/* roulang page: index */
:root {
        --page-bg: #F6F2EA;
        --page-bg-deep: #EDE8DF;
        --dark-deep: #171D1B;
        --dark-soft: #212E29;
        --ink: #1A201E;
        --ink-2: #4F5A55;
        --muted: #87908B;
        --accent: #2F6054;
        --accent-deep: #244C42;
        --carmel: #B4834F;
        --carmel-deep: #9A6F3F;
        --coral: #A9503C;
        --light-gold: #F8F6F1;
        --cream-card: #FBF9F5;
        --line: #DAD2C6;
        --line-dark: rgba(255,255,255,.14);
        --white: #FFFFFF;
        --radius-xs: 6px;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 18px;
        --shadow-sm: 0 1px 2px rgba(23,29,27,.05), 0 6px 18px -8px rgba(23,29,27,.08);
        --shadow-md: 0 12px 28px -14px rgba(23,29,27,.2);
        --shadow-hover: 0 22px 44px -22px rgba(23,29,27,.28);
        --space-section: 96px;
        --space-section-md: 72px;
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        background: var(--page-bg);
        color: var(--ink);
        font-size: 16px;
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
    }

    body::-webkit-scrollbar {
        width: 10px;
    }

    body::-webkit-scrollbar-thumb {
        background: #B8B2A7;
        border-radius: 10px;
    }

    body::-webkit-scrollbar-track {
        background: var(--page-bg);
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-family: "Noto Serif CJK SC", "Songti SC", "STSong", "PingFang SC", serif;
        color: var(--ink);
        font-weight: 700;
        line-height: 1.35;
        margin-top: 0;
    }

    p {
        margin-top: 0;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease;
    }

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

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

    .container {
        max-width: 1216px;
        padding-left: 22px;
        padding-right: 22px;
    }

    .section {
        padding-top: var(--space-section);
        padding-bottom: var(--space-section);
    }

    .section-sm {
        padding-top: 64px;
        padding-bottom: 64px;
    }

    .bg-deep {
        background: var(--dark-deep);
    }

    .bg-soft {
        background: var(--page-bg-deep);
    }

    .text-light-deep {
        color: #EDEDE7;
    }

    .btn {
        border-radius: var(--radius-sm);
        font-weight: 600;
        letter-spacing: .02em;
        padding: 12px 26px;
        border: 1px solid transparent;
        transition: background .25s, color .25s, border-color .25s, box-shadow .25s, transform .2s;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

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

    .btn-primary {
        background: var(--accent);
        border-color: var(--accent);
        color: #fff;
        box-shadow: 0 12px 20px -14px rgba(47,96,84,.7);
    }

    .btn-primary:hover,
    .btn-primary:focus {
        background: var(--accent-deep);
        border-color: var(--accent-deep);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

    .btn-outline-primary {
        border-color: var(--accent);
        color: var(--accent);
        background: transparent;
    }

    .btn-outline-primary:hover,
    .btn-outline-primary:focus {
        background: var(--accent);
        border-color: var(--accent);
        color: #fff;
        transform: translateY(-2px);
    }

    .btn-light-deep {
        background: #E9E8E2;
        color: var(--dark-deep);
        border-color: #E9E8E2;
    }

    .btn-light-deep:hover,
    .btn-light-deep:focus {
        background: #fff;
        color: var(--dark-deep);
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

    .btn-outline-light-deep {
        border-color: rgba(255,255,255,.55);
        color: #EDEDE7;
    }

    .btn-outline-light-deep:hover,
    .btn-outline-light-deep:focus {
        background: #EDEDE7;
        color: var(--dark-deep);
        transform: translateY(-2px);
    }

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

    .btn-carmel:hover,
    .btn-carmel:focus {
        background: var(--carmel-deep);
        border-color: var(--carmel-deep);
        color: #fff;
        transform: translateY(-2px);
    }

    .kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .12em;
        text-transform: uppercase;
        color: var(--kicker, var(--accent));
    }

    .kicker::before {
        content: "";
        width: 22px;
        height: 2px;
        background: currentColor;
        flex: none;
    }

    .section-head {
        margin-bottom: 34px;
    }

    .section-title {
        font-size: clamp(1.65rem, 3vw, 2.35rem);
        letter-spacing: .02em;
        margin: 12px 0 10px;
    }

    .section-sub {
        color: var(--ink-2);
        max-width: 760px;
        font-size: 16px;
    }

    html {
        scroll-padding-top: 120px;
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 1050;
        background: rgba(23, 29, 27, .96);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .header-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        position: relative;
        min-height: 78px;
    }

    .brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        flex: none;
        color: #F5F3EC;
        font-weight: 800;
        font-size: 24px;
        letter-spacing: .02em;
    }

    .brand .brand-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--carmel);
        color: #fff;
        font-size: 23px;
        font-weight: 900;
        font-family: "Noto Serif CJK SC", serif;
        border: 1px solid rgba(255,255,255,.2);
    }

    .brand-sub {
        font-size: 12px;
        font-weight: 500;
        color: #A9B2AC;
        border-left: 1px solid rgba(255,255,255,.25);
        padding-left: 10px;
        margin-left: 2px;
        letter-spacing: .07em;
    }

    .desktop-nav {
        display: flex;
        align-items: center;
        gap: 32px;
    }

    .desktop-nav .nav-item {
        padding: 8px 4px;
        color: #D5DBD7;
        font-weight: 500;
        font-size: 16px;
        position: relative;
        white-space: nowrap;
    }

    .desktop-nav .nav-item:hover,
    .desktop-nav .nav-item:focus {
        color: #fff;
    }

    .desktop-nav .nav-item.active {
        color: #04a870;
    }

    .desktop-nav .nav-item.active::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: -1px;
        height: 2px;
        width: 100%;
        background: #E7B684;
    }

    .header-tools {
        display: flex;
        align-items: center;
        gap: 10px;
        flex: 0 0 auto;
    }

    .site-search {
        display: flex;
        align-items: center;
        justify-content: flex-end;
    }

