/* roulang page: index */
:root {
            --ink: #292725;
            --muted: #77716d;
            --soft: #9a918b;
            --paper: #f8f5f1;
            --warm: #f1ebe5;
            --white: #fffdfb;
            --rose: #a86f70;
            --rose-dark: #805254;
            --rose-light: #ead7d3;
            --sage: #78877d;
            --line: #e5ddd6;
            --shadow: 0 18px 48px rgba(69, 52, 45, .09);
            --shadow-small: 0 8px 22px rgba(69, 52, 45, .07);
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --container: 1180px;
            --ease: 220ms ease;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            color: var(--ink);
            background: var(--paper);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img { display: block; max-width: 100%; }
        a { color: inherit; text-decoration: none; }
        button, input, textarea { font: inherit; }
        button { cursor: pointer; }
        .container { width: min(var(--container), calc(100% - 64px)); margin: 0 auto; }
        .skip-link {
            position: absolute; left: 16px; top: -60px; z-index: 20;
            padding: 10px 16px; color: #fff; background: var(--rose-dark); border-radius: 8px;
        }
        .skip-link:focus { top: 16px; }

        .site-header {
            position: sticky; top: 0; z-index: 10;
            background: rgba(255, 253, 251, .94);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(14px);
            transition: box-shadow var(--ease);
        }
        .site-header.scrolled { box-shadow: 0 5px 18px rgba(60, 43, 38, .08); }
        .nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
        .brand { display: inline-flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 800; letter-spacing: 0; white-space: nowrap; }
        .brand-mark {
            width: 34px; height: 34px; display: grid; place-items: center;
            color: #fff; background: var(--rose); border-radius: 11px;
            font-size: 16px; font-weight: 800;
        }
        .main-nav { display: flex; align-items: center; gap: 7px; }
        .main-nav a {
            padding: 9px 14px; color: var(--muted); border-radius: 10px;
            transition: color var(--ease), background var(--ease);
        }
        .main-nav a:hover, .main-nav a.active { color: var(--rose-dark); background: var(--rose-light); }
        .nav-action, .button-primary {
            display: inline-flex; align-items: center; justify-content: center; gap: 9px;
            min-height: 46px; padding: 0 21px; color: #fff; background: var(--rose);
            border: 1px solid var(--rose); border-radius: 14px; font-weight: 700;
            box-shadow: 0 7px 16px rgba(168, 111, 112, .2);
            transition: transform var(--ease), background var(--ease), box-shadow var(--ease);
        }
        .nav-action:hover, .button-primary:hover { color: #fff; background: var(--rose-dark); transform: translateY(-2px); box-shadow: 0 11px 22px rgba(128, 82, 84, .22); }
        .button-secondary {
            display: inline-flex; align-items: center; justify-content: center; gap: 9px;
            min-height: 46px; padding: 0 21px; color: var(--rose-dark); background: transparent;
            border: 1px solid var(--rose-light); border-radius: 14px; font-weight: 700;
            transition: background var(--ease), border-color var(--ease), transform var(--ease);
        }
        .button-secondary:hover { background: var(--rose-light); border-color: var(--rose); transform: translateY(-2px); }
        .nav-toggle { display: none; width: 44px; height: 44px; color: var(--ink); background: none; border: 1px solid var(--line); border-radius: 12px; }
        .nav-toggle span, .nav-toggle::before, .nav-toggle::after { content: ""; display: block; width: 19px; height: 2px; margin: 4px auto; background: currentColor; }

