;
}

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

.page-section.narrow {
    padding: 64px 0;
}

.section-head {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 44px;
}

.section-head__sub {
    max-width: 640px;
    color: var(--text-sub);
    font-size: 15px;
    line-height: 1.8;
}

/* 左侧导航 */
.side-nav {
    position: fixed;
    z-index: 300;
    top: 0;
    left: 0;
    bottom: 0;
    width: 240px;
    background: var(--card);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px 22px 22px;
}

.side-nav::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.side-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.side-brand__main {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--ink);
    line-height: 1.2;
}

.side-brand__main em {
    font-style: normal;
    color: var(--gold);
}

.side-brand__note {
    font-size: 12px;
    color: var(--text-sub);
    letter-spacing: .18em;
}

.side-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    letter-spacing: .16em;
    color: #A7A29A;
    margin: 44px 0 12px;
}

.side-label span {
    width: 18px;
    height: 1px;
    background: var(--gold);
}

.side-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.side-link {
    display: block;
    position: relative;
    padding: 0 16px;
    line-height: 46px;
    font-size: 15px;
    color: var(--ink);
    border-radius: 8px;
    font-weight: 500;
    transition: background .2s, color .2s;
}

.side-link:hover {
    background: #F1EDE6;
    color: var(--ink);
}

.side-link.is-active {
    background: #F9F5EE;
    color: var(--gold);
    font-weight: 600;
}

.side-link.is-active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    bottom: 9px;
    width: 3px;
    border-radius: 3px;
    background: var(--gold);
}

.side-nav__cta {
    margin-top: 32px;
}

.side-nav__meta {
    margin-top: 20px;
    font-size: 11px;
    letter-spacing: .04em;
    color: #AAA49B;
    line-height: 1.7;
}

/* 移动端顶部导航 */
.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 350;
    background: var(--ink-deep);
    border-top: 3px solid var(--gold);
}

.mobile-header__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 20px;
}

.mobile-brand {
    font-family: var(--serif);
    font-size: 20px;
    color: #fff;
    font-weight: 700;
    letter-spacing: .03em;
}

.mobile-brand em {
    font-style: normal;
    color: var(--gold-light);
}

.mobile-hamburger {
    width: 44px;
    height: 44px;
    position: relative;
}

.mobile-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    margin: 5px auto;
    transition: transform .25s, opacity .2s;
    border-radius: 2px;
}

.mobile-hamburger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-hamburger.is-open span:nth-child(2) {
    opacity: 0;
}

.mobile-hamburger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    background: #0B0D10;
}

.mobile-menu.is-open {
    max-height: 360px;
}

.mobile-menu a {
    display: block;
    color: #E9E4DD;
    font-size: 15px;
    padding: 15px 22px;
    border-top: 1px solid rgba(255,255,255,.06);
}

.mobile-menu a.is-active {
    color: var(--gold-light);
}

.mobile-menu a.mobile-menu__cta {
    color: #fff;
    background: var(--gold);
    margin: 14px 20px;
    padding: 13px 16px;
    text-align: center;
    border-radius: 4px;
    border: none;
}

/* 页面主体 */
.page-shell {
    margin-left: 240px;
}

/* Hero */
.hero {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: flex-end;
    color: #fff;
    background:
        linear-gradient(100deg, rgba(16,20,24,.95) 0%, rgba(16,20,24,.82) 34%, rgba(16,20,24,.42) 76%, rgba(16,20,24,.28) 100%),
        url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    padding: 0 0 48px;
    overflow: hidden;
}

.hero__content {
    position: relative;
    z-index: 2;
    padding-top: 150px;
}

.hero__title {
    max-width: 860px;
    font-size: clamp(2rem, 3.8vw, 3.55rem);
    color: #fff;
    line-height: 1.22;
}

.hero__title span {
    color: var(--gold-light);
}

.hero__lead {
    margin-top: 24px;
    max-width: 620px;
    font-size: 16px;
    line-height: 1.85;
    color: rgba(255,255,255,.84);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-top: 36px;
}

.hero__stats {
    position: relative;
    z-index: 2;
    margin-top: 72px;
    border-top: 1px solid rgba(255,255,255,.18);
    padding-top: 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.hero-stat strong {
    display: block;
    font-family: var(--serif);
    font-size: 32px;
    line-height: 1.2;
    color: #fff;
    font-weight: 600;
}

.hero-stat strong i {
    font-style: normal;
    font-size: 14px;
    color: var(--gold-light);
    margin-left: 2px;
}

.hero-stat span {
    font-size: 13px;
    color: rgba(255,255,255,.68);
    margin-top: 6px;
    display: block;
}

/* 快速入口 */
.quick-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.quick-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 32px 28px 28px;
    transition: box-shadow .2s, border-color .2s, transform .2s;
}

.quick-card:hover {
    box-shadow: var(--shadow);
    border-color: rgba(183,138,59,.45);
    transform: translateY(-2px);
}

.quick-card__index {
    position: absolute;
    right: 24px;
    top: 22px;
    font-family: var(--serif);
    font-size: 14px;
    color: var(--gold);
    letter-spacing: .04em;
}

.quick-card__icon {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: var(--gold-soft);
    color: var(--gold);
    font-family: var(--serif);
    font-size: 20px;
    margin-bottom: 28px;
}

.quick-card h3 {
    font-size: 19px;
    color: var(--ink);
    margin-bottom: 10px;
}

.quick-card p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-sub);
    margin-bottom: 22px;
    flex: 1;
}

/* 问题与解法 */
.solve-grid {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 28px;
    align-items: stretch;
}

.solve-pains,
.solve-answers {
    border-radius: var(--radius);
}

.solve-pains {
    background: var(--card);
    border: 1px solid var(--line);
    padding: 28px;
}

.solve-pains h3 {
    font-size: 17px;
    color: var(--ink);
    margin-bottom: 8px;
}

.solve-pains__note {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 16px;
}

.pain-item {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding: 16px 0;
    border-top: 1px solid var(--line);
}

.pain-item__num {
    font-family: var(--serif);
    color: var(--gold);
    font-size: 15px;
    line-height: 1.6;
}

.pain-item p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--text);
}

.solve-answers {
    background: linear-gradient(135deg, #11161c 0%, #0A0D10 100%);
    color: #fff;
    padding: 34px 32px;
    overflow: hidden;
    position: relative;
}

.solve-answers h3 {
    color: var(--gold-light);
    font-size: 18px;
    margin-bottom: 28px;
}

.solve-list {
    list-style: none;
    display: grid;
    gap: 18px;
}

.solve-list li {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 10px;
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255,255,255,.86);
}

.solve-list li::before {
    content: attr(data-index);
    color: var(--gold);
    font-family: var(--serif);
    font-size: 14px;
}

.solve-figure {
    margin-top: 34px;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 16 / 8;
    border: 1px solid rgba(255,255,255,.08);
}

.solve-figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 最新内容 */
.latest-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 52px;
    align-items: start;
}

.feed-list {
    border-top: 1px solid var(--line);
}

.feed-row {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr) 118px 42px;
    gap: 18px;
    align-items: center;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
    transition: background .2s;
}

.feed-cat {
    justify-self: start;
    font-size: 13px;
    color: var(--gold);
    background: var(--gold-soft);
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: .03em;
    white-space: nowrap;
}

.feed-main h3 {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 4px;
}

.feed-main h3 a {
    color: var(--ink);
    transition: color .2s;
}

.feed-main h3 a:hover {
    color: var(--gold);
}

.feed-desc {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.7;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.feed-time {
    font-size: 13px;
    color: #A7A29A;
    white-space: nowrap;
}

.feed-arrow {
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--ink);
    font-size: 18px;
    transition: background .2s, color .2s, border-color .2s;
}

.feed-arrow:hover {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}

.aside-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.aside-card img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.aside-card__body {
    padding: 24px 24px 28px;
}

.aside-card__body .kicker {
    margin-bottom: 10px;
}

.aside-card__body h3 {
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.55;
}

.aside-card__body > p {
    font-size: 13px;
    line-height: 1.75;
    color: var(--text-sub);
    margin-bottom: 20px;
}

.aside-links {
    display: grid;
    gap: 14px;
}

.aside-links .text-arrow:hover {
    gap: 10px;
}

.state-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 70px 20px;
    border: 1px dashed #DDD5C9;
    border-radius: 12px;
    background: rgba(255,255,255,.55);
    text-align: center;
    color: var(--text-sub);
}

.state-empty__dot {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--gold-soft);
    color: var(--gold);
    font-size: 20px;
}

/* 数据长条 */
.data-band {
    position: relative;
    background:
        linear-gradient(rgba(16,20,24,.93), rgba(16,20,24,.94)),
        url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
    color: #fff;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}

.data-item {
    border-left: 1px solid rgba(255,255,255,.1);
    padding-left: 24px;
}

.data-item strong {
    display: block;
    font-family: var(--serif);
    font-size: 38px;
    color: #fff;
    line-height: 1.2;
    letter-spacing: .01em;
}