    .site-search .form-control {
        width: 210px;
        border: 1px solid rgba(255,255,255,.16);
        border-radius: 8px;
        background: rgba(255,255,255,.08);
        color: #F1EFE8;
        font-size: 13px;
        padding: 8px 12px;
        box-shadow: none;
        transition: border-color .2s, background .2s;
    }

    .site-search .form-control::placeholder {
        color: #989F9B;
    }

    .site-search .form-control:focus {
        border-color: #E1B98D;
        background: rgba(255,255,255,.12);
        box-shadow: none;
    }

    .site-search .btn-search {
        border: none;
        background: transparent;
        color: #C5CBC7;
        padding: 6px 8px;
        font-size: 14px;
    }

    .site-search .btn-search:hover {
        color: #fff;
    }

    .version-drop .btn-vers {
        background: transparent;
        border: 1px solid rgba(255,255,255,.2);
        color: #DDE1DD;
        font-size: 13px;
        border-radius: 40px;
        padding: 5px 13px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .version-drop .btn-vers:hover,
    .version-drop .btn-vers:focus {
        background: rgba(255,255,255,.08);
        border-color: rgba(255,255,255,.3);
        color: #fff;
    }

    .version-drop .dropdown-menu {
        min-width: 180px;
        background: #212B28;
        border: 1px solid rgba(255,255,255,.12);
        border-radius: 12px;
        padding: 10px;
        box-shadow: var(--shadow-hover);
    }

    .version-drop .dropdown-item {
        border-radius: 8px;
        color: #E3E8E3;
        padding: 8px 12px;
        font-size: 14px;
    }

    .version-drop .dropdown-item:hover,
    .version-drop .dropdown-item:focus {
        background: rgba(255,255,255,.1);
        color: #fff;
    }

    .header-hamburger {
        background: transparent;
        border: 1px solid rgba(255,255,255,.22);
        border-radius: 8px;
        width: 42px;
        height: 42px;
        color: #E4E8E3;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .header-hamburger:hover {
        background: rgba(255,255,255,.1);
    }

    .mobile-drawer {
        background: #1B2420;
        font-family: inherit;
        color: #E4E4DB;
        width: 330px;
    }

    .mobile-drawer .offcanvas-header {
        border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .mobile-drawer .drawer-brand {
        font-size: 22px;
        color: #fff;
        font-weight: 800;
    }

    .mobile-drawer .btn-close {
        filter: invert(1);
        opacity: .7;
    }

    .drawer-search {
        display: flex;
        margin: 18px 16px;
    }

    .drawer-search .form-control {
        flex: 1;
        background: rgba(255,255,255,.09);
        border-color: rgba(255,255,255,.18);
        color: #fff;
        border-radius: 8px 0 0 8px;
    }

    .drawer-search .form-control::placeholder {
        color: #8E9892;
    }

    .drawer-search .drawer-search-btn {
        border: 1px solid rgba(255,255,255,.18);
        border-left: 0;
        background: rgba(255,255,255,.12);
        color: #DFE3DD;
        border-radius: 0 8px 8px 0;
        padding: 0 14px;
    }

    .drawer-links {
        padding: 0 16px 22px;
    }

    .drawer-links a {
        color: #DADFDA;
        display: flex;
        justify-content: space-between;
        padding: 13px 4px;
        border-bottom: 1px solid rgba(255,255,255,.09);
        font-weight: 500;
    }

    .drawer-links a::after {
        content: "→";
        color: #8B958F;
    }

    .drawer-links a:hover {
        color: #fff;
    }

    .drawer-version {
        font-size: 13px;
        color: #96A09A;
        padding: 20px 20px;
    }

    .hero {
        position: relative;
        color: #EDEDE7;
        background-image: linear-gradient(180deg, rgba(12, 18, 16, .55) 0%, rgba(12, 18, 16, .35) 50%, rgba(10, 14, 12, .82) 100%), url("/assets/images/backpic/back-1.jpg");
        background-size: cover;
        background-position: center;
        padding: clamp(90px, 11vh, 136px) 0 clamp(46px, 6vh, 80px);
    }

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

    .hero-pill {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255,255,255,.08);
        border: 1px solid rgba(255,255,255,.18);
        color: #E3E9E4;
        font-size: 13px;
        padding: 6px 14px;
        border-radius: 40px;
        letter-spacing: .06em;
        backdrop-filter: blur(6px);
    }

    .hero-pill::before {
        content: "";
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: #E3AA72;
    }

    .hero h1 {
        color: #FFFDF8;
        font-size: clamp(2.15rem, 5.2vw, 3.7rem);
        line-height: 1.22;
        letter-spacing: .02em;
        max-width: 810px;
        margin: 24px 0 22px;
        text-wrap: balance;
    }

    .hero h1 .accent-word {
        color: #EDC08E;
        position: relative;
    }

    .hero-lead {
        font-size: clamp(15px, 2.2vw, 17px);
        line-height: 1.9;
        color: rgba(242,242,235,.86);
        max-width: 720px;
        margin-bottom: 32px;
        text-wrap: pretty;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-bottom: 46px;
    }

    .hero-chipbar {
        display: flex;
        flex-wrap: wrap;
        gap: 10px 18px;
        border-top: 1px solid rgba(255,255,255,.22);
        padding-top: 22px;
        max-width: 840px;
    }

    .hero-chipbar span {
        font-size: 14px;
        color: rgba(242,240,231,.8);
        display: inline-flex;
        align-items: center;
        gap: 7px;
    }

    .hero-chipbar span::before {
        content: "◆";
        font-size: 8px;
        color: #D7A066;
    }

    .info-feature {
        background: #F4F0E7;
        border-top: 1px solid var(--line);
    }

    .feature-tick {
        display: grid;
        grid-template-columns: repeat(auto-fit,minmax(230px,1fr));
        border-top: 1px solid var(--line);
    }

    .feature-tick-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 20px 14px;
        border-right: 1px solid var(--line);
        font-size: 14px;
        color: var(--ink-2);
    }

    .feature-tick-item:last-child {
        border-right: none;
    }

    .feature-tick-item .tick-no {
        width: 34px;
        height: 34px;
        background: var(--dark-deep);
        color: #DCE5DD;
        font-family: "Barlow", "PingFang SC", sans-serif;
        font-weight: 600;
        font-size: 15px;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: none;
    }