        .hero { position: relative; overflow: hidden; padding: 80px 0 58px; background: var(--warm); }
        .hero::after {
            content: ""; position: absolute; width: 390px; height: 390px; right: -160px; top: -150px;
            border: 1px solid rgba(168,111,112,.18); border-radius: 50%;
        }
        .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .95fr) minmax(430px, 1.05fr); align-items: center; gap: 75px; }
        .eyebrow, .section-kicker {
            display: inline-flex; align-items: center; gap: 8px; color: var(--rose-dark);
            font-size: 12px; font-weight: 800; letter-spacing: 1.5px;
        }
        .eyebrow::before, .section-kicker::before { content: ""; width: 24px; height: 1px; background: var(--rose); }
        h1, h2, h3, p { margin-top: 0; }
        h1 { max-width: 650px; margin: 19px 0 22px; font-size: clamp(40px, 5vw, 62px); line-height: 1.16; letter-spacing: 0; font-weight: 800; }
        .hero-copy { max-width: 570px; color: var(--muted); font-size: 18px; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 31px; }
        .hero-note { display: flex; align-items: center; gap: 10px; margin-top: 22px; color: var(--soft); font-size: 13px; }
        .hero-note strong { color: var(--sage); font-weight: 700; }
        .hero-visual { position: relative; min-height: 420px; }
        .hero-image {
            position: absolute; inset: 0 0 0 35px; width: calc(100% - 35px); height: 420px;
            object-fit: cover; border: 9px solid rgba(255,253,251,.72); border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .visual-panel {
            position: absolute; z-index: 2; padding: 18px 20px; background: rgba(255,253,251,.94);
            border: 1px solid rgba(229,221,214,.9); border-radius: var(--radius-md); box-shadow: var(--shadow-small);
        }
        .visual-panel.top { top: 26px; left: 0; }
        .visual-panel.bottom { right: 0; bottom: 25px; min-width: 205px; }
        .panel-label { margin-bottom: 4px; color: var(--soft); font-size: 12px; }
        .panel-value { color: var(--ink); font-weight: 800; }
        .panel-value em { color: var(--rose-dark); font-style: normal; }
        .hero-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 64px; border-top: 1px solid var(--line); }
        .strip-item { padding: 20px 19px 0; color: var(--muted); font-size: 14px; }
        .strip-item strong { display: block; margin-bottom: 2px; color: var(--ink); font-size: 16px; }

        .notice { padding: 20px 0; background: var(--white); border-bottom: 1px solid var(--line); }
        .notice-inner { display: flex; align-items: center; gap: 16px; }
        .notice-icon { width: 38px; height: 38px; flex: 0 0 38px; display: grid; place-items: center; color: var(--sage); background: #e8eee9; border-radius: 50%; font-weight: 800; }
        .notice h2 { margin: 0 11px 0 0; font-size: 15px; display: inline; }
        .notice p { display: inline; margin: 0; color: var(--muted); font-size: 14px; }

        .section { padding: 96px 0; }
        .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 39px; }
        .section-heading h2 { margin: 11px 0 0; font-size: 38px; line-height: 1.25; letter-spacing: 0; }
        .section-intro { max-width: 460px; margin: 0; color: var(--muted); }
        .value-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 20px; }
        .feature-card, .value-card, .article-card, .faq-item, .contact-panel {
            background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md);
            box-shadow: var(--shadow-small); transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
        }
        .feature-card:hover, .value-card:hover, .article-card:hover { transform: translateY(-4px); border-color: var(--rose-light); box-shadow: var(--shadow); }
        .feature-card { min-height: 390px; padding: 37px; position: relative; overflow: hidden; }
        .feature-card::after { content: "69"; position: absolute; right: -6px; bottom: -39px; color: #f4e9e4; font-size: 190px; line-height: 1; font-weight: 800; }
        .feature-card h3 { max-width: 420px; margin: 23px 0 13px; font-size: 28px; line-height: 1.35; position: relative; z-index: 1; }
        .feature-card p { position: relative; z-index: 1; max-width: 430px; color: var(--muted); }
        .mini-link { position: relative; z-index: 1; display: inline-flex; gap: 8px; align-items: center; margin-top: 24px; color: var(--rose-dark); font-weight: 700; }
        .mini-link span { transition: transform var(--ease); }
        .mini-link:hover span { transform: translateX(5px); }
        .value-stack { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .value-card { padding: 26px; }
        .value-card .icon { width: 38px; height: 38px; display: grid; place-items: center; margin-bottom: 22px; color: var(--rose-dark); background: var(--rose-light); border-radius: 12px; font-weight: 800; }
        .value-card h3 { margin-bottom: 8px; font-size: 18px; }
        .value-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