.data-item strong i {
    font-style: normal;
    color: var(--gold-light);
    font-size: 16px;
    margin-left: 2px;
}

.data-item span {
    margin-top: 10px;
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,.65);
    line-height: 1.6;
}

/* CTA */
.cta-band {
    background:
        linear-gradient(115deg, rgba(246,243,238,.96) 0%, rgba(255,255,255,.94) 58%, rgba(246,243,238,.9) 100%),
        url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
    border-top: 1px solid var(--line);
}

.cta-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
    gap: 48px;
    align-items: center;
}

.cta-actions {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.cta-privacy {
    margin-top: 18px;
    font-size: 12px;
    color: #9A958D;
    line-height: 1.7;
    max-width: 420px;
}

.cta-tip {
    border: 1px solid var(--line);
    background: rgba(255,255,255,.8);
    border-radius: var(--radius);
    padding: 28px;
}

.cta-tip h3 {
    font-size: 17px;
    margin-bottom: 12px;
}

.cta-tip p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
}

.faq-intro {
    position: sticky;
    top: 40px;
}

.faq-intro p {
    margin-top: 16px;
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.8;
}

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

.faq-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color .2s;
}

.faq-item.is-open {
    border-color: rgba(183,138,59,.5);
}

.faq-q {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 16px;
    text-align: left;
    padding: 18px 20px;
}

.faq-q__title {
    font-family: var(--serif);
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.5;
}

.faq-icon {
    flex: 0 0 22px;
    width: 22px;
    height: 22px;
    position: relative;
    border: 1.5px solid var(--gold);
    border-radius: 50%;
}

.faq-icon::before,
.faq-icon::after {
    content: "";
    position: absolute;
    background: var(--gold);
    border-radius: 2px;
}

.faq-icon::before {
    left: 5px;
    right: 5px;
    top: 10px;
    height: 1.5px;
}

.faq-icon::after {
    top: 5px;
    bottom: 5px;
    left: 10px;
    width: 1.5px;
    transition: opacity .2s, transform .2s;
}

.faq-item.is-open .faq-icon::after {
    opacity: 0;
    transform: scaleY(0);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    padding: 0 20px 0 58px;
}

.faq-item.is-open .faq-a {
    max-height: 260px;
    padding-bottom: 20px;
}

.faq-a p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-sub);
}

/* Footer */
.site-footer {
    background: var(--ink-deep);
    color: rgba(255,255,255,.72);
    padding-top: 60px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    gap: 24px;
}

.footer-brand {
    font-family: var(--serif);
    font-size: 28px;
    color: #fff;
    font-weight: 700;
}

.footer-brand em {
    font-style: normal;
    color: var(--gold-light);
}

.footer-top p {
    font-size: 14px;
    color: rgba(255,255,255,.6);
}

.footer-middle {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding: 40px 0;
}

.footer-middle h4 {
    font-size: 14px;
    color: var(--gold-light);
    font-weight: 500;
    letter-spacing: .08em;
    margin-bottom: 16px;
}

.footer-middle ul {
    list-style: none;
    display: grid;
    gap: 8px;
}

.footer-middle a {
    font-size: 14px;
    color: rgba(255,255,255,.66);
    transition: color .2s, padding-left .2s;
}

.footer-middle a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-text {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,.48);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: 12px;
    color: rgba(255,255,255,.42);
}

/* 弹层 */
.modal {
    position: fixed;
    inset: 0;
    z-index: 600;
    display: grid;
    place-items: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s;
}

.modal.is-open {
    opacity: 1;
    pointer-events: auto;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(16,20,24,.55);
}

.modal__panel {
    position: relative;
    width: min(92vw, 480px);
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,.25);
    transform: translateY(18px);
    transition: transform .3s ease;
}

.modal.is-open .modal__panel {
    transform: translateY(0);
}

.modal__top {
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.modal__body {
    padding: 30px 30px 28px;
}

.modal__close {
    position: absolute;
    right: 18px;
    top: 18px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--line);
    color: var(--text-sub);
    font-size: 20px;
    transition: background .2s, color .2s;
}

.modal__close:hover {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}

.modal__body h3 {
    font-size: 21px;
    margin: 2px 0 14px;
}

.modal__body > p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 26px;
}

.lead-form {
    display: grid;
    gap: 16px;
}

.lead-form label {
    display: grid;
    gap: 6px;
    font-size: 13px;
    color: var(--ink);
    font-weight: 500;
}

.lead-form input,
.lead-form select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #FAF8F5;
    padding: 12px 14px;
    font-size: 14px;
    color: var(--text);
    outline: none;
    transition: border-color .2s, background .2s;
}

.lead-form input:focus,
.lead-form select:focus {
    border-color: var(--gold);
    background: #fff;
}

.modal__privacy {
    margin-top: 18px;
    font-size: 11px;
    line-height: 1.7;
    color: #AAA49B;
}

/* toast */
.toast {
    position: fixed;
    left: 50%;
    bottom: 34px;
    transform: translate(-50%, 20px);
    z-index: 700;
    background: var(--ink);
    color: #fff;
    padding: 13px 24px;
    border-radius: 40px;
    font-size: 14px;
    box-shadow: 0 14px 32px rgba(0,0,0,.2);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s;
}

.toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* js 渐入 */
.js .reveal {
    opacity: 0;
    transform: translateY(18px);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: none;
    transition: opacity .6s ease, transform .6s ease;
}

@media (max-width: 1024px) {
    .side-nav,
    .side-nav::before {
        display: none;
    }

    .mobile-header {
        display: block;
    }

    .page-shell {
        margin-left: 0;
    }

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

    .latest-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .faq-intro {
        position: static;
    }

    .cta-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .page-section {
        padding: 72px 0;
    }
}

@media (max-width: 768px) {
    .wrap {
        padding: 0 28px;
    }

    .page-section {
        padding: 56px 0;
    }

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

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

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

    .hero__stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px;
    }

    .data-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .data-item {
        padding-left: 16px;
    }

    .dropdown-column {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .wrap {
        padding: 0 20px;
    }

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

    .feed-row {
        grid-template-columns: 1fr 42px;
        gap: 10px;
    }

    .feed-cat,
    .feed-time {
        grid-column: 1;
    }

    .feed-time {
        font-size: 12px;
    }

    .feed-main {
        grid-column: 1;
    }

    .feed-arrow {
        grid-column: 2;
        grid-row: 1 / span 4;
        align-self: center;
    }

    .hero {
        min-height: 520px;
        padding-bottom: 32px;
    }

    .hero__content {
        padding-top: 90px;
    }

    .hero__stats {
        margin-top: 44px;
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }

    .hero-stat strong {
        font-size: 28px;
    }

    .data-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .data-item {
        border-left: none;
        border-top: 1px solid rgba(255,255,255,.1);
        padding-top: 18px;
        padding-left: 0;
    }

    .footer-middle {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

    .mobile-menu a {
        font-size: 14px;
    }

    .btn-lg {
        padding: 14px 22px;
        font-size: 14px;
    }

    .faq-q {
        align-items: flex-start;
    }

    .faq-a {
        padding: 0 20px 0 56px;
    }
}

/* roulang page: article */
:root{
  --gold:#B78A3B;
  --gold-deep:#9C7631;
  --goldlight:#D8B36A;
  --ink:#101418;
  --ink-2:#1A1F26;
  --paper:#F6F3EE;
  --white:#FFFFFF;
  --line:#EAE4DA;
  --text:#2E3238;
  --muted:#77716A;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-body:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  --radius-card:12px;
  --radius-btn:4px;
  --shadow-lg:0 20px 40px rgba(16,20,24,.06);
  --section-pad:96px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.75;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .25s ease, background .25s ease, border-color .25s ease, opacity .25s ease, transform .25s ease;}
button{font-family:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,p{margin:0;}
input,select,textarea{font-family:inherit;}

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

/* ===== layout ===== */
.page-content{
  margin-left:240px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--paper);
}
.site-main{flex:1;}

/* ===== mobile header ===== */
.mobile-header{
  display:none;
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(246,243,238,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.mobile-header__row{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
}
.mobile-brand{
  font-family:var(--font-display);
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  display:inline-flex;
  align-items:baseline;
}
.mobile-brand em{
  font-style:normal;
  color:var(--gold);
  font-size:13px;
  letter-spacing:.14em;
  margin-left:4px;
  font-weight:600;
}
.mobile-hamburger{
  width:40px;
  height:40px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:6px;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
}
.mobile-hamburger span{
  width:16px;
  height:1.5px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .3s ease, opacity .3s ease;
}
.mobile-hamburger.is-open span:nth-child(1){transform:translateY(3.5px) rotate(45deg);}
.mobile-hamburger.is-open span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg);}
.mobile-hamburger.is-open span:nth-child(3){opacity:0;}