    .custom-card {
        background: var(--cream-card);
        border: 1px solid var(--line);
        border-radius: var(--radius-md);
        padding: 22px;
        box-shadow: var(--shadow-sm);
    }

    .compare-wrap {
        background: #FBFAF6;
        border: 1px solid var(--line);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }

    .compare-table {
        width: 100%;
        border-collapse: collapse;
        min-width: 780px;
        font-size: 15px;
    }

    .compare-table th,
    .compare-table td {
        text-align: left;
        padding: 16px 18px;
        border-bottom: 1px solid var(--line);
        vertical-align: top;
    }

    .compare-table thead th {
        background: #ECE7DC;
        font-weight: 800;
        font-size: 15px;
        color: var(--dark-deep);
        white-space: nowrap;
    }

    .compare-table tbody tr:last-child td {
        border-bottom: none;
    }

    .compare-table tbody tr:hover td {
        background: #FAF6EC;
    }

    .compare-table td:first-child {
        font-weight: 700;
        color: var(--accent-deep);
        white-space: nowrap;
        width: 160px;
    }

    .compare-table .unit-tag {
        font-size: 13px;
        color: var(--carmel-deep);
        font-weight: 600;
    }

    .table-tip {
        color: var(--muted);
        font-size: 14px;
        margin-top: 12px;
    }

    .guide-card {
        background: var(--cream-card);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        padding: 22px 22px 24px;
        height: 100%;
        box-shadow: var(--shadow-sm);
        transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        display: flex;
        flex-direction: column;
    }

    .guide-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        border-color: #C4A88A;
    }

    .guide-card .cover-img {
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 18px;
        position: relative;
    }

    .guide-card .cover-img img {
        width: 100%;
        height: 190px;
        object-fit: cover;
        object-position: center;
        transition: transform .6s ease;
    }

    .guide-card:hover .cover-img img {
        transform: scale(1.04);
    }

    .guide-card .guide-no {
        font-family: "Barlow", sans-serif;
        letter-spacing: .05em;
        color: var(--carmel);
        font-weight: 800;
        font-size: 14px;
    }

    .guide-card h3 {
        font-size: 20px;
        margin: 8px 0 10px;
    }

    .guide-card p {
        font-size: 15px;
        color: var(--ink-2);
        margin-bottom: 18px;
        flex-grow: 1;
    }

    .guid-link {
        font-weight: 700;
        color: var(--accent);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: color .2s;
    }

    .guid-link::after {
        content: "";
        width: 8px;
        height: 8px;
        border-top: 1px solid currentColor;
        border-right: 1px solid currentColor;
        transform: rotate(45deg);
        transition: transform .2s;
    }

    .guid-link:hover {
        color: var(--carmel-deep);
    }

    .guid-link:hover::after {
        transform: translateX(4px) rotate(45deg);
    }

    .social-section {
        background: var(--dark-deep);
        color: #CFD6D0;
    }

    .social-section .section-title {
        color: #F2F0E9;
    }

    .social-section .kicker {
        --kicker: #E0AE7D;
    }

    .social-section .section-sub {
        color: #A8B3AB;
    }

    .quote-big-wrap {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .quote-big {
        background: rgba(255,255,255,.055);
        border: 1px solid rgba(255,255,255,.12);
        border-radius: var(--radius-md);
        padding: 28px;
        position: relative;
    }

    .quote-big::before {
        content: "“";
        display: block;
        font-family: "Noto Serif CJK SC", serif;
        font-size: 58px;
        line-height: .6;
        color: rgba(225, 178, 120, .55);
        margin-bottom: 14px;
    }

    .quote-big p {
        font-size: 17px;
        line-height: 1.9;
        color: #E4E2D9;
        margin-bottom: 18px;
    }

    .quote-author {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: #98A49B;
    }

    .quote-author .quote-name {
        color: #DEDBD3;
        font-weight: 700;
    }

    .quote-author .split {
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: #B4834F;
    }

    .quote-small-wrapper {
        display: grid;
        grid-template-columns: repeat(3,1fr);
        gap: 20px;
        margin-top: 26px;
    }

    .quote-small {
        background: rgba(255,255,255,.04);
        border-radius: var(--radius-md);
        padding: 20px;
        border: 1px solid rgba(255,255,255,.09);
    }

    .quote-small p {
        font-size: 14.5px;
        line-height: 1.8;
        color: #D9DDD6;
        margin-bottom: 12px;
    }

    .quote-small .quote-author {
        font-size: 13px;
        color: #9FA9A2;
    }

    .section-update {
        background: #F9F6F0;
    }

    .update-left .custom-card {
        background: #FCFBF8;
    }

    .changelog-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .changelog-list li {
        display: flex;
        gap: 16px;
        padding: 16px 0;
        border-bottom: 1px dashed var(--line);
    }

    .changelog-list li:last-child {
        border-bottom: none;
    }

    .changelog-list .log-version {
        flex: none;
        width: 62px;
        font-size: 13px;
        font-weight: 700;
        font-family: "Barlow", sans-serif;
        color: var(--carmel-deep);
    }

    .changelog-list .log-body {
        font-size: 15px;
        color: var(--ink-2);
        line-height: 1.75;
    }

    .changelog-list .log-body strong {
        color: var(--ink);
    }

    .info-link-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .info-link-list li {
        border-bottom: 1px solid var(--line);
        padding: 11px 0;
    }

    .info-link-list li:last-child {
        border-bottom: none;
    }

    .info-link-list a {
        font-size: 15px;
        color: var(--ink-2);
        display: flex;
        gap: 10px;
        align-items: baseline;
        transition: color .2s;
    }

    .info-link-list a .arrow {
        color: var(--carmel);
        font-weight: 700;
        flex: none;
    }

    .info-link-list a:hover {
        color: var(--accent);
    }

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

    .faq-accordion {
        --bs-accordion-border-width: 0;
        --bs-accordion-bg: transparent;
        --bs-accordion-border-radius: 0;
    }