        .story-section { background: #eee8e2; }
        .story-grid { display: grid; grid-template-columns: .83fr 1.17fr; gap: 72px; align-items: center; }
        .story-image { width: 100%; height: 360px; object-fit: cover; border-radius: var(--radius-lg); border: 8px solid rgba(255,253,251,.58); box-shadow: var(--shadow); }
        .story-copy h2 { margin: 12px 0 17px; font-size: 37px; line-height: 1.3; }
        .story-copy > p { color: var(--muted); }
        .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 32px; }
        .step { position: relative; padding: 20px 20px 0 0; border-top: 1px solid #cfc4bc; }
        .step:not(:last-child)::after { content: ""; position: absolute; top: -4px; right: 13px; width: 7px; height: 7px; background: var(--rose); border-radius: 50%; }
        .step-number { color: var(--rose-dark); font-size: 12px; font-weight: 800; }
        .step h3 { margin: 8px 0 6px; font-size: 16px; }
        .step p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

        .updates-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 66px; align-items: start; }
        .updates-side { position: sticky; top: 110px; }
        .updates-side h2 { margin: 12px 0 17px; font-size: 37px; line-height: 1.3; }
        .updates-side p { color: var(--muted); }
        .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
        .tag { padding: 6px 12px; color: var(--rose-dark); background: var(--rose-light); border-radius: 999px; font-size: 12px; }
        .article-list { display: grid; gap: 14px; }
        .article-card { display: grid; grid-template-columns: 155px minmax(0, 1fr); gap: 22px; padding: 15px; }
        .article-thumb { width: 155px; height: 138px; object-fit: cover; border-radius: 13px; }
        .article-meta { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 6px 0 9px; color: var(--soft); font-size: 12px; }
        .article-meta .category { color: var(--rose-dark); }
        .article-card h3 { margin: 0 0 7px; font-size: 19px; line-height: 1.45; }
        .article-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
        .article-card .mini-link { margin-top: 8px; font-size: 13px; }
        .empty-state { padding: 35px; color: var(--muted); background: var(--white); border: 1px dashed var(--rose-light); border-radius: var(--radius-md); text-align: center; }
        .empty-state strong { display: block; margin-bottom: 5px; color: var(--ink); }

        .faq-section { background: var(--warm); }
        .faq-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: start; }
        .faq-heading h2 { margin: 12px 0 16px; font-size: 37px; line-height: 1.3; }
        .faq-heading p { color: var(--muted); }
        .faq-list { display: grid; gap: 10px; }
        .faq-item { overflow: hidden; box-shadow: none; }
        .faq-question { width: 100%; padding: 19px 22px; display: flex; justify-content: space-between; gap: 20px; color: var(--ink); background: var(--white); border: 0; text-align: left; font-weight: 700; }
        .faq-question::after { content: "+"; color: var(--rose); font-size: 23px; line-height: 1; transition: transform var(--ease); }
        .faq-item.open .faq-question::after { transform: rotate(45deg); }
        .faq-answer { display: none; padding: 0 22px 20px; color: var(--muted); background: var(--white); font-size: 14px; }
        .faq-item.open .faq-answer { display: block; }

        .cta-section { padding: 78px 0; }
        .cta-box { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 45px 52px; background: var(--rose-light); border-radius: var(--radius-lg); }
        .cta-box h2 { margin: 0 0 8px; font-size: 31px; line-height: 1.3; }
        .cta-box p { margin: 0; color: var(--rose-dark); }
        .cta-actions { display: flex; flex-wrap: wrap; gap: 11px; flex: 0 0 auto; }

        .site-footer { padding: 54px 0 24px; color: #d9cfca; background: #373332; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 55px; padding-bottom: 42px; }
        .footer-brand { color: #fff; }
        .footer-description { max-width: 330px; margin: 18px 0 0; color: #b9aeaa; font-size: 14px; }
        .footer-title { margin: 0 0 14px; color: #fff; font-size: 14px; }
        .footer-links { display: grid; gap: 8px; }
        .footer-links a { color: #b9aeaa; font-size: 14px; transition: color var(--ease); }
        .footer-links a:hover { color: #edc4be; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #998e89; font-size: 12px; }
        :focus-visible { outline: 3px solid rgba(168,111,112,.45); outline-offset: 3px; }