/* ===== desktop side nav ===== */
.side-nav{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:240px;
  display:flex;
  flex-direction:column;
  background:var(--ink);
  color:rgba(255,255,255,.75);
  padding:26px 0 22px;
  z-index:99;
  transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.side-nav::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:3px;
  background:linear-gradient(90deg,var(--goldlight),var(--gold));
  opacity:.9;
}
.side-nav-logo{
  display:block;
  padding:0 26px 28px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.logo-main{
  display:block;
  font-family:var(--font-display);
  font-size:26px;
  color:var(--white);
  letter-spacing:.02em;
  line-height:1.2;
}
.logo-main::after{
  content:"官";
  display:inline-flex;
  align-items:flex-start;
  margin-left:2px;
  font-size:12px;
  color:var(--goldlight);
  font-weight:400;
  vertical-align:top;
  transform:translate(2px,-4px);
}
.logo-sub{
  display:block;
  margin-top:6px;
  font-size:11px;
  color:rgba(255,255,255,.38);
  letter-spacing:.08em;
  font-family:Verdana,Geneva,sans-serif;
  word-break:break-all;
}
.side-nav-links{
  flex:1;
  padding:20px 10px;
}
.side-nav-links li{
  margin-bottom:4px;
}
.side-nav-link, .side-nav-span{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  color:rgba(255,255,255,.7);
  font-size:14px;
  letter-spacing:.08em;
  border-radius:6px;
  line-height:1;
  gap:10px;
}
.side-nav-link .nav-icon{
  color:transparent;
  width:2px;
  height:2px;
  display:inline-block;
  background:var(--gold);
  border-radius:50%;
  transition:all .3s;
}
.side-nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,.07);
}
.side-nav-link.active{
  color:#fff;
  background:rgba(183,138,59,.12);
}
.side-nav-link.active::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:2px;
  height:20px;
  background:var(--goldlight);
  border-radius:0 3px 3px 0;
}
.side-nav-link.active .nav-icon{
  color:transparent;
  background:var(--goldlight);
  width:5px;
  height:5px;
}
.side-nav-footer{
  padding:18px 24px 0;
  border-top:1px solid rgba(255,255,255,.08);
  color:rgba(255,255,255,.32);
  font-size:11px;
  letter-spacing:.04em;
  font-family:Verdana,Geneva,sans-serif;
}

/* ===== mobile menu ===== */
.mobile-menu{
  position:fixed;
  top:64px;
  left:0;
  right:0;
  z-index:95;
  display:block;
  background:var(--ink);
  padding:18px 24px 32px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:.25s ease;
  box-shadow:0 30px 50px rgba(16,20,24,.22);
}
.mobile-menu.is-open{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mobile-menu a{
  display:block;
  padding:13px 4px;
  color:rgba(255,255,255,.72);
  border-bottom:1px solid rgba(255,255,255,.06);
  font-size:16px;
}
.mobile-menu a.is-active{
  color:var(--goldlight);
}
.mobile-menu a.mobile-menu__cta{
  margin-top:18px;
  text-align:center;
  border:1px solid var(--gold);
  border-radius:4px;
  color:var(--goldlight);
  padding:11px;
}
.mobile-menu a:last-child{border-bottom:0;}

/* ===== container ===== */
.container{
  max-width:1280px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ===== post hero ===== */
.post-hero{
  background:
    linear-gradient(100deg, rgba(11,14,17,.86) 0%, rgba(16,20,24,.66) 42%, rgba(16,20,24,.26) 86%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  padding:60px 0 52px;
  position:relative;
  border-bottom:1px solid rgba(183,138,59,.3);
}
.post-hero__inner{
  min-height:300px;
}
.breadcrumb{
  font-size:13px;
  margin-bottom:40px;
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  color:rgba(255,255,255,.52);
}
.breadcrumb a{
  color:rgba(255,255,255,.72);
  transition:.2s;
}
.breadcrumb a:hover{color:var(--goldlight);}
.breadcrumb .dc{color:rgba(255,255,255,.3);}
.breadcrumb .current{color:rgba(255,255,255,.9);}

.article-kicker{
  display:inline-flex;
  align-items:center;
  margin-bottom:18px;
  color:var(--goldlight);
  font-size:13px;
  letter-spacing:.22em;
  border:1px solid rgba(216,179,106,.35);
  padding:5px 12px;
  border-radius:200px;
  background:rgba(183,138,59,.08);
}
.post-hero__title{
  font-family:var(--font-display);
  font-size:clamp(30px, 4vw, 50px);
  line-height:1.3;
  font-weight:600;
  color:#fff;
  letter-spacing:.02em;
  max-width:980px;
  word-break:break-word;
}
.post-hero__meta{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  font-size:13px;
  color:rgba(255,255,255,.58);
}
.post-hero__meta span{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.post-hero__meta span + span::before{
  content:"·";
  margin-right:4px;
  color:var(--goldlight);
}
.hero-gold-line{
  width:52px;
  height:2px;
  background:var(--goldlight);
  position:absolute;
  bottom:0;
  left:24px;
  transform:translateY(0);
}

/* ===== article page wrap ===== */
.article-page__page{
  padding:70px 0 88px;
}
.article-shell{
  max-width:860px;
  margin:0 auto;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:64px clamp(22px, 5vw, 68px);
}
.article-cat-bar{
  margin-bottom:34px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  align-items:center;
}
.article-cat-bar__link{
  display:inline-flex;
  align-items:center;
  gap:4px;
  color:var(--muted);
  font-size:13px;
}
.article-cat-bar__link:hover{color:var(--gold-deep);}
.article-cat-bar__slug{
  color:var(--gold);
  font-size:13px;
  letter-spacing:.1em;
}

/* ===== cms content style ===== */
.article-body{
  font-size:16px;
  color:#343338;
  line-height:1.9;
  word-break:break-word;
}
.article-body > * + *{
  margin-top:20px;
}
.article-body h2{
  font-size:28px;
  line-height:1.45;
  color:var(--ink);
  font-family:var(--font-display);
  font-weight:600;
  margin-top:44px;
  margin-bottom:22px;
  padding-left:16px;
  position:relative;
}
.article-body h2::before{
  content:"";
  width:4px;
  height:70%;
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  border-radius:3px;
  background:var(--gold);
}
.article-body h3{
  font-size:21px;
  color:var(--ink);
  font-family:var(--font-display);
  line-height:1.5;
  margin-top:34px;
}
.article-body p{
  margin-bottom:18px;
}
.article-body a{
  color:var(--gold-deep);
  border-bottom:1px solid rgba(183,138,59,.35);
}
.article-body a:hover{
  color:var(--ink);
  border-color:var(--ink);
}
.article-body strong{
  color:var(--ink);
  font-weight:600;
}
.article-body ul,
.article-body ol{
  margin:22px 0;
  padding-left:10px;
}
.article-body li{
  position:relative;
  padding-left:22px;
  margin-bottom:9px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--gold);
}
.article-body ol{
  counter-reset:list;
}
.article-body ol li{
  counter-increment:list;
}
.article-body ol li::before{
  content:counter(list) ".";
  position:absolute;
  left:0;
  top:0;
  color:var(--gold-deep);
  font-weight:600;
  font-size:14px;
}
.article-body blockquote{
  margin:28px 0;
  padding:25px 30px;
  border-left:3px solid var(--gold);
  background:#FAF7F2;
  border-radius:0 12px 12px 0;
  font-size:15px;
  color:#5E5A56;
}
.article-body img{
  border-radius:10px;
  margin:28px 0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:28px 0;
  font-size:14px;
}
.article-body th{
  background:var(--paper);
  text-align:left;
  padding:10px 12px;
  border:1px solid var(--line);
}
.article-body td{
  padding:10px 12px;
  border:1px solid var(--line);
  color:#4b4a4e;
}
.article-body pre{
  background:#171C21;
  color:#D8B36A;
  border-radius:10px;
  padding:22px;
  overflow:auto;
}

/* ===== empty state ===== */
.empty-result{
  text-align:center;
  padding:44px 0 12px;
}
.empty-result__icon{
  width:60px;
  height:60px;
  margin:0 auto 20px;
  border:1px solid var(--gold);
  color:var(--gold);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:26px;
  line-height:1;
}
.empty-result p{
  font-size:16px;
  color:var(--muted);
  margin-bottom:26px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  padding:14px 30px;
  font-size:14px;
  line-height:1;
  border:1px solid transparent;
  transition:.25s ease;
  text-decoration:none;
}
.btn-ink{
  background:var(--ink);
  color:#fff;
}
.btn-ink:hover{
  background:var(--gold);
  color:#fff;
}
.btn-outline{
  background:#fff;
  border-color:#D8D2C6;
  color:var(--ink);
}
.btn-outline:hover{
  border-color:var(--ink);
  background:var(--ink);
  color:#fff;
}
.btn-ghost{
  border-color:rgba(216,179,106,.48);
  background:rgba(183,138,59,.08);
  color:var(--goldlight);
}
.btn-ghost:hover{
  background:var(--gold);
  border-color:var(--gold);
  color:#0c0f12;
}

/* ===== end note ===== */
.article-end-note{
  margin-top:44px;
  padding:22px 0 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  line-height:1.8;
}