    .faq-accordion .accordion-item {
        background: transparent;
        border: none;
        border-bottom: 1px solid var(--line);
        border-radius: 0 !important;
    }

    .faq-accordion .accordion-button {
        background: transparent;
        padding: 21px 40px 21px 0;
        font-size: 16px;
        font-weight: 700;
        color: var(--ink);
        box-shadow: none;
        position: relative;
        transition: color .2s;
    }

    .faq-accordion .accordion-button:hover,
    .faq-accordion .accordion-button:not(.collapsed) {
        color: var(--accent-deep);
        background: transparent;
        box-shadow: none;
    }

    .faq-accordion .accordion-button::after {
        background: none;
        font-family: sans-serif;
        content: "+";
        font-size: 24px;
        font-weight: 300;
        width: 32px;
        height: 32px;
        position: absolute;
        right: 2px;
        color: var(--carmel);
        line-height: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        transform: rotate(0deg);
        transition: transform .3s;
    }

    .faq-accordion .accordion-button:not(.collapsed)::after {
        content: "−";
        transform: rotate(0deg);
        color: var(--accent);
    }

    .faq-accordion .accordion-body {
        padding: 0 70px 22px 0;
        color: var(--ink-2);
        font-size: 15px;
        line-height: 1.9;
    }

    .cta-zone {
        background: #1F2B26;
        background-image: radial-gradient(circle at 85% 15%, rgba(214,173,124,.15), transparent 32%), url("/assets/images/backpic/back-2.jpg");
        background-size: cover;
        background-position: center;
        position: relative;
    }

    .cta-zone::before {
        content: "";
        position: absolute;
        inset: 0;
        background: rgba(23,29,27,.86);
        backdrop-filter: blur(2px);
    }

    .cta-zone .container {
        position: relative;
        z-index: 1;
    }

    .cta-inner {
        max-width: 680px;
        margin: 0 auto;
    }

    .cta-inner h2 {
        color: #F9F6EE;
        font-size: clamp(2rem, 4vw, 2.9rem);
        text-align: center;
    }

    .cta-inner .cta-desc {
        color: #C3CAC4;
        text-align: center;
        font-size: 16px;
        margin: 16px auto 28px;
        max-width: 620px;
    }

    .cta-btn-row {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }

    .cta-note {
        margin-top: 20px;
        font-size: 13px;
        color: #9AA59D;
        text-align: center;
    }

    .site-footer {
        background: #111715;
        color: #ADB5AF;
        padding-top: 64px;
        padding-bottom: 24px;
    }

    .footer-brand {
        color: #F4F3ED;
        font-size: 22px;
        font-weight: 800;
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 16px;
    }

    .footer-brand .brand-mark {
        width: 34px;
        height: 34px;
        background: var(--carmel);
        border-radius: 8px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
    }

    .footer-desc {
        font-size: 14px;
        line-height: 1.9;
        max-width: 280px;
        color: #8F9B92;
    }

    .footer-title {
        color: #DDE5DF;
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 14px;
        letter-spacing: .05em;
    }

    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-links li {
        margin-bottom: 8px;
    }

    .footer-links a {
        color: #9EA69F;
        font-size: 14px;
        padding: 4px 0;
    }

    .footer-links a:hover,
    .footer-links a:focus {
        color: #EFC699;
    }

    .footer-contact {
        font-size: 14px;
        color: #9CA59E;
    }

    .footer-contact a {
        color: #D2D6CE;
        border-bottom: 1px solid rgba(255,255,255,.18);
    }

    .footer-contact a:hover {
        color: #F1C69B;
        border-color: rgba(255,255,255,.4);
    }

    .footer-contact .contact-item {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 9px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,.09);
        padding-top: 20px;
        margin-top: 48px;
        font-size: 13px;
        color: #77877C;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 8px;
    }

    .footer-bottom a {
        color: #9EAAA0;
    }

    .footer-bottom a:hover {
        color: #F4D6B4;
    }

    .bottom-cta {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1040;
        background: rgba(23,29,27,.95);
        backdrop-filter: blur(14px);
        border-top: 1px solid rgba(255,255,255,.14);
        box-shadow: 0 -8px 30px -18px rgba(0,0,0,.4);
        transform: translateY(120%);
        transition: transform .4s cubic-bezier(.3,.8,.3,1);
    }

    .bottom-cta.show {
        transform: translateY(0);
    }

    .bottom-cta.hide {
        display: none;
    }

    .bottom-cta .cta-inner-wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        padding: 12px 0;
        max-width: 1216px;
        margin: auto;
        padding-left: 22px;
        padding-right: 22px;
    }

    .bottom-cta .cta-copy {
        color: #E1E4DA;
        font-size: 14px;
        display: flex;
        align-items: center;
        gap: 12px;
        margin: 0;
    }

    .bottom-cta .cta-copy .cta-dot {
        width: 7px;
        height: 7px;
        background: #EFC395;
        border-radius: 50%;
        flex: none;
    }

    .bottom-cta .cta-actions {
        display: flex;
        align-items: center;
        gap: 10px;
        flex: none;
    }

    .bottom-cta .btn {
        padding: 8px 16px;
        font-size: 14px;
        border-radius: 7px;
    }

    .cta-close {
        border: none;
        width: 32px;
        height: 32px;
        border-radius: 8px;
        background: rgba(255,255,255,.08);
        color: #C5CCC7;
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .cta-close:hover {
        background: rgba(255,255,255,.15);
        color: #fff;
    }

    section[id] {
        scroll-margin-top: 88px;
    }

    .back-to-top {
        position: relative;
    }

    @media (max-width: 1199.98px) {
        .desktop-nav {
            gap: 16px;
        }

        .site-search .form-control {
            width: 160px;
        }
    }

    @media (max-width: 991.98px) {
        .header-row {
            min-height: 66px;
        }

        .brand {
            font-size: 21px;
        }

        .brand .brand-mark {
            width: 36px;
            height: 36px;
            font-size: 21px;
        }

        .desktop-nav {
            display: none;
        }

        .header-tools {
            gap: 6px;
        }

        .header-search-desktop {
            display: none;
        }

        .section {
            padding-top: 64px;
            padding-bottom: 64px;
        }
    }