        @media (max-width: 1024px) {
            .container { width: min(var(--container), calc(100% - 48px)); }
            .hero-grid, .story-grid, .updates-layout, .faq-layout { gap: 42px; }
            .hero-grid { grid-template-columns: 1fr; }
            .hero-copy { max-width: 680px; }
            .hero-visual { max-width: 700px; width: 100%; }
            .updates-side { position: static; }
        }
        @media (max-width: 768px) {
            .container { width: min(var(--container), calc(100% - 32px)); }
            .nav-wrap { min-height: 68px; }
            .nav-toggle { display: block; }
            .main-nav {
                display: none; position: absolute; left: 16px; right: 16px; top: 76px;
                padding: 10px; flex-direction: column; align-items: stretch; background: var(--white);
                border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow);
            }
            .main-nav.open { display: flex; }
            .main-nav a { padding: 12px 14px; }
            .nav-action { display: none; }
            .hero { padding: 56px 0 42px; }
            h1 { font-size: 40px; }
            .hero-strip { grid-template-columns: repeat(2, 1fr); margin-top: 45px; }
            .strip-item { padding: 17px 12px 0 0; }
            .section { padding: 65px 0; }
            .section-heading { display: block; margin-bottom: 28px; }
            .section-heading h2, .story-copy h2, .updates-side h2, .faq-heading h2 { font-size: 30px; }
            .section-intro { margin-top: 14px; }
            .value-layout, .story-grid, .updates-layout, .faq-layout { grid-template-columns: 1fr; }
            .story-image { height: 280px; }
            .steps { grid-template-columns: repeat(2, 1fr); gap: 24px 12px; }
            .step { padding-right: 10px; }
            .step:not(:last-child)::after { display: none; }
            .cta-box { display: block; padding: 34px 27px; }
            .cta-actions { margin-top: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .footer-grid > :first-child { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .hero-visual { min-height: 315px; }
            .hero-image { height: 315px; inset: 0; width: 100%; border-width: 6px; }
            .visual-panel { padding: 13px 15px; }
            .visual-panel.top { top: 16px; left: 10px; }
            .visual-panel.bottom { right: 10px; bottom: 15px; min-width: 170px; }
            h1 { margin-top: 14px; font-size: 34px; }
            .hero-copy { font-size: 16px; }
            .hero-actions, .cta-actions { display: grid; }
            .button-primary, .button-secondary { width: 100%; }
            .notice-inner { align-items: flex-start; }
            .notice h2, .notice p { display: block; margin: 0; }
            .notice h2 { margin-bottom: 3px; }
            .value-stack { grid-template-columns: 1fr; }
            .feature-card { min-height: 325px; padding: 27px; }
            .article-card { grid-template-columns: 1fr; gap: 14px; }
            .article-thumb { width: 100%; height: 180px; }
            .steps { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-grid > :first-child { grid-column: auto; }
            .footer-bottom { display: block; }
            .footer-bottom span { display: block; margin-top: 7px; }
        }

/* roulang page: article */
:root {
            --ink: #292725;
            --muted: #77716d;
            --soft: #9a918b;
            --paper: #f8f5f1;
            --warm: #f1ebe5;
            --white: #fffdfb;
            --rose: #a86f70;
            --rose-dark: #805254;
            --rose-light: #ead7d3;
            --sage: #78877d;
            --sage-light: #e7ece7;
            --apricot: #f2dfcf;
            --line: #e5ddd6;
            --line-strong: #d8cbc2;
            --shadow: 0 18px 48px rgba(69, 52, 45, .09);
            --shadow-small: 0 8px 22px rgba(69, 52, 45, .07);
            --radius-lg: 28px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --container: 1180px;
            --ease: 220ms ease;
        }

        * { box-sizing: border-box; }

        html { scroll-behavior: smooth; }

        body {
            margin: 0;
            color: var(--ink);
            background:
                radial-gradient(circle at 12% 10%, rgba(234, 215, 211, .52), transparent 32%),
                radial-gradient(circle at 88% 18%, rgba(242, 223, 207, .42), transparent 30%),
                var(--paper);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

        button, input, textarea { font: inherit; }

        button { cursor: pointer; }

        ::selection { background: var(--rose-light); color: var(--rose-dark); }

        :focus-visible {
            outline: 3px solid rgba(168, 111, 112, .32);
            outline-offset: 3px;
        }

        .container {
            width: min(var(--container), calc(100% - 64px));
            margin: 0 auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 253, 251, .94);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(14px);
            transition: box-shadow var(--ease), background var(--ease);
        }