/* ===== related section ===== */
.post-related{
  padding:var(--section-pad) 0 66px;
  background:var(--paper);
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:34px;
  flex-wrap:wrap;
}
.section-head__eyebrow{
  font-size:13px;
  letter-spacing:.24em;
  color:var(--gold-deep);
  margin-bottom:10px;
  display:block;
  text-transform:uppercase;
}
.section-title{
  font-family:var(--font-display);
  font-size:31px;
  color:var(--ink);
  line-height:1.35;
  font-weight:600;
}
.section-title em{
  font-style:normal;
  color:var(--gold);
}
.section-sub{
  color:var(--muted);
  max-width:450px;
  font-size:14px;
  line-height:1.8;
}

.rel-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.rel-card{
  display:block;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease;
}
.rel-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.rel-card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#e8dfd2;
}
.rel-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.rel-card:hover .rel-card__media img{
  transform:scale(1.02);
}
.rel-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 45%, rgba(16,20,24,.2));
}
.rel-card__body{
  padding:24px 26px 27px;
}
.rel-card__tag{
  display:inline-block;
  color:var(--gold-deep);
  font-size:12px;
  letter-spacing:.18em;
  margin-bottom:12px;
  border-bottom:1px solid rgba(183,138,59,.3);
  padding-bottom:3px;
}
.rel-card__title{
  font-family:var(--font-display);
  font-size:22px;
  color:var(--ink);
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
}
.rel-card__desc{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}
.rel-card__arrow{
  margin-top:18px;
  display:inline-flex;
  gap:6px;
  align-items:center;
  color:var(--gold-deep);
  font-size:14px;
}
.rel-card__arrow::after{
  content:"→";
  transition:transform .25s;
}
.rel-card:hover .rel-card__arrow::after{
  transform:translateX(5px);
}

/* ===== contact CTA ===== */
.contact-strip{
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:56px 0 78px;
}
.contact-box{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:36px clamp(24px,5vw,58px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.contact-box::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  height:100%;
  width:4px;
  background:linear-gradient(180deg, var(--goldlight), var(--gold));
}
.contact-box__title{
  font-family:var(--font-display);
  font-size:22px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.contact-box__text{
  max-width:600px;
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}
.contact-box__btns{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* ===== lead modal ===== */
.lead-modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
  font-family:var(--font-body);
}
.lead-modal.is-open{
  display:flex;
}
.lead-modal__overlay{
  position:absolute;
  inset:0;
  background:rgba(16,20,24,.55);
  backdrop-filter:blur(2px);
}
.lead-modal__card{
  position:relative;
  background:#fff;
  border-radius:16px;
  max-width:480px;
  width:100%;
  padding:34px 34px 24px;
  overflow:hidden;
  max-height:90vh;
  overflow-y:auto;
}
.lead-modal__card::before{
  content:"";
  display:block;
  height:4px;
  background:linear-gradient(90deg,var(--goldlight),var(--gold));
  position:absolute;
  left:0;
  right:0;
  top:0;
}
.lead-modal__title{
  font-family:var(--font-display);
  font-size:27px;
  color:var(--ink);
  font-weight:600;
  margin-bottom:7px;
}
.lead-modal__desc{
  font-size:13px;
  color:var(--muted);
  margin-bottom:24px;
}
.lead-modal__close{
  position:absolute;
  right:16px;
  top:16px;
  width:30px;
  height:30px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:50%;
  font-size:18px;
  line-height:1;
  color:var(--muted);
}
.lead-modal__close:hover{
  border-color:var(--gold);
  color:var(--gold-deep);
}
.lead-form .form-grid{
  display:grid;
  gap:14px;
}
.lead-form label{
  font-size:13px;
  color:var(--ink);
  margin-bottom:6px;
  display:block;
  letter-spacing:.02em;
}
.lead-form input,
.lead-form select{
  width:100%;
  height:44px;
  border:1px solid #D8D2C6;
  border-radius:6px;
  background:#fff;
  padding:0 12px;
  font-size:14px;
  color:var(--ink);
  transition:.2s;
}
.lead-form input:focus,
.lead-form select:focus{
  outline:none;
  border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(183,138,59,.12);
}
.lead-form .btn-full{
  width:100%;
  margin-top:20px;
  height:48px;
}
.modal-privacy{
  margin-top:16px;
  font-size:12px;
  color:#999;
  text-align:center;
  line-height:1.7;
}
.form-success{
  display:none;
  text-align:center;
  padding:18px 0;
  color:var(--gold-deep);
  font-size:14px;
}

/* ===== footer ===== */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.68);
  padding:58px 0 30px;
}
.site-footer .wrap{
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.footer-top{
  display:flex;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{
  font-family:var(--font-display);
  color:#fff;
  font-size:28px;
  font-weight:600;
}
.footer-brand em{
  font-style:normal;
  color:var(--gold);
  font-size:14px;
  font-weight:400;
  margin-left:6px;
  letter-spacing:.1em;
}
.footer-top p{
  color:rgba(255,255,255,.55);
  max-width:400px;
  font-size:14px;
  line-height:1.9;
  text-align:right;
}
.footer-top p.style-body{
  margin-top:0;
}
.footer-middle{
  display:grid;
  grid-template-columns:1.2fr 0.9fr 1.6fr;
  gap:40px;
  padding:40px 0 42px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-footer h4{
  color:#fff;
  font-weight:600;
  margin-bottom:18px;
  font-size:15px;
  letter-spacing:.06em;
}
.site-footer ul li{
  margin-bottom:11px;
  font-size:14px;
}
.footer-text{
  font-size:14px;
  color:rgba(255,255,255,.6);
  font-weight:400;
  line-height:1.9;
  letter-spacing:.01em;
}
.site-footer h4:not(  ){letter-spacing:.12em;}
.site-footer a{
  color:rgba(255,255,255,.6);
  transition:.2s;
}
.site-footer a:hover{
  color:var(--goldlight);
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding-top:26px;
  color:rgba(255,255,255,.36);
  font-size:12px;
  font-family:Verdana,Geneva,sans-serif;
}
.footer-bottom span:first-child{
  color:rgba(255,255,255,.55);
}
/* small footer-legal for technical line */
.footer-legal{
  color:rgba(255,255,255,.3);
}

/* ===== media ===== */
@media (max-width:1024px){
  .page-content{margin-left:0;}
  .side-nav{display:none;}
  .mobile-header{display:block;}
  .article-shell{
    padding:44px clamp(20px, 4.5vw, 54px);
  }
  .contact-strip{padding-top:50px;}
}

@media (max-width:768px){
  :root{
    --section-pad:68px;
  }
  .post-hero{
    padding:44px 0 40px;
  }
  .post-hero__inner{
    min-height:0;
  }
  .breadcrumb{
    margin-bottom:28px;
  }
  .article-page__page{
    padding:34px 0 56px;
  }
  .article-shell{
    border-radius:8px;
    padding:32px 20px;
  }
  .article-body{
    font-size:15px;
  }
  .article-body h2{
    font-size:23px;
    margin-top:32px;
  }
  .article-body h3{
    font-size:19px;
  }
  .article-body blockquote{
    padding:18px 16px;
  }
  .rel-grid{
    grid-template-columns:1fr;
  }
  .section-title{
    font-size:26px;
  }
  .footer-middle{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-top p{
    text-align:left;
  }
  .footer-bottom{
    flex-direction:column;
  }
  .contact-box{
    padding:28px 20px;
  }
  .contact-box__btns .btn{
    width:100%;
  }
}

@media (max-width:520px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  .mobile-header__row{
    padding:0 16px;
  }
  .mobile-menu{
    padding-left:16px;
    padding-right:16px;
  }
  .post-hero__meta{
    gap:10px;
  }
  .post-hero__meta span + span::before{
    margin-right:2px;
  }
  .section-title{
    font-size:23px;
  }
  .section-head{
    margin-bottom:24px;
  }
  .rel-card__body{
    padding:21px 18px 24px;
  }
  .footer-bottom span{
    width:100%;
    line-height:1.6;
  }
}

/* ===== fade reveal ===== */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible{
  opacity:1;
  transform:none;
}

/* ===== article internal markers ===== */
.article-standard ul, .article-standard ol{
  padding-left:18px;
}
/* Focus */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
}

/* roulang page: category1 */
:root {
            --gold: #B78A3B;
            --gold-light: #D8B36A;
            --ink: #101418;
            --bg: #F6F3EE;
            --card: #FFFFFF;
            --line: #EAE4DA;
            --line-deep: #D8D2C6;
            --muted: #5F6368;
            --soft: #9AA0A6;
            --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            --sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --radius-card: 12px;
            --radius-btn: 4px;
            --shadow-hover: 0 20px 40px rgba(16, 20, 24, .06);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding-left: 260px;
            background: var(--bg);
            color: var(--ink);
            font-family: var(--sans);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body.no-scroll {
            overflow: hidden;
        }

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

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

        button {
            border: none;
            background: none;
            padding: 0;
            cursor: pointer;
            font: inherit;
        }

        input,
        select {
            font: inherit;
        }

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

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

        h1,
        h2,
        h3 {
            font-family: var(--serif);
        }

        .wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: clamp(20px, 4vw, 44px);
            padding-right: clamp(20px, 4vw, 44px);
        }