    @media (min-width: 992px) {
        .mobile-drawer {
            display: none;
        }
    }

    @media (max-width: 767.98px) {
        body {
            font-size: 15px;
        }

        .container {
            padding-left: 18px;
            padding-right: 18px;
        }

        .section {
            padding-top: 54px;
            padding-bottom: 54px;
        }

        .hero {
            padding: 78px 0 36px;
        }

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

        .hero-chipbar {
            gap: 8px;
        }

        .quote-big-wrap,
        .quote-small-wrapper {
            grid-template-columns: 1fr;
        }

        .faq-accordion .accordion-body {
            padding-right: 10px;
        }

        .bottom-cta .cta-inner-wrap {
            align-items: center;
            padding: 9px 12px;
        }

        .bottom-cta .cta-copy {
            font-size: 13px;
            flex: none;
        }

        .bottom-cta .cta-actions {
            flex: none;
        }

        .bottom-cta .btn,
        .bottom-cta .cta-close {
            padding: 7px 12px;
            font-size: 13px;
            width: auto;
        }

        .guide-card .cover-img img {
            height: 160px;
        }

        .feature-tick {
            grid-template-columns: 1fr;
        }

        .feature-tick-item {
            border-right: 0;
            border-bottom: 1px solid var(--line);
        }

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

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

    @media (max-width: 520px) {
        .section-title {
            font-size: 1.55rem;
        }

        .hero h1 {
            font-size: 2.05rem;
        }

        .brand-sub {
            display: none;
        }

        .bottom-cta .cta-inner-wrap {
            gap: 8px;
            flex-wrap: wrap;
        }

        .bottom-cta .cta-copy {
            width: calc(100% - 36px);
        }

        .bottom-cta .cta-actions {
            width: 100%;
            justify-content: flex-end;
        }

        .compare-table th,
        .compare-table td {
            padding: 12px;
            font-size: 14px;
        }
    }