        .site-header.scrolled {
            box-shadow: 0 5px 18px rgba(60, 43, 38, .08);
            background: rgba(255, 253, 251, .98);
        }

        .nav-wrap {
            min-height: 78px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            white-space: nowrap;
        }

        .brand:hover { color: var(--rose-dark); }

        .brand-mark {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            color: #fff;
            background: var(--rose);
            border-radius: 11px;
            font-size: 16px;
            font-weight: 800;
            box-shadow: 0 8px 18px rgba(168, 111, 112, .22);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .main-nav a {
            padding: 9px 14px;
            color: var(--muted);
            border-radius: 10px;
            transition: color var(--ease), background var(--ease);
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--rose-dark);
            background: var(--rose-light);
        }

        .nav-action,
        .button-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 0 21px;
            color: #fff;
            background: var(--rose);
            border: 1px solid var(--rose);
            border-radius: 14px;
            font-weight: 700;
            box-shadow: 0 7px 16px rgba(168, 111, 112, .2);
            transition: transform var(--ease), background var(--ease), box-shadow var(--ease), border-color var(--ease);
        }

        .nav-action:hover,
        .button-primary:hover {
            color: #fff;
            background: var(--rose-dark);
            border-color: var(--rose-dark);
            transform: translateY(-2px);
            box-shadow: 0 11px 22px rgba(128, 82, 84, .22);
        }

        .button-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 0 21px;
            color: var(--rose-dark);
            background: transparent;
            border: 1px solid var(--rose-light);
            border-radius: 14px;
            font-weight: 700;
            transition: background var(--ease), border-color var(--ease), transform var(--ease), color var(--ease);
        }

        .button-secondary:hover {
            color: var(--rose-dark);
            background: var(--rose-light);
            border-color: var(--rose);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            color: var(--ink);
            background: none;
            border: 1px solid var(--line);
            border-radius: 12px;
            transition: background var(--ease), border-color var(--ease);
        }

        .nav-toggle:hover {
            background: var(--warm);
            border-color: var(--line-strong);
        }

        .nav-toggle span,
        .nav-toggle::before,
        .nav-toggle::after {
            content: "";
            display: block;
            width: 19px;
            height: 2px;
            margin: 4px auto;
            background: currentColor;
            border-radius: 99px;
            transition: transform var(--ease), opacity var(--ease);
        }

        .nav-toggle.is-open::before { transform: translateY(6px) rotate(45deg); }

        .nav-toggle.is-open span { opacity: 0; }

        .nav-toggle.is-open::after { transform: translateY(-6px) rotate(-45deg); }

        .page-hero {
            position: relative;
            overflow: hidden;
            padding: 50px 0 42px;
            background:
                linear-gradient(115deg, rgba(241, 235, 229, .96), rgba(255, 253, 251, .74)),
                url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
            border-bottom: 1px solid var(--line);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            right: -170px;
            top: -190px;
            border: 1px solid rgba(168, 111, 112, .18);
            border-radius: 50%;
        }

        .breadcrumb {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin: 0 0 22px;
            color: var(--soft);
            font-size: 13px;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color var(--ease);
        }

        .breadcrumb a:hover { color: var(--rose-dark); }

        .breadcrumb .separator { color: var(--line-strong); }

        .breadcrumb .current {
            max-width: 520px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            color: var(--rose-dark);
        }

        .article-head {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1fr) 360px;
            align-items: end;
            gap: 48px;
        }

        .article-labels {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }

        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            min-height: 28px;
            padding: 4px 11px;
            color: var(--rose-dark);
            background: rgba(234, 215, 211, .82);
            border: 1px solid rgba(168, 111, 112, .16);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 800;
        }

        .badge-sage {
            color: #53675c;
            background: var(--sage-light);
            border-color: rgba(120, 135, 125, .18);
        }

        h1 {
            margin: 0;
            max-width: 820px;
            font-size: clamp(28px, 4vw, 44px);
            line-height: 1.2;
            letter-spacing: -.03em;
            font-weight: 800;
        }

        .article-summary {
            max-width: 780px;
            margin: 22px 0 0;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.9;
        }

