/* roulang page: index */
:root{
  --c-primary:#0E7D72;
  --c-primary-dark:#0A5A52;
  --c-primary-light:rgba(14,125,114,.08);
  --c-gold:#C99A3B;
  --c-action:#FF6A4E;
  --c-action-dark:#E85338;
  --c-bg:#F7F8F5;
  --c-bg-2:#EEF1EC;
  --c-card:#FFFFFF;
  --c-dark:#101B18;
  --c-dark-2:#16251F;
  --c-text:#17231F;
  --c-text-2:#5B6C64;
  --c-text-3:#8A9890;
  --c-line:#DDE5E0;
  --c-soft-line:rgba(18,45,40,.08);
  --radius-btn:9px;
  --radius-thumb:14px;
  --radius-card:16px;
  --radius-large:20px;
  --shadow-card:0 2px 10px rgba(18,45,40,.05);
  --shadow-card-hover:0 14px 30px rgba(18,45,40,.1);
  --shadow-btn:0 8px 20px rgba(255,106,78,.25);
  --header-h:76px;
  --spacer-section:clamp(62px,8vw,106px);
  --font-stack:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-text);font-family:var(--font-stack);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
a:hover{color:var(--c-primary-dark)}
button{font-family:inherit;border:0;background:transparent;cursor:pointer;padding:0}
ul,ol,dl,dd,p,figure,blockquote{margin:0;padding:0}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;line-height:1.35;color:var(--c-text)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-999px;top:8px;z-index:100;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:8px;font-weight:600}
.skip-link:focus{left:8px}
:focus-visible{outline:3px solid rgba(14,125,114,.55);outline-offset:3px;border-radius:4px}
.icon{line-height:0}
section{scroll-margin-top:96px}

/* 按钮体系 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;line-height:1.2;border:1.5px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;position:relative}
.btn i{font-size:16px}
.btn-primary{background:var(--c-action);border-color:var(--c-action);color:#fff;box-shadow:var(--shadow-btn)}
.btn-primary:hover{background:var(--c-action-dark);border-color:var(--c-action-dark);color:#fff;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,78,.2)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-primary);box-shadow:0 2px 8px rgba(18,45,40,.04)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-dark);background:rgba(14,125,114,.05);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;border-color:#fff;color:var(--c-dark)}
.btn-light:hover{background:var(--c-bg-2);border-color:var(--c-bg-2);color:var(--c-dark)}
.btn-dark{background:var(--c-dark);border-color:var(--c-dark);color:#fff}
.btn-dark:hover{background:#24372f;border-color:#24372f;color:#fff}
.btn-lg{min-height:54px;padding:0 34px;font-size:17px;border-radius:10px}
.btn-block{width:100%}