/* roulang page: category1 */
:root{
  --page-bg:#F6F2EA;
  --page-bg-deep:#EDE8DF;
  --dark-deep:#171D1B;
  --dark-soft:#212E29;
  --ink:#1A201E;
  --ink-2:#4F5A55;
  --muted:#87908B;
  --accent:#2F6054;
  --accent-deep:#244C42;
  --carmel:#B4834F;
  --carmel-deep:#9A6F3F;
  --coral:#A9503C;
  --light-gold:#F8F6F1;
  --cream-card:#FBF9F5;
  --line:#DAD2C6;
  --line-dark:rgba(255,255,255,.14);
  --white:#FFF;
  --radius-xs:6px;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(23,29,27,.05),0 6px 18px -8px rgba(23,29,27,.08);
  --shadow-md:0 12px 28px -14px rgba(23,29,27,.2);
  --shadow-hover:0 22px 44px -22px rgba(23,29,27,.28);
  --space-section:96px;
  --space-section-md:72px;
}
html{
  scroll-behavior:smooth;
  scroll-padding-top:126px;
}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--page-bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::-webkit-scrollbar{
  width:10px;
}
body::-webkit-scrollbar-thumb{
  background:#B8B2A7;
  border-radius:10px;
}
body::-webkit-scrollbar-track{
  background:var(--page-bg);
}
a{
  color:inherit;
  text-decoration:none;
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
img{
  max-width:100%;
  display:block;
}
button,input,select,textarea{
  font-family:inherit;
}
.container{
  max-width:1216px;
  padding-left:22px;
  padding-right:22px;
}
.row>*{
  padding-left:17px;
  padding-right:17px;
}
.btn{
  border-radius:var(--radius-sm);
  font-weight:600;
  letter-spacing:.02em;
  padding:12px 25px;
  border:1px solid transparent;
  transition:background .25s,color .25s,border-color .25s,box-shadow .25s,transform .2s;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn:focus-visible{
  outline:2px solid var(--carmel);
  outline-offset:3px;
}
.btn-primary{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  box-shadow:0 12px 20px -14px rgba(47,96,84,.7);
}
.btn-primary:hover,
.btn-primary:focus{
  background:var(--accent-deep);
  border-color:var(--accent-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.btn-outline-primary{
  border-color:var(--accent);
  color:var(--accent);
  background:transparent;
}
.btn-outline-primary:hover,
.btn-outline-primary:focus{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
  transform:translateY(-2px);
}
.btn-carmel{
  background:var(--carmel);
  border-color:var(--carmel);
  color:#fff;
}
.btn-carmel:hover,
.btn-carmel:focus{
  background:var(--carmel-deep);
  border-color:var(--carmel-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.btn-sm{
  padding:10px 18px;
  font-size:14px;
}
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(23,29,27,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:78px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:#F5F3EC;
  font-weight:800;
  font-size:24px;
  letter-spacing:.02em;
}
.brand:hover{
  color:#fff;
}
.brand .brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:10px;
  background:var(--carmel);
  color:#fff;
  font-size:23px;
  font-weight:900;
  font-family:"Noto Serif CJK SC","Songti SC",serif;
  border:1px solid rgba(255,255,255,.2);
  flex:none;
}
.brand-sub{
  font-size:12px;
  font-weight:500;
  color:#A9B2AC;
  border-left:1px solid rgba(255,255,255,.25);
  padding-left:11px;
  margin-left:2px;
  letter-spacing:.08em;
}
.desktop-nav{
  display:flex;
  align-items:center;
  gap:34px;
  margin-left:auto;
}
.desktop-nav a.nav-item{
  color:#D5DBD7;
  font-weight:500;
  font-size:16px;
  padding:8px 2px;
  position:relative;
  white-space:nowrap;
}
.desktop-nav a.nav-item::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--carmel);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.desktop-nav a.nav-item:hover,
.desktop-nav a.nav-item:focus-visible{
  color:#fff;
  outline:none;
}
.desktop-nav a.nav-item:hover::after,
.desktop-nav a.nav-item:focus-visible::after,
.desktop-nav a.nav-item.active::after{
  transform:scaleX(1);
}
.desktop-nav a.nav-item.active{
  color:#fff;
}
.header-tools{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.header-search-desktop{
  width:230px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);
  border-radius:8px;
  color:#F1EFE8;
  padding:8px 14px;
  font-size:14px;
  transition:background .2s,border-color .2s,box-shadow .2s;
}
.header-search-desktop::placeholder{
  color:#A9B2AC;
}
.header-search-desktop:focus{
  background:#fff;
  color:var(--ink);
  border-color:var(--carmel);
  box-shadow:0 0 0 3px rgba(180,131,79,.18);
}
.version-wrap{
  position:relative;
  margin-left:4px;
}
.version-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:#DDE2DE;
  border-radius:8px;
  padding:8px 14px;
  font-size:14px;
  transition:background .2s,border-color .2s,color .2s;
}
.version-trigger:hover,
.version-trigger:focus-visible{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.25);
  color:#fff;
  outline:none;
}
.version-drop{
  position:absolute;
  right:0;
  top:calc(100% + 10px);
  background:var(--dark-soft);
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px;
  min-width:178px;
  padding:14px;
  color:#EDEDE7;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .2s, transform .2s, visibility .2s;
  box-shadow:var(--shadow-hover);
}
.version-wrap.is-open .version-drop{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.version-drop-label,
.version-stamp{
  display:block;
  font-size:12px;
  color:#A9B2AC;
  padding:5px 8px 8px;
  letter-spacing:.05em;
}
.version-drop a.version-item{
  display:block;
  padding:8px;
  border-radius:6px;
  font-size:14px;
  color:#DDE2DE;
}
.version-drop a.version-item:hover,
.version-drop a.version-item:focus-visible{
  background:rgba(255,255,255,.08);
  color:#fff;
  outline:none;
}
.version-drop a.version-item.is-current{
  color:var(--carmel);
  font-weight:600;
}
.header-hamburger{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:8px;
  color:#EDEDE7;
  transition:background .2s,border-color .2s;
}
.header-hamburger:hover,
.header-hamburger:focus-visible{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.25);
  outline:none;
}
.mobile-panel{
  background:var(--dark-deep);
  color:#EDEDE7;
  width:min(340px,86vw);
  border-left:1px solid rgba(255,255,255,.08);
}
.mobile-panel .offcanvas-header{
  padding:20px 22px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-brand{
  font-size:21px;
  font-weight:800;
  color:#F5F3EC;
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.mobile-brand .brand-mark{
  width:34px;
  height:34px;
  font-size:20px;
  border-radius:9px;
  background:var(--carmel);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.mobile-panel .btn-close{
  filter:invert(1) brightness(1.4);
  opacity:.85;
}
.mobile-panel .offcanvas-body{
  padding:22px;
}
.mobile-nav-title{
  font-size:13px;
  color:#A9B2AC;
  letter-spacing:.08em;
  margin:6px 0 12px;
}
.mobile-panel .mobile-nav-link{
  display:block;
  padding:14px 4px;
  font-size:17px;