        .article-cover-card {
            position: relative;
            overflow: hidden;
            border: 8px solid rgba(255, 253, 251, .72);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            background: var(--white);
        }

        .article-cover-card img {
            width: 100%;
            height: 245px;
            object-fit: cover;
        }

        .cover-caption {
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 16px;
            padding: 12px 14px;
            color: var(--ink);
            background: rgba(255, 253, 251, .9);
            border: 1px solid rgba(229, 221, 214, .72);
            border-radius: 16px;
            backdrop-filter: blur(10px);
            font-size: 13px;
            box-shadow: 0 8px 18px rgba(69, 52, 45, .08);
        }

        .content-shell {
            padding: 72px 0 96px;
        }

        .reading-layout {
            display: grid;
            grid-template-columns: minmax(0, 820px) 300px;
            align-items: start;
            gap: 44px;
        }

        .article-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-small);
        }

        .article-body {
            padding: 44px 48px;
        }

        .article-body::before {
            content: "";
            display: block;
            width: 58px;
            height: 3px;
            margin-bottom: 28px;
            background: var(--rose);
            border-radius: 999px;
        }

        .article-body,
        .article-body p {
            color: #3d3834;
            font-size: 17px;
            line-height: 1.95;
        }

        .article-body p { margin: 0 0 21px; }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--ink);
            line-height: 1.35;
            font-weight: 800;
        }

        .article-body h2 {
            margin: 42px 0 17px;
            padding-top: 8px;
            font-size: 28px;
            letter-spacing: -.02em;
        }

        .article-body h3 {
            margin: 34px 0 14px;
            font-size: 22px;
        }

        .article-body h4 {
            margin: 28px 0 12px;
            font-size: 18px;
        }

        .article-body ul,
        .article-body ol {
            margin: 18px 0 24px;
            padding-left: 22px;
        }

        .article-body li {
            margin: 8px 0;
            padding-left: 4px;
        }

        .article-body a {
            color: var(--rose-dark);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
            transition: color var(--ease), background var(--ease);
        }

        .article-body a:hover {
            color: var(--ink);
            background: var(--rose-light);
        }

        .article-body blockquote {
            margin: 28px 0;
            padding: 20px 24px;
            color: var(--muted);
            background: rgba(241, 235, 229, .72);
            border-left: 4px solid var(--rose);
            border-radius: 0 18px 18px 0;
        }

        .article-body blockquote p:last-child { margin-bottom: 0; }

        .article-body img {
            width: auto;
            max-width: 100%;
            margin: 30px auto;
            border: 1px solid var(--line);
            border-radius: 20px;
            box-shadow: var(--shadow-small);
        }

        .article-body table {
            width: 100%;
            margin: 28px 0;
            border-collapse: separate;
            border-spacing: 0;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: 16px;
            background: var(--white);
        }

        .article-body th,
        .article-body td {
            padding: 13px 15px;
            border-bottom: 1px solid var(--line);
            color: var(--muted);
            font-size: 15px;
            vertical-align: top;
        }

        .article-body th {
            color: var(--ink);
            background: var(--warm);
            font-weight: 800;
        }

        .article-body tr:last-child td { border-bottom: 0; }

        .article-body pre {
            overflow-x: auto;
            margin: 28px 0;
            padding: 18px 20px;
            color: #473e3a;
            background: #f2ece6;
            border: 1px solid var(--line);
            border-radius: 18px;
        }

        .article-body code {
            padding: 2px 6px;
            background: var(--warm);
            border-radius: 8px;
            color: var(--rose-dark);
        }

        .table-wrap {
            width: 100%;
            overflow-x: auto;
        }

        .not-found-panel {
            padding: 58px 48px;
            text-align: center;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-small);
        }

        .not-found-icon {
            width: 62px;
            height: 62px;
            display: grid;
            place-items: center;
            margin: 0 auto 18px;
            color: var(--rose-dark);
            background: var(--rose-light);
            border-radius: 20px;
            font-size: 28px;
            font-weight: 800;
        }

        .not-found-panel h1 {
            max-width: none;
            font-size: 34px;
        }

        .not-found-panel p {
            max-width: 520px;
            margin: 16px auto 28px;
            color: var(--muted);
        }