        .site-main {
            min-height: 60vh;
            padding-bottom: 24px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            letter-spacing: .22em;
            font-weight: 600;
            text-transform: uppercase;
            color: var(--gold);
            margin-bottom: 18px;
        }

        .eyebrow::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--gold);
        }

        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            letter-spacing: .01em;
            margin-bottom: 14px;
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-desc {
            max-width: 780px;
            color: var(--muted);
            font-size: 16px;
            line-height: 1.9;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.2;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .btn-dark {
            background: var(--ink);
            color: #fff;
            border-color: var(--ink);
        }

        .btn-dark:hover {
            background: var(--gold);
            color: #fff;
            border-color: var(--gold);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--ink);
            border-color: var(--line-deep);
        }

        .btn-outline:hover {
            background: var(--ink);
            color: #fff;
            border-color: var(--ink);
        }

        .btn-light {
            background: #fff;
            color: var(--ink);
            border-color: #fff;
        }

        .btn-light:hover {
            background: var(--gold-light);
            color: var(--ink);
            border-color: var(--gold-light);
        }

        .text-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: .02em;
            transition: color .2s ease, gap .2s ease;
        }

        .text-btn:hover {
            color: var(--ink);
            gap: 12px;
        }

        .text-btn .arrow {
            font-size: 18px;
            line-height: 1;
        }

        [data-open-lead] {
            cursor: pointer;
        }

        .mobile-header {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 100;
            width: 260px;
        }

        .mobile-header__row {
            display: none;
        }

        .side-nav {
            display: flex;
            flex-direction: column;
            width: 100%;
            height: 100%;
            background: var(--ink);
            color: #EDEAE3;
            padding: 28px 20px 22px;
            border-right: 1px solid rgba(255, 255, 255, .04);
        }

        .side-nav::before {
            content: "";
            display: block;
            width: 40px;
            height: 3px;
            background: var(--gold);
            margin-bottom: 20px;
        }

        .side-nav-logo {
            display: block;
            padding: 18px 8px 16px;
            border: 1px solid rgba(183, 138, 59, .32);
            border-radius: 4px;
            text-align: center;
            transition: border-color .25s ease, background .25s ease;
        }

        .side-nav-logo:hover {
            border-color: var(--gold-light);
            background: rgba(255, 255, 255, .03);
        }

        .logo-main {
            display: block;
            font-family: var(--serif);
            font-size: 21px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .05em;
            line-height: 1.3;
        }

        .logo-main em {
            font-style: normal;
            color: var(--gold-light);
        }

        .logo-sub {
            display: block;
            margin-top: 6px;
            font-size: 11px;
            letter-spacing: .14em;
            color: rgba(255, 255, 255, .35);
        }

        .side-nav-links {
            margin: 40px 0 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .side-nav-link {
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
            height: 46px;
            padding: 0 14px;
            border-radius: 4px;
            font-size: 15px;
            color: #D8D6D1;
            transition: color .2s ease, background .2s ease;
        }

        .side-nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .05);
        }

        .side-nav-link.active {
            color: #fff;
            background: rgba(183, 138, 59, .12);
            font-weight: 600;
        }

        .side-nav-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 13px;
            bottom: 13px;
            width: 2px;
            background: var(--gold);
            border-radius: 0 4px 4px 0;
        }

        .nav-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 12px;
            height: 12px;
            border: 1px solid rgba(216, 179, 106, .8);
            border-radius: 50%;
            font-size: 8px;
            color: var(--gold-light);
            line-height: 1;
        }

        .side-nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80%;
            margin: 42px auto 0;
            padding: 15px 18px;
            border-radius: var(--radius-btn);
            background: var(--gold);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: background .25s ease, transform .25s ease;
        }

        .side-nav-cta:hover {
            background: var(--gold-light);
            color: var(--ink);
            transform: translateY(-1px);
        }

        .side-nav-footer {
            margin-top: auto;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            font-size: 11px;
            text-align: center;
            color: rgba(255, 255, 255, .32);
            letter-spacing: .06em;
        }

        .mobile-menu {
            display: none;
        }

        .hero-section {
            position: relative;
            padding: 96px 0 48px;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
            align-items: center;
            gap: 60px;
        }

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

        .hero-tag {
            display: inline-block;
            padding: 6px 14px;
            border: 1px solid rgba(183, 138, 59, .42);
            border-radius: 999px;
            font-size: 12px;
            color: #8A6A30;
            letter-spacing: .08em;
            background: rgba(255, 255, 255, .5);
            margin-bottom: 22px;
        }

        .hero-title {
            font-size: clamp(34px, 5vw, 56px);
            line-height: 1.18;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: .01em;
            margin-bottom: 20px;
        }

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

        .hero-lead {
            font-size: 16px;
            line-height: 1.9;
            color: var(--muted);
            max-width: 600px;
            margin-bottom: 28px;
        }

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

        .hero-note {
            font-size: 13px;
            color: var(--soft);
            margin-bottom: 0;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 380px;
            box-shadow: 0 0 0 1px rgba(255, 255, 255, .22);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(16, 20, 24, 0) 40%, rgba(16, 20, 24, .74) 100%);
            pointer-events: none;
        }

        .hero-visual-caption {
            position: absolute;
            left: 22px;
            right: 22px;
            bottom: 20px;
            z-index: 2;
            color: #fff;
            font-size: 13px;
            line-height: 1.7;
            letter-spacing: .02em;
            border-left: 2px solid var(--gold-light);
            padding-left: 14px;
            margin: 0;
        }

        .hero-stat-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            margin-top: 56px;
            padding: 28px 0;
            border-top: 1px solid var(--line-deep);
            border-bottom: 1px solid var(--line-deep);
        }

        .hero-stat {
            padding: 4px 28px;
            border-left: 1px solid var(--line-deep);
        }

        .hero-stat:first-child {
            padding-left: 0;
            border-left: none;
        }

        .hero-stat .num {
            display: block;
            font-family: var(--serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.25;
        }

        .hero-stat .num small {
            font-size: 16px;
            color: var(--gold);
            font-weight: 600;
            margin-left: 4px;
        }

        .hero-stat .desc {
            font-size: 13px;
            color: var(--muted);
            margin: 4px 0 0;
            line-height: 1.6;
        }

        .section-block {
            padding: 84px 0;
        }

        .section-block.soft-bg {
            background: #F1EDE6;
        }

        .section-block.white-bg {
            background: #fff;
        }

        .part-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 42px;
        }

        .part-title-row .section-desc {
            margin: 0;
        }

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

        .process-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 32px 30px;
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
        }

        .process-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: transparent;
            transform: translateY(-3px);
        }

        .process-index {
            display: inline-flex;
            width: 34px;
            height: 28px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--gold);
            border-radius: 3px;
            color: var(--gold);
            font-family: var(--serif);
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 24px;
        }

        .process-card h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: .02em;
            color: var(--ink);
        }

        .process-list li {
            position: relative;
            padding: 12px 0 12px 26px;
            border-top: 1px solid var(--line);
            font-size: 14px;
            line-height: 1.75;
            color: var(--muted);
        }

        .process-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 22px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
        }

        .process-card strong {
            display: block;
            color: var(--ink);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .insight-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .insight-item {
            position: relative;
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 28px 28px 26px;
            transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
        }

        .insight-item:hover {
            background: var(--card);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .insight-num {
            font-family: var(--serif);
            font-size: 13px;
            color: var(--gold);
            letter-spacing: .12em;
            display: block;
            margin-bottom: 20px;
        }

        .insight-item h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .insight-item p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.8;
        }

        .recent-section {
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .entry-card {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 24px;
            padding: 34px 0;
            border-bottom: 1px solid var(--line);
            align-items: center;
            transition: padding-left .3s ease;
        }

        .entry-card:last-child {
            border-bottom: none;
        }

        .entry-card:hover {
            padding-left: 8px;
        }

        .entry-top {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(183, 138, 59, .45);
            color: #8A6A30;
            font-size: 12px;
            letter-spacing: .02em;
            background: rgba(255, 255, 255, .7);
        }

        .entry-time {
            font-size: 12px;
            color: var(--soft);
        }

        .entry-card h3 {
            font-size: 20px;
            line-height: 1.45;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .entry-card h3 a:hover {
            color: var(--gold);
        }

        .entry-card p {
            font-size: 14px;
            color: var(--muted);
            max-width: 860px;
            margin-bottom: 0;
            line-height: 1.75;
        }

        .entry-link {
            min-width: 120px;
            text-align: right;
        }

        .audience-wrap {
            display: grid;
            grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
            gap: 60px;
            align-items: center;
        }

        .audience-copy .section-title {
            margin-bottom: 18px;
        }

        .audience-copy .section-desc {
            margin-bottom: 0;
        }

        .audience-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .audience-item {
            display: grid;
            grid-template-columns: 36px minmax(0, 1fr);
            gap: 12px;
            padding: 20px 0;
            border-bottom: 1px solid var(--line);
            align-items: start;
        }