  font-weight:600;
  color:#E7EAE5;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-panel .mobile-nav-link:hover,
.mobile-panel .mobile-nav-link.active{
  color:var(--carmel);
}
.mobile-version-tip{
  margin-top:28px;
  padding:14px;
  background:rgba(255,255,255,.05);
  border-radius:10px;
  font-size:13px;
  color:#A9B2AC;
}
/* 文档页布局 */
.doc-page{
  background:
    linear-gradient(180deg,rgba(244,240,232,.5) 0,rgba(244,240,232,0) 240px),
    var(--page-bg);
}
.doc-grid{
  display:grid;
  grid-template-columns:294px minmax(0,1fr);
  gap:52px;
  padding-top:46px;
  padding-bottom:80px;
  align-items:start;
}
.doc-sidebar{
  position:sticky;
  top:117px;
  max-height:calc(100vh - 140px);
  overflow:auto;
  background:rgba(250,248,243,.72);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px 16px 16px;
  scrollbar-width:thin;
}
.doc-sidebar::-webkit-scrollbar{
  width:6px;
}
.doc-sidebar::-webkit-scrollbar-thumb{
  background:#C7C0B4;
  border-radius:8px;
}
.doc-catalog-head{
  display:flex;
  align-items:center;
  gap:10px;
  padding:4px 6px 14px;
  border-bottom:1px solid var(--line);
  margin-bottom:12px;
}
.doc-catalog-head .side-icon{
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--accent);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.doc-catalog-head strong{
  font-size:16px;
  display:block;
  line-height:1.3;
  letter-spacing:.02em;
}
.doc-catalog-head span{
  font-size:12px;
  color:var(--muted);
}
.doc-toc-nav{
  list-style:none;
  margin:0;
  padding:0;
}
.doc-toc-nav li{
  margin-bottom:3px;
}
.doc-toc-nav .doc-nav{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:var(--ink-2);
  padding:10px 10px;
  border-left:3px solid transparent;
  margin-left:2px;
  font-size:14.5px;
  line-height:1.5;
  border-radius:0 8px 8px 0;
  transition:background .2s,color .2s,border-color .2s;
}
.doc-toc-nav .toc-num{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:23px;
  height:23px;
  border-radius:7px;
  background:#EAE4DA;
  color:var(--ink-2);
  font-size:12px;
  font-weight:700;
  margin-top:2px;
}
.doc-toc-nav .doc-nav:hover{
  background:#F1ECE3;
  color:var(--ink);
}
.doc-toc-nav .doc-nav:focus-visible{
  outline:2px solid var(--carmel);
  outline-offset:2px;
}
.doc-toc-nav .doc-nav.active{
  border-left-color:var(--carmel);
  background:#F0EAE0;
  color:var(--ink);
  font-weight:600;
}
.doc-toc-nav .doc-nav.active .toc-num{
  background:var(--carmel);
  color:#fff;
}
.sidebar-card{
  margin-top:18px;
  padding:17px 16px;
  background:var(--cream-card);
  border:1px solid var(--line);
  border-radius:12px;
}
.sidebar-card-label{
  font-weight:700;
  color:var(--carmel-deep);
  font-size:15px;
  margin:0 0 6px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.sidebar-card p{
  font-size:13.5px;
  color:var(--ink-2);
  line-height:1.7;
  margin:0 0 14px;
}
.sidebar-card .btn{
  width:100%;
}
/* 右侧内容 */
.doc-main{
  min-width:0;
  max-width:920px;
}
.doc-crumb{
  list-style:none;
  padding:0;
  margin:0 0 18px;
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  align-items:center;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.02em;
}
.doc-crumb a{
  color:var(--muted);
}
.doc-crumb a:hover{
  color:var(--accent);
}
.doc-crumb .crumb-sep{
  color:#B9B2A8;
}
.doc-title{
  font-family:"Noto Serif CJK SC","Songti SC",serif;
  font-weight:800;
  font-size:clamp(2rem,4vw,3.05rem);
  line-height:1.28;
  letter-spacing:.02em;
  margin:0 0 18px;
  color:var(--ink);
}
.doc-lede{
  color:var(--ink-2);
  font-size:17px;
  line-height:2;
  max-width:820px;
  margin:0 0 28px;
}
.doc-lede strong{
  color:var(--ink);
}
.doc-figure{
  margin:0 0 22px;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--cream-card);
  box-shadow:var(--shadow-sm);
}
.doc-figure img{
  width:100%;
  height:320px;
  object-fit:cover;
  object-position:center 38%;
}
.doc-figure figcaption{
  padding:11px 18px;
  font-size:13px;
  color:var(--muted);
  background:var(--cream-card);
}
.doc-section{
  padding-top:46px;
  border-top:1px dashed #D9D0C2;
  scroll-margin-top:138px;
}
.doc-section .section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--accent);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  margin-bottom:8px;
  text-transform:uppercase;
}
.doc-section h2{
  font-size:clamp(1.45rem,2.6vw,2rem);
  margin:0 0 18px;
  letter-spacing:.01em;
  color:var(--ink);
  font-weight:800;
}
.doc-section h3{
  font-size:18px;
  font-weight:700;
  margin:24px 0 10px;
  color:var(--ink);
}
.doc-section p{
  margin:0 0 18px;
  color:#39423E;
  line-height:1.95;
}
.doc-tagrow{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin:14px 0 20px;
}
.pill-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border:1px solid #CBBFAE;
  background:var(--cream-card);
  color:var(--ink-2);
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  letter-spacing:.01em;
}
.pill-tag::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--carmel);
  flex:none;
}
.doc-note{
  display:flex;
  gap:14px;
  background:#F3EEE4;
  border:1px solid #DCCEB9;
  border-left:4px solid var(--carmel);
  border-radius:10px;
  padding:15px 18px;
  margin:22px 0;
}
.doc-note .note-ic{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--carmel);
  color:#fff;
  font-weight:800;
  margin-top:2px;
}
.doc-note p{
  margin:0;
  color:#4E5249;
  font-size:14.5px;
  line-height:1.85;
}
.doc-note strong{
  color:var(--carmel-deep);
}
.spec-table-wrap{
  overflow-x:auto;
  margin:22px 0 26px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--cream-card);
  box-shadow:var(--shadow-sm);
}
.table-doc{
  width:100%;
  min-width:580px;
  border-collapse:separate;
  border-spacing:0;
  font-size:14.5px;
}
.table-doc th{
  background:var(--dark-deep);
  color:#E9ECE7;
  text-align:left;
  padding:14px 18px;
  font-weight:600;
  font-size:13.5px;
  letter-spacing:.03em;
  white-space:nowrap;
}
.table-doc th:first-child{
  border-top-left-radius:10px;
}
.table-doc th:last-child{
  border-top-right-radius:10px;
}
.table-doc td{
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  color:#3B443F;
  vertical-align:top;
  line-height:1.75;
}
.table-doc tr:last-child td{
  border-bottom:none;
}
.table-doc td strong{
  color:var(--ink);
}
.table-doc tr:hover td{
  background:#F6F0E5;
}
.steps-doc{
  list-style:none;
  counter-reset:stepCount;
  margin:22px 0;
  padding:0;
  display:grid;
  gap:14px;
}
.steps-doc li{
  counter-increment:stepCount;
  background:var(--cream-card);
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px 18px 16px 66px;
  position:relative;
}
.steps-doc li::before{
  content:counter(stepCount,decimal-leading-zero);
  position:absolute;
  left:16px;
  top:15px;
  width:36px;
  height:36px;
  background:var(--accent);
  border-radius:10px;
  color:#fff;
  font-weight:800;
  font-size:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:Georgia,"Times New Roman",serif;