        .reading-sidebar {
            position: sticky;
            top: 104px;
            display: grid;
            gap: 18px;
        }

        .side-card {
            padding: 22px;
            background: rgba(255, 253, 251, .88);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-small);
        }

        .side-card h2,
        .side-card h3 {
            margin: 0 0 12px;
            font-size: 18px;
            line-height: 1.35;
            font-weight: 800;
        }

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

        .side-list {
            display: grid;
            gap: 10px;
            margin: 14px 0 0;
            padding: 0;
            list-style: none;
        }

        .side-list li {
            display: flex;
            gap: 10px;
            color: var(--muted);
            font-size: 14px;
        }

        .side-list li::before {
            content: "";
            flex: 0 0 auto;
            width: 7px;
            height: 7px;
            margin-top: 10px;
            background: var(--rose);
            border-radius: 99px;
        }

        .mini-meta {
            display: grid;
            gap: 12px;
            margin-top: 16px;
        }

        .mini-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 10px 0;
            border-top: 1px solid var(--line);
            color: var(--muted);
            font-size: 13px;
        }

        .mini-meta-row strong {
            color: var(--ink);
            font-size: 13px;
        }

        .section {
            padding: 0 0 96px;
        }

        .section-heading {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 30px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--rose-dark);
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 1.5px;
        }

        .section-kicker::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--rose);
        }

        .section-heading h2 {
            margin: 10px 0 0;
            font-size: 34px;
            line-height: 1.25;
            letter-spacing: -.03em;
            font-weight: 800;
        }

        .section-intro {
            max-width: 470px;
            margin: 0;
            color: var(--muted);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            min-height: 210px;
            padding: 22px;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-small);
            transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease);
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--rose-light);
            background: #fff;
            box-shadow: var(--shadow);
        }

        .related-card .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
            color: var(--soft);
            font-size: 12px;
        }

        .related-card h3 {
            margin: 0;
            font-size: 19px;
            line-height: 1.45;
            font-weight: 800;
        }

        .related-card p {
            margin: 12px 0 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: auto;
            color: var(--rose-dark);
            font-weight: 800;
            transition: gap var(--ease), color var(--ease);
        }

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

        .guide-panel {
            display: grid;
            grid-template-columns: .95fr 1.05fr;
            gap: 30px;
            align-items: stretch;
            padding: 28px;
            background: linear-gradient(135deg, rgba(255, 253, 251, .92), rgba(241, 235, 229, .86));
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-small);
        }

        .guide-image {
            overflow: hidden;
            min-height: 280px;
            border-radius: 24px;
            border: 1px solid var(--line);
            background: var(--warm);
        }

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

        .guide-content {
            align-self: center;
            padding: 10px 8px;
        }

        .guide-content h2 {
            margin: 10px 0 14px;
            font-size: 32px;
            line-height: 1.28;
            font-weight: 800;
            letter-spacing: -.03em;
        }

        .guide-content p {
            margin: 0 0 18px;
            color: var(--muted);
        }

        .guide-steps {
            display: grid;
            gap: 12px;
            margin-top: 20px;
        }

        .guide-step {
            display: grid;
            grid-template-columns: 34px 1fr;
            gap: 12px;
            align-items: start;
            padding: 14px;
            background: rgba(255, 253, 251, .76);
            border: 1px solid var(--line);
            border-radius: 16px;
        }

        .step-num {
            width: 34px;
            height: 34px;
            display: grid;
            place-items: center;
            color: #fff;
            background: var(--rose);
            border-radius: 12px;
            font-size: 13px;
            font-weight: 800;
        }

        .guide-step strong {
            display: block;
            margin-bottom: 2px;
            font-size: 15px;
        }

        .guide-step span {
            color: var(--muted);
            font-size: 13px;
        }

        .cta-band {
            margin-bottom: 0;
            padding: 42px;
            background:
                linear-gradient(135deg, rgba(168, 111, 112, .12), rgba(242, 223, 207, .78)),
                var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .cta-inner h2 {
            margin: 0 0 10px;
            font-size: 32px;
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: -.03em;
        }

        .cta-inner p {
            max-width: 610px;
            margin: 0;
            color: var(--muted);
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            flex: 0 0 auto;
        }

        .site-footer {
            padding: 58px 0 28px;
            color: rgba(255, 253, 251, .78);
            background: #34302d;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr .75fr .75fr;
            gap: 54px;
            padding-bottom: 38px;
            border-bottom: 1px solid rgba(255,255,255,.12);
        }

        .footer-brand {
            color: #fff;
            margin-bottom: 18px;
        }

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

        .footer-description {
            max-width: 420px;
            margin: 0;
            color: rgba(255, 253, 251, .68);
        }

        .footer-title {
            margin: 0 0 14px;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
        }

        .footer-links {
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            width: fit-content;
            color: rgba(255, 253, 251, .68);
            transition: color var(--ease), transform var(--ease);
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            padding-top: 24px;
            color: rgba(255, 253, 251, .58);
            font-size: 13px;
        }

        @media (max-width: 1024px) {
            .container { width: min(var(--container), calc(100% - 48px)); }

            .nav-wrap { gap: 18px; }

            .main-nav { gap: 2px; }

            .main-nav a { padding: 8px 10px; }

            .nav-action { display: none; }

            .article-head {
                grid-template-columns: 1fr;
                align-items: start;
            }

            .article-cover-card {
                max-width: 540px;
            }

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

            .reading-sidebar {
                position: static;
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

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

            .guide-panel {
                grid-template-columns: 1fr;
            }

            .guide-image {
                min-height: 240px;
            }
        }

        @media (max-width: 768px) {
            body { font-size: 15px; }

            .container { width: min(var(--container), calc(100% - 32px)); }

            .site-header { position: sticky; }

            .nav-wrap {
                min-height: 68px;
                flex-wrap: wrap;
                gap: 12px;
            }

            .brand { font-size: 16px; }

            .brand-mark {
                width: 32px;
                height: 32px;
                border-radius: 10px;
                font-size: 15px;
            }

            .nav-toggle {
                display: block;
                margin-left: auto;
            }

            .main-nav {
                order: 5;
                display: none;
                width: 100%;
                padding: 10px;
                margin-bottom: 12px;
                background: var(--white);
                border: 1px solid var(--line);
                border-radius: 18px;
                box-shadow: var(--shadow-small);
            }

            .main-nav.is-open {
                display: grid;
                grid-template-columns: 1fr;
            }

            .main-nav a {
                padding: 12px 13px;
            }

            .page-hero {
                padding: 34px 0 32px;
            }

            .breadcrumb .current {
                max-width: 250px;
            }

            .article-summary {
                font-size: 16px;
            }

            .article-cover-card img {
                height: 210px;
            }

            .content-shell {
                padding: 48px 0 70px;
            }

            .article-body {
                padding: 30px 22px;
            }

            .article-body,
            .article-body p {
                font-size: 16px;
                line-height: 1.9;
            }

            .article-body h2 {
                font-size: 24px;
            }

            .article-body h3 {
                font-size: 20px;
            }

            .reading-sidebar,
            .related-grid {
                grid-template-columns: 1fr;
            }

            .section {
                padding-bottom: 70px;
            }

            .section-heading {
                display: block;
            }

            .section-heading h2,
            .guide-content h2,
            .cta-inner h2 {
                font-size: 27px;
            }

            .section-intro {
                margin-top: 12px;
            }

            .cta-band {
                padding: 28px 22px;
            }

            .cta-inner {
                display: block;
            }

            .cta-actions {
                margin-top: 22px;
            }

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

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

        @media (max-width: 520px) {
            .container { width: min(var(--container), calc(100% - 28px)); }

            .breadcrumb .current {
                max-width: 190px;
            }

            .button-primary,
            .button-secondary {
                width: 100%;
                min-height: 48px;
            }

            .article-cover-card {
                border-width: 5px;
                border-radius: 22px;
            }

            .cover-caption {
                left: 10px;
                right: 10px;
                bottom: 10px;
            }

            .not-found-panel {
                padding: 42px 20px;
            }

            .not-found-panel h1 {
                font-size: 28px;
            }

            .side-card,
            .related-card {
                padding: 20px;
            }

            .guide-panel {
                padding: 18px;
            }

            .guide-step {
                grid-template-columns: 30px 1fr;
            }

            .step-num {
                width: 30px;
                height: 30px;
                border-radius: 10px;
            }

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

/* 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}