        .audience-item:last-child {
            border-bottom: none;
        }

        .audience-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border: 1px solid var(--gold);
            color: var(--gold);
            border-radius: 50%;
            font-size: 15px;
            background: #fff;
        }

        .audience-item h3 {
            margin: 2px 0 4px;
            font-size: 17px;
            font-weight: 700;
        }

        .audience-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0;
        }

        .banner-strip {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            padding: 60px 50px;
            color: #fff;
            background-image: linear-gradient(90deg, rgba(16, 20, 24, .94), rgba(16, 20, 24, .56)), url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center;
        }

        .banner-title {
            font-family: var(--serif);
            font-size: clamp(24px, 3.6vw, 34px);
            margin-bottom: 12px;
            font-weight: 700;
            color: #fff;
        }

        .banner-text {
            color: rgba(255, 255, 255, .78);
            margin-bottom: 30px;
            max-width: 620px;
            line-height: 1.85;
            font-size: 15px;
        }

        .faq-section {
            background: var(--bg);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
            gap: 56px;
            align-items: start;
        }

        .faq-side {
            position: sticky;
            top: 40px;
        }

        .faq-side p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 0 24px;
            margin-bottom: 14px;
            transition: box-shadow .25s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            padding: 20px 0;
            text-align: left;
            color: var(--ink);
        }

        .faq-q h3 {
            font-size: 16px;
            line-height: 1.6;
            font-weight: 700;
            margin: 0;
            color: var(--ink);
            flex: 1;
        }

        .faq-sign {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            border: 1px solid var(--gold);
            color: var(--gold);
            font-size: 16px;
            flex: none;
            transition: transform .3s ease, background .3s ease, color .3s ease;
        }

        .faq-item.open .faq-sign {
            transform: rotate(45deg);
            background: var(--gold);
            color: #fff;
        }

        .faq-a {
            display: block;
            max-height: 0;
            overflow: hidden;
            transition: max-height .38s ease, padding .3s ease;
            color: var(--muted);
        }

        .faq-item.open .faq-a {
            max-height: 320px;
        }

        .faq-a-inner {
            padding: 0 0 22px 34px;
            font-size: 14px;
            line-height: 1.85;
        }

        .cta-section {
            padding: 40px 0 96px;
        }

        .cta-panel {
            position: relative;
            border-radius: var(--radius-card);
            padding: 56px 56px;
            background: var(--ink);
            color: #fff;
            overflow: hidden;
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) auto;
            gap: 40px;
            align-items: center;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--gold), transparent 60%);
        }

        .cta-panel .banner-overline {
            color: var(--gold-light);
            font-size: 12px;
            letter-spacing: .2em;
            margin-bottom: 12px;
            display: block;
        }

        .cta-panel h2 {
            font-size: clamp(26px, 3.4vw, 36px);
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.3;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, .72);
            margin: 0;
            font-size: 15px;
            line-height: 1.85;
            max-width: 640px;
        }

        .cta-panel .btn {
            min-width: 180px;
        }

        .privacy-note {
            font-size: 12px;
            color: var(--soft) !important;
            margin-top: 14px !important;
        }

        .site-footer {
            background: var(--ink);
            color: #9AA0A6;
            padding: 70px 0 28px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            padding-bottom: 38px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand {
            font-family: var(--serif);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
        }

        .footer-brand em {
            font-style: normal;
            color: var(--gold-light);
        }

        .footer-top p {
            margin: 0;
            color: #868C92;
            max-width: 420px;
            font-size: 14px;
        }

        .footer-middle {
            display: grid;
            grid-template-columns: 1fr 1fr 1.6fr;
            gap: 48px;
            padding: 48px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-middle h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .05em;
            margin-bottom: 20px;
        }

        .footer-middle ul li {
            margin-bottom: 10px;
        }

        .footer-middle ul a {
            font-size: 14px;
            color: #9AA0A6;
            transition: color .2s ease;
        }

        .footer-middle ul a:hover {
            color: var(--gold-light);
        }

        .footer-text {
            font-size: 13px;
            line-height: 1.8;
            color: #7E858B;
            margin: 0;
            max-width: 420px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            padding-top: 28px;
            font-size: 13px;
            color: #7E858B;
            flex-wrap: wrap;
        }

        .site-footer .wrap {
            max-width: 1220px;
        }

        .lead-modal {
            position: fixed;
            inset: 0;
            z-index: 300;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .lead-modal.is-open {
            display: flex;
        }

        .lead-modal-mask {
            position: absolute;
            inset: 0;
            background: rgba(16, 20, 24, .56);
            animation: fadeIn .25s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        .lead-modal-panel {
            position: relative;
            width: 100%;
            max-width: 480px;
            background: #fff;
            border-radius: 16px;
            padding: 36px 36px 28px;
            overflow: hidden;
            animation: slideUp .35s ease;
        }

        @keyframes slideUp {
            from {
                transform: translateY(26px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .lead-modal-panel::before {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            height: 3px;
            background: var(--gold);
        }

        .lead-close {
            position: absolute;
            top: 18px;
            right: 18px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-size: 18px;
            line-height: 1;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background .2s ease, color .2s ease;
        }

        .lead-close:hover {
            background: var(--bg);
            color: var(--ink);
        }

        .lead-brand {
            font-family: var(--serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .lead-brand em {
            font-style: normal;
            color: var(--gold);
        }

        .lead-modal-panel h3 {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .lead-desc {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 22px;
            line-height: 1.7;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            border: 1px solid var(--line-deep);
            background: var(--bg);
            border-radius: 6px;
            padding: 12px 14px;
            font-size: 14px;
            color: var(--ink);
            outline: none;
            transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--gold);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(183, 138, 59, .12);
        }

        .form-group input::placeholder {
            color: #A8AAAD;
        }

        .form-submit {
            width: 100%;
            margin-top: 18px;
        }

        .form-success {
            display: none;
            padding: 10px 14px;
            border-radius: 6px;
            font-size: 14px;
            color: #164E2E;
            background: #E5F4EC;
            margin-top: 16px;
        }

        .form-success.show {
            display: block;
        }

        .privacy-line {
            text-align: center;
            font-size: 11px;
            color: var(--soft);
            line-height: 1.7;
            margin: 16px 0 0;
        }

        @media (max-width: 1100px) {
            .footer-middle {
                grid-template-columns: 1fr 1fr;
            }

            .footer-middle div:last-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 1024px) {
            body {
                padding-left: 0;
            }

            .mobile-header {
                position: fixed;
                inset: 0 0 auto;
                width: 100%;
                height: auto;
                background: var(--ink);
                box-shadow: 0 1px 18px rgba(16, 20, 24, .18);
            }

            .mobile-header__row {
                display: flex;
                align-items: center;
                justify-content: space-between;
                height: 64px;
                padding: 0 20px;
            }

            .mobile-brand {
                font-family: var(--serif);
                font-size: 19px;
                font-weight: 700;
                color: #fff;
            }

            .mobile-brand em {
                font-style: normal;
                color: var(--gold-light);
            }

            .mobile-hamburger {
                width: 38px;
                height: 38px;
                display: inline-flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 5px;
                border-radius: 4px;
            }

            .mobile-hamburger span {
                display: block;
                width: 18px;
                height: 1px;
                background: #fff;
                transition: transform .3s ease, opacity .3s ease;
            }

            .mobile-hamburger.open span:nth-child(1) {
                transform: translateY(6px) rotate(45deg);
            }

            .mobile-hamburger.open span:nth-child(2) {
                opacity: 0;
            }

            .mobile-hamburger.open span:nth-child(3) {
                transform: translateY(-6px) rotate(-45deg);
            }

            .side-nav {
                display: none;
            }

            .mobile-menu {
                display: block;
                max-height: 0;
                overflow: hidden;
                background: var(--ink);
                transition: max-height .35s ease;
                padding: 0 20px;
            }

            .mobile-menu.open {
                max-height: 420px;
                padding-bottom: 20px;
                border-top: 1px solid rgba(255, 255, 255, .08);
            }

            .mobile-menu a {
                display: block;
                padding: 14px 2px;
                color: #E4E1DA;
                font-size: 15px;
                border-bottom: 1px solid rgba(255, 255, 255, .06);
                line-height: 1.5;
            }

            .mobile-menu a.is-active {
                color: var(--gold-light);
                border-left: 2px solid var(--gold);
                padding-left: 12px;
            }

            .mobile-menu a.mobile-menu__cta {
                color: var(--ink);
                background: var(--gold);
                display: inline-flex;
                margin-top: 14px;
                padding: 12px 20px;
                border: none;
                border-radius: var(--radius-btn);
            }

            .site-main {
                padding-top: 64px;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-visual {
                min-height: 320px;
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .faq-side {
                position: static;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 48px 0 32px;
            }

            .hero-stat-row {
                grid-template-columns: 1fr;
                gap: 0;
                margin-top: 32px;
            }

            .hero-stat {
                border-left: none;
                padding: 14px 0;
                border-bottom: 1px solid var(--line);
            }