}
.steps-doc strong{
  display:block;
  color:var(--ink);
  font-size:16px;
  margin-bottom:4px;
}
.steps-doc p{
  margin:0;
  color:var(--ink-2);
  font-size:14.5px;
  line-height:1.85;
}
.doc-list-check{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}
.doc-list-check li{
  position:relative;
  padding:4px 2px 4px 34px;
  color:#39423E;
  line-height:1.8;
}
.doc-list-check li::before{
  content:"";
  position:absolute;
  left:2px;
  top:11px;
  width:18px;
  height:18px;
  border-radius:50%;
  background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23B4834F" stroke-width="3.2" stroke-linecap="round" stroke-linejoin="round"><polyline points="20 6 9 17 4 12"/></svg>') no-repeat center/contain;
}
.doc-list-check strong{
  color:var(--ink);
}
/* FAQ */
.faq-heading{
  font-size:clamp(1.45rem,2.6vw,2rem);
  margin:56px 0 6px;
  color:var(--ink);
  font-weight:800;
}
.faq-subhead{
  color:var(--ink-2);
  margin-bottom:30px;
  font-size:15.5px;
}
.faq-doc{
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-question{
  width:100%;
  background:transparent;
  border:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:20px 12px;
  color:var(--ink);
  font-weight:600;
  font-size:17px;
  line-height:1.6;
  cursor:pointer;
  transition:color .2s;
}
.faq-question:hover{
  color:var(--accent);
}
.faq-question:focus-visible{
  outline:2px solid var(--carmel);
  outline-offset:2px;
  border-radius:8px;
}
.faq-question .question-text{
  display:block;
}
.faq-icon{
  flex:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  border-radius:8px;
  background:#EFE7DB;
  color:var(--carmel-deep);
  font-size:18px;
  font-weight:500;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.is-open .faq-icon{
  transform:rotate(45deg);
  background:var(--accent);
  color:#fff;
}
.faq-answer{
  padding:0 12px 22px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.95;
}
.faq-answer p{
  margin:0;
  max-width:760px;
}
.doc-contact-card{
  margin-top:62px;
  border-radius:18px;
  padding:34px;
  background:
    linear-gradient(rgba(23,29,27,.76),rgba(23,29,27,.82)),
    url('/assets/images/backpic/back-5.jpg') center/cover no-repeat;
  color:#EDEDE7;
  position:relative;
  box-shadow:var(--shadow-md);
}
.doc-contact-card .cta-title{
  font-size:clamp(1.3rem,2.3vw,1.9rem);
  margin:0 0 12px;
  color:#fff;
  font-weight:800;
}
.doc-contact-card p{
  color:#C9D1CC;
  max-width:700px;
  margin:0 0 22px;
  font-size:15.5px;
  line-height:1.9;
}
.doc-contact-card .cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.doc-contact-card .btn-light-deep{
  background:#F3F1EA;
  color:var(--dark-deep);
  border-color:#F3F1EA;
}
.doc-contact-card .btn-light-deep:hover{
  background:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-hover);
}
.doc-contact-card .btn-outline-light-deep{
  border-color:rgba(255,255,255,.55);
  color:#EDEDE7;
}
.doc-contact-card .btn-outline-light-deep:hover{
  background:#EDEDE7;
  color:var(--dark-deep);
  border-color:#EDEDE7;
  transform:translateY(-2px);
}
.doc-next{
  margin-top:30px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  padding:20px 0 6px;
}
.doc-next p{
  margin:0;
  color:var(--ink-2);
  max-width:640px;
}
/* 移动端目录 */
.mobile-toc{
  margin:0 0 32px;
}
.mobile-toc-head{
  width:100%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:var(--cream-card);
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 18px;
  color:var(--ink);
  font-weight:600;
  font-size:16px;
}
.mobile-toc-head:hover{
  border-color:var(--carmel);
}
.mobile-toc-head:focus-visible{
  outline:2px solid var(--carmel);
  outline-offset:2px;
}
.mobile-toc-head svg{
  transition:transform .25s;
}
.mobile-toc-head[aria-expanded="true"] svg{
  transform:rotate(180deg);
}
.mobile-toc-list{
  list-style:none;
  margin:10px 0 0;
  padding:10px 12px;
  background:var(--cream-card);
  border:1px solid var(--line);
  border-radius:12px;
  display:grid;
  gap:2px;
}
.mobile-toc-list a{
  display:flex;
  gap:10px;
  padding:9px 8px;
  border-radius:8px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.5;
  border-left:3px solid transparent;
}
.mobile-toc-list a:hover{
  background:#F2ECE1;
  color:var(--ink);
}
.mobile-toc-list .toc-num{
  font-size:12px;
  color:var(--carmel);
  font-weight:800;
}
/* Footer */
.site-footer{
  background:var(--dark-deep);
  color:#C1CAC4;
  padding-top:66px;
  font-size:14.5px;
}
.footer-brand{
  font-size:23px;
  font-weight:800;
  color:#F5F3EC;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-desc{
  color:#A9B2AC;
  line-height:1.9;
  font-size:14.5px;
  max-width:420px;
  margin-bottom:24px;
}
.footer-title{
  font-size:15px;
  color:#F5F3EC;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:18px;
  text-transform:uppercase;
}
.site-footer .footer-links{
  list-style:none;
  padding:0;
  margin:0;
}
.site-footer .footer-links li{
  margin-bottom:9px;
}
.site-footer .footer-links a{
  color:#B9C2BC;
  font-size:14px;
  transition:color .2s,padding-left .2s;
}
.site-footer .footer-links a:hover{
  color:var(--carmel);
  padding-left:4px;
}
.footer-contact .contact-item{
  color:#A9B2AC;
  margin-bottom:10px;
  line-height:1.8;
}
.footer-contact a{
  color:#D8DDD7;
}
.footer-contact a:hover{
  color:var(--carmel);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:44px;
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:12.5px;
  color:#8C9690;
}
@media (max-width: 1199px){
  .doc-grid{
    grid-template-columns:270px minmax(0,1fr);
    gap:38px;
  }
  .header-search-desktop{
    width:190px;
  }
}
@media (max-width: 991.98px){
  .doc-grid{
    grid-template-columns:1fr;
    gap:0;
    padding-top:34px;
  }
  .doc-sidebar{
    display:none;
  }
  .doc-main{
    max-width:100%;
  }
  .doc-title{
    font-size:clamp(1.9rem,5.5vw,2.6rem);
  }
  .header-search-desktop{
    display:none;
  }
}
@media (max-width: 767.98px){
  .header-row{
    min-height:68px;
    gap:12px;
  }
  .brand{
    font-size:20px;
  }
  .brand .brand-mark{
    width:36px;
    height:36px;
    font-size:20px;
  }
  .brand-sub{
    display:none;
  }
  .desktop-nav{
    display:none;
  }
  .doc-grid{
    padding-top:26px;
    padding-bottom:52px;
  }
  .doc-figure img{
    height:220px;
  }
  .doc-contact-card{
    padding:26px 22px;
  }
  .doc-contact-card .cta-actions .btn{
    width:100%;
  }
}
@media (max-width: 575.98px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  .doc-section{
    padding-top:36px;
  }
  .steps-doc li{
    padding-left:16px;
    padding-top:66px;
  }
  .steps-doc li::before{
    top:16px;
    left:16px;
  }
  .table-doc{
    font-size:14px;
  }
  .table-doc th,
  .table-doc td{
    padding:12px 14px;
  }
  .doc-lede{
    font-size:16px;
  }
  .version-trigger span.version-cn{
    display:none;
  }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}