/* 标签 / 徽章 */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase;padding:6px 14px;background:rgba(14,125,114,.09);border-radius:999px}
.eyebrow-light{color:#9EE0D5;background:rgba(255,255,255,.1)}
.badge{display:inline-flex;align-items:center;gap:6px;min-height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1}
.badge-gold{background:rgba(201,154,59,.14);color:#a67c24}
.badge-primary{background:rgba(14,125,114,.12);color:var(--c-primary-dark)}
.badge-coral{background:rgba(255,106,78,.13);color:var(--c-action-dark)}
.tag{display:inline-flex;align-items:center;min-height:24px;padding:0 10px;border-radius:6px;background:var(--c-bg-2);color:var(--c-text-2);font-size:13px;font-weight:600;line-height:1.3}
.tag:hover{background:var(--c-primary);color:#fff}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--c-line),0 4px 18px rgba(18,45,40,.04);transition:box-shadow .25s ease}
.site-header.scrolled{box-shadow:0 6px 26px rgba(18,45,40,.08)}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h)}
.logo-wrap{display:flex;align-items:center;flex-shrink:0}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--c-text);line-height:1.2}
.logo i{color:var(--c-primary);font-size:22px}
.logo:hover{color:var(--c-primary)}
.logo span{color:var(--c-primary);font-size:14px;font-weight:700;background:var(--c-primary-light);border-radius:999px;padding:2px 8px;letter-spacing:.02em}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:8px}
.nav-list{list-style:none;display:flex;gap:2px;align-items:center;margin:0}
.nav-list li{margin:0}
.nav-list a{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;font-size:15px;font-weight:600;color:var(--c-text-2);border-radius:8px;position:relative}
.nav-list a i{font-size:13px;color:var(--c-text-3)}
.nav-list a:hover,.nav-list a.active{color:var(--c-primary)}
.nav-list a.active{background:rgba(14,125,114,.06)}
.mega-trigger-wrap{display:flex;align-items:center;flex-shrink:0;margin-left:4px}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 18px;border:1.5px solid var(--c-line);border-radius:999px;font-size:14px;font-weight:700;color:var(--c-text);transition:border-color .2s ease,background-color .2s ease,color .2s ease;background:#fff}
.mega-trigger i{margin-left:4px;font-size:12px;transition:transform .25s ease}
.mega-trigger:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,125,114,.04)}
.mega-trigger[aria-expanded="true"]{border-color:var(--c-primary);color:var(--c-primary)}
.mega-trigger[aria-expanded="true"] i{transform:rotate(180deg)}
.mega-panel{position:absolute;left:0;right:0;top:100%;visibility:hidden;opacity:0;transform:translateY(-8px);transition:all .25s ease;pointer-events:none;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 20px 40px rgba(18,45,40,.1);border-radius:0 0 18px 18px}
.mega-panel.open{visibility:visible;opacity:1;transform:translateY(0);pointer-events:auto}
.mega-inner{display:grid;grid-template-columns:1.1fr 1.4fr .9fr;gap:36px;padding:34px 24px 38px;max-width:1200px;margin:0 auto}
.mega-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-text-3);margin-bottom:18px;text-transform:uppercase}
.mega-title i{color:var(--c-primary)}
.mega-links{list-style:none;display:flex;flex-direction:column;gap:14px}
.mega-links a{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);font-weight:600;font-size:15px}
.mega-links a span{color:var(--c-text-3);font-weight:400;font-size:13px}
.mega-links a i{font-size:12px;color:var(--c-primary)}
.mega-links a:hover{color:var(--c-primary)}
.mega-entries{display:flex;flex-direction:column;gap:14px}
.mega-entry{display:flex;gap:14px;background:var(--c-bg);border:1px solid var(--c-soft-line);border-radius:12px;padding:12px;transition:box-shadow .2s,transform .2s}
.mega-entry:hover{background:#fff;box-shadow:var(--shadow-card);transform:translateY(-2px)}
.mega-entry-thumb{width:58px;height:44px;border-radius:8px;object-fit:cover;background:var(--c-bg-2);flex-shrink:0}
.mega-entry strong{font-size:14px;font-weight:700;display:block;line-height:1.4}
.mega-entry span{font-size:12px;color:var(--c-text-3);display:block;margin-top:4px}
.mega-download{background:var(--c-dark);border-radius:16px;padding:22px;color:#dcebe6;position:relative;overflow:hidden}
.mega-download::after{content:"";position:absolute;right:-30px;top:-30px;width:100px;height:100px;background:rgba(14,125,114,.3);filter:blur(2px);border-radius:50%}
.mega-download p{margin:6px 0 18px;font-size:13px;line-height:1.6;color:#a8c2ba}
.mega-download a{background:var(--c-action);color:#fff;border-radius:8px;display:inline-flex;height:40px;align-items:center;padding:0 18px;font-size:14px;font-weight:700;position:relative;z-index:2}
.mega-download a:hover{background:var(--c-action-dark);color:#fff}
.nav-toggle{display:none;width:46px;height:46px;align-items:center;justify-content:center;border-radius:10px;background:var(--c-bg-2);color:var(--c-text);font-size:19px;flex-shrink:0}
.nav-toggle:hover{background:var(--c-primary);color:#fff}
.nav-toggle i{line-height:0}
.nav-toggle[aria-expanded="true"] .fa-bars::before{content:"\f00d"}

/* Hero */
.hero{position:relative;padding:clamp(50px,7vw,92px) 0 92px;margin-top:0;overflow:hidden;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:rgba(247,248,245,.86)}
.hero::after{content:"";position:absolute;left:-8%;bottom:-12%;width:480px;height:300px;background:radial-gradient(circle,rgba(14,125,114,.09),transparent 70%);pointer-events:none}
.hero-inner{position:relative;z