            .hero-stat:last-child {
                border-bottom: none;
            }

            .section-block {
                padding: 56px 0;
            }

            .part-title-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 28px;
            }

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

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

            .audience-wrap {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .entry-card {
                grid-template-columns: minmax(0, 1fr);
            }

            .entry-link {
                text-align: left;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                padding: 38px 26px;
            }

            .cta-panel .btn {
                width: 100%;
            }

            .banner-strip {
                padding: 36px 26px;
            }

            .site-footer {
                padding: 48px 0 22px;
            }

            .footer-top {
                flex-direction: column;
                gap: 20px;
            }

            .footer-middle {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 32px 0;
            }

            .footer-middle div:last-child {
                grid-column: auto;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .wrap {
                padding-left: 20px;
                padding-right: 20px;
            }

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

            .hero-actions .btn {
                width: 100%;
            }

            .btn {
                padding: 14px 20px;
            }

            .hero-title {
                font-size: 32px;
                line-height: 1.3;
            }

            .hero-visual {
                min-height: 240px;
            }

            .process-card {
                padding: 24px 20px;
            }

            .insight-item {
                padding: 22px 18px;
            }

            .lead-modal-panel {
                padding: 30px 20px 24px;
            }

            .faq-item {
                padding: 0 16px;
            }
        }

/* roulang page: category2 */
:root {
    --gold: #B78A3B;
    --gold-deep: #8E6B2E;
    --gold-light: #D8B36A;
    --ink: #101418;
    --paper: #F6F3EE;
    --card: #FFFFFF;
    --line: #EAE4DA;
    --muted: #6E7378;
    --light-hover: #F1EDE6;
    --shadow-hover: 0 20px 40px rgba(16, 20, 24, .06);
    --radius-card: 12px;
    --radius-btn: 4px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

em {
    font-style: normal;
}

button {
    font-family: inherit;
}

h1, h2, h3, h4 {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    line-height: 1.3;
    margin: 0;
}

p {
    margin: 0;
}

:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 3px;
}

.wrap {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 56px;
}

.mobile-header {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 80;
    background: #FCFBF8;
    border-bottom: 1px solid var(--line);
}

.mobile-header__row {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.mobile-brand {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: 21px;
    font-weight: 800;
    letter-spacing: .02em;
    color: var(--ink);
}

.mobile-brand em {
    color: var(--gold);
}

.mobile-hamburger {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: transparent;
    border-radius: 10px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}

.mobile-hamburger span {
    display: block;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: transform .25s ease, opacity .25s ease;
}

body.menu-open .mobile-hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

body.menu-open .mobile-hamburger span:nth-child(2) {
    opacity: 0;
}

body.menu-open .mobile-hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 79;
    background: var(--paper);
    padding: 28px 20px;
    display: none;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
}

body.menu-open .mobile-menu {
    display: flex;
}

.mobile-menu a {
    display: block;
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
}

.mobile-menu a.is-active {
    color: var(--gold-deep);
    background: #F1EDE6;
}

.mobile-menu a.mobile-menu__cta {
    margin-top: 10px;
    background: var(--ink);
    color: #F5EBD2;
    border: 0;
    text-align: center;
}

.side-nav {
    display: none;
}

.site-footer .wrap {
    padding: 0 56px;
}

.main-wrap {
    min-height: 100vh;
    padding-top: 64px;
}

.main-content {
    min-height: 70vh;
}

.site-footer {
    background: var(--ink);
    color: #9AA0A6;
    padding: 0;
    margin-top: 0;
}

.site-footer .wrap {
    padding-top: 58px;
    padding-bottom: 24px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 32px;
    align-items: flex-start;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer-brand {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: 25px;
    color: #fff;
    font-weight: 800;
    letter-spacing: .03em;
}

.footer-brand em {
    color: var(--gold-light);
}

.footer-top p {
    max-width: 220px;
    text-align: right;
    color: #C6C9CC;
    line-height: 1.7;
    font-size: 15px;
}

.footer-middle {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    padding: 44px 0 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-middle h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: .08em;
}

.footer-middle ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-middle li a {
    font-size: 14px;
    color: #9AA0A6;
    transition: color .2s ease;
}

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

.footer-text {
    font-size: 13px;
    line-height: 1.8;
    color: #8D949B;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-top: 24px;
    font-size: 12px;
    color: #7D848C;
}

.footer-bottom a {
    color: #9AA0A6;
}

/* ===== 通用按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 14px;
    padding: 14px 27px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .25s ease;
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--ink);
    color: #F1E6CE;
}

.btn-primary:hover {
    background: #242B32;
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(16, 20, 24, .1);
}

.btn-gold {
    background: var(--gold);
    color: #fff;
}

.btn-gold:hover {
    background: var(--gold-deep);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border-color: #D0C9BC;
    color: var(--ink);
}

.btn-outline:hover {
    border-color: var(--ink);
    background: var(--ink);
    color: #fff;
    transform: translateY(-1px);
}

/* ===== Hero ===== */
.category-hero {
    padding: 92px 0 0;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(115deg, rgba(246, 243, 238, .97) 32%, rgba(255, 255, 255, .78)),
        url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center right;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 70px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: .24em;
    color: var(--gold-deep);
    font-weight: 700;
    border-left: 3px solid var(--gold);
    padding-left: 12px;
    margin-bottom: 22px;
}

.hero-title {
    font-size: clamp(42px, 5vw, 64px);
    font-weight: 800;
    color: var(--ink);
    letter-spacing: .01em;
    line-height: 1.16;
}

.hero-lead {
    margin-top: 26px;
    font-size: 16px;
    line-height: 1.9;
    color: #454A50;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 38px;
}

.hero-media {
    position: relative;
    margin: 30px 0 0;
}

.hero-media .img-box {
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4 / 3.1;
    background: #E7E0D4;
    border: 1px solid rgba(183, 138, 59, .25);
    box-shadow: 0 24px 50px rgba(16, 20, 24, .08);
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-media-tag {
    position: absolute;
    left: 18px;
    bottom: 18px;
    background: rgba(16, 20, 24, .82);
    color: #F3E3C0;
    font-size: 12px;
    letter-spacing: .12em;
    padding: 8px 14px;
    border-radius: 30px;
    backdrop-filter: blur(6px);
}

.hero-divider {
    margin: 64px 0 0;
    border: 0;
    border-top: 1px solid var(--line);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 26px 0 2px;
}

.hero-stat {
    padding: 12px 2px;
    border-left: 1px solid var(--line);
}

.hero-stat:first-child {
    border-left: 0;
}

.hero-stat .num {
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: 34px;
    font-weight: 800;
    color: var(--ink);
}

.hero-stat .num small {
    font-size: 14px;
    margin-left: 3px;
    color: var(--gold-deep);
}

.hero-stat .label {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: .03em;
}

/* ===== 板块通用 ===== */
.section {
    padding: 92px 0;
}

.section-head {
    max-width: 820px;
    margin-bottom: 46px;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    letter-spacing: .22em;
    color: var(--gold-deep);
    font-weight: 700;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--gold);
    padding-bottom: 6px;
}

.section-title {
    font-size: clamp(28px, 3.2vw, 38px);
    font-weight: 800;
    color: var(--ink);
    letter-spacing: .01em;
}

.section-sub {
    margin-top: 18px;
    font-size: 15px;
    color: #555B61;
    line-height: 1.9;
}

/* ===== 礼包类型 ===== */
.benefit-types {
    background: #FFFFFF;
}

.type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
}

.type-cell {
    background: var(--card);
    padding: 40px 30px;
    min-height: 250px;
    transition: background .25s ease;
}

.type-cell:hover {
    background: #FCF8F1;
}

.type-cell .type-index {
    font-family: "Noto Serif SC", serif;
    font-size: 26px;
    color: var(--gold);
    font-weight: 700;
    display: block;
    margin-bottom: 18px;
}

.type-cell h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--ink);
}

.type-cell p {
    font-size: 14px;
    color: #5C6269;
    line-height: 1.85;
}

/* ===== 版本图文章 ===== */
.split-block {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 76px;
    align-items: center;
}

.split-img {
    border-radius: 18px;
    overflow: hidden;
    aspect-ratio: 5 / 4;
    border: 1px solid var(--line);
}

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

.check-list {
    margin-top: 28px;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.check-list li {
    position: relative;
    padding-left: 34px;
    font-size: 15px;
    color: #333A40;
    line-height: 1.8;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    background: var(--gold);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.waiting-note {
    margin-top: 30px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-left: 3px solid var(--gold);
    background: #FBF7F0;
    padding: 18px 20px;
    border-radius: 0 12px 12px 0;
}

.waiting-note p {
    font-size: 13px;
    color: #4E545A;
}

/* ===== 适合人群 ===== */
.audience-section {
    padding: 100px 0;
    color: #fff;
    background:
        linear-gradient(rgba(16, 20, 24, .88), rgba(16, 20, 24, .9)),
        url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
}

.audience-section .section-title {
    color: #fff;
}

.audience-section .section-sub {
    color: #C9C7C0;
}

.persona-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.persona-cell {
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 12px;
    padding: 28px 22px;
    background: rgba(255, 255, 255, .055);
    transition: border-color .25s, background .25s;
}

.persona-cell:hover {
    border-color: rgba(216, 179, 106, .68);
    background: rgba(255, 255, 255, .09);
}

.persona-index {
    color: var(--gold-light);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: .18em;
    display: block;
    margin-bottom: 18px;
}

.persona-cell h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 12px;
}

.persona-cell p {
    color: #C4C0B8;
    font-size: 14px;
    line-height: 1.8;
}

/* ===== 路径流程 ===== */
.process-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    counter-reset: process;
    margin-top: 18px;
}

.process-step {
    position: relative;
    padding: 34px 22px 10px 0;
}

.process-step::before {
    counter-increment: process;
    content: "0" counter(process);
    display: block;
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: 58px;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--gold);
    margin-bottom: 18px;
    font-weight: 800;
}

.process-step h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--ink);
}

.process-step p {
    font-size: 14px;
    color: #60666C;
    line-height: 1.8;
}

/* ===== 内容条目 ===== */
.entry-list {
    border-top: 1px solid var(--line);
    margin-top: 20px;
}

.entry-row {
    display: grid;
    grid-template-columns: 130px 1.1fr 1fr 150px;
    gap: 32px;
    align-items: start;
    padding: 30px 6px;
    border-bottom: 1px solid var(--line);
    transition: padding-left .25s ease, background .2s ease;
}

.entry-row:hover {
    padding-left: 16px;
    background: #FBF7F1;
}

.entry-cat {
    color: var(--gold-deep);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .1em;
    margin-top: 5px;
    display: block;
}

.entry-row h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 8px;
}

.entry-row .entry-desc {
    font-size: 14px;
    color: #767A7E;
    line-height: 1.8;
}

.entry-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    white-space: nowrap;
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease, color .2s ease;
}

.entry-row:hover .entry-arrow {
    border-color: var(--gold);
    color: var(--gold-deep);
}

/* ===== FAQ ===== */
.faq-section {
    background: #fff;
}

.faq-list {
    max-width: 920px;
    margin-top: 24px;
}

.faq-item {
    background: transparent;
}

.faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 25px 4px;
    cursor: pointer;
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    border-bottom: 1px solid var(--line);
    transition: color .2s;
}

.faq-item summary:hover {
    color: var(--gold-deep);
}

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

.faq-item .qa-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    border: 1px solid var(--gold);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--gold-deep);
    position: relative;
    transition: background .2s;
}

.faq-item summary:hover .qa-icon {
    background: var(--gold);
    color: #fff;
}

.faq-item[open] .qa-icon::before {
    content: "−";
}

.faq-item:not([open]) .qa-icon::before {
    content: "+";
}

.faq-item .faq-answer {
    padding: 6px 42px 26px 4px;
    font-size: 15px;
    color: #4E545B;
    line-height: 1.9;
}

/* ===== CTA ===== */
.cta-zone {
    padding: 96px 0;
    background:
        linear-gradient(rgba(16, 20, 24, .91), rgba(16, 20, 24, .94)),
        url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
}

.cta-box {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
    color: #fff;
}

.cta-box .section-title {
    color: #fff;
}

.cta-box .section-sub {
    color: #C8C4BC;
}

.cta-actions {
    margin-top: 36px;
}

/* ===== 表单弹层 ===== */
.lead-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(16, 20, 24, .55);
    z-index: 120;
    padding: 30px 20px;
    overflow-y: auto;
    backdrop-filter: blur(4px);
}

body.lead-open .lead-mask {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.lead-box {
    width: 100%;
    max-width: 480px;
    background: #fff;
    border-radius: 16px;
    margin-top: 7vh;
    position: relative;
    box-shadow: 0 24px 70px rgba(0, 0, 0, .22);
    overflow: hidden;
    animation: leadIn .3s ease both;
}

@keyframes leadIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lead-box::before {
    content: "";
    display: block;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.lead-title {
    font-size: 22px;
    font-weight: 800;
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
}

.lead-close {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 0;
    background: #F3F0EA;
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: background .2s;
    flex: none;
}

.lead-close:hover {
    background: var(--line);
}

.lead-inner {
    padding: 28px 32px 30px;
}

.lead-inner label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin: 16px 0 6px;
}

.lead-inner input,
.lead-inner select,
.lead-inner textarea {
    width: 100%;
    border: 1px solid #D8D2C6;
    border-radius: 8px;
    font-size: 15px;
    padding: 12px 14px;
    background: #FDFCFA;
    color: var(--ink);
    transition: border-color .2s, box-shadow .2s;
}

.lead-inner input:focus,
.lead-inner select:focus,
.lead-inner textarea:focus {
    outline: 0;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(183, 138, 59, .14);
}

.lead-privacy {
    font-size: 11px;
    color: #96938D;
    margin-top: 15px;
    line-height: 1.6;
}

.form-tip-success {
    display: none;
    margin-top: 12px;
    background: #F3F7F4;
    border: 1px solid #D6E3D8;
    border-radius: 8px;
    color: #2D6F3A;
    font-size: 14px;
    padding: 12px 14px;
}

/* ===== 桌面断点 ===== */
@media (min-width: 1024px) {
    .mobile-header {
        width: 252px;
        right: auto;
        bottom: 0;
        height: auto;
        background: #FCFBF8;
        border-right: 1px solid var(--line);
        border-bottom: 0;
        display: flex;
        flex-direction: column;
        padding: 28px 20px 20px;
        overflow-y: auto;
    }

    .mobile-header__row {
        display: none;
    }

    .side-nav {
        display: block;
        width: 100%;
        background: transparent;
        padding: 0;
        margin: 0;
    }

    .side-nav-logo {
        display: block;
        padding: 0 8px 30px;
        border-bottom: 1px solid var(--line);
    }

    .logo-main {
        display: block;
        font-family: "Noto Serif SC", "Source Han Serif SC", serif;
        font-size: 24px;
        font-weight: 800;
        letter-spacing: .02em;
        color: var(--ink);
    }

    .logo-sub {
        display: block;
        font-size: 11px;
        color: #AAA39A;
        margin-top: 4px;
        letter-spacing: .12em;
    }

    .side-nav-links {
        list-style: none;
        padding: 18px 0;
        margin: 0;
    }

    .side-nav-links li {
        margin-bottom: 2px;
    }

    .side-nav-link {
        display: flex;
        align-items: center;
        gap: 12px;
        height: 46px;
        padding: 0 16px;
        border-radius: 8px;
        color: #32383E;
        font-size: 15px;
        font-weight: 500;
        border: 0;
        background: transparent;
        transition: background .2s ease, color .2s ease, box-shadow .2s ease;
    }

    .side-nav-link .nav-icon {
        font-size: 20px;
        color: var(--gold);
        line-height: 0;
    }

    .side-nav-link:hover {
        background: var(--light-hover);
        color: var(--ink);
    }

    .side-nav-link.active {
        background: var(--light-hover);
        color: var(--ink);
        font-weight: 700;
        box-shadow: inset 2.5px 0 0 var(--gold);
    }

    .side-nav-footer {
        margin-top: auto;
        border-top: 1px solid var(--line);
        padding: 20px 8px 4px;
        color: #A8A29A;
        font-size: 11px;
        letter-spacing: .08em;
    }

    .main-wrap {
        margin-left: 252px;
        padding-top: 0;
    }

    .site-footer .wrap {
        padding-left: 56px;
        padding-right: 56px;
    }

    .mobile-menu {
        display: none !important;
    }

    body.menu-open .mobile-menu {
        display: none !important;
    }
}

@media (max-width: 1023.98px) {
    .side-nav {
        display: none !important;
    }
}

@media (max-width: 767.98px) {
    .wrap {
        padding: 0 20px;
    }

    .footer-top .wrap,
    .site-footer .wrap {
        padding-left: 20px;
        padding-right: 20px;
    }

    .section {
        padding: 60px 0;
    }

    .category-hero {
        padding-top: 78px;
    }

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

    .hero-title {
        font-size: 36px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 20px;
    }

    .hero-stat {
        border-left: 0;
        border-top: 1px solid var(--line);
        padding-top: 16px;
    }

    .hero-stat:first-child,
    .hero-stat:nth-child(2) {
        border-top: 0;
    }

    .hero-stat .num {
        font-size: 28px;
    }

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

    .split-block {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .persona-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .process-list {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .process-step {
        padding: 22px 0 0;
    }

    .process-step::before {
        font-size: 44px;
    }

    .entry-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .entry-cat {
        margin-bottom: 6px;
    }

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

    .footer-top p {
        text-align: left;
        max-width: none;
    }

    .footer-middle {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 0 26px;
    }

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

    .lead-inner {
        padding: 22px 20px 24px;
    }

    .split-block {
        margin-top: 20px;
    }
}

@media (max-width: 479.98px) {
    .persona-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-actions {
        flex-direction: column;
    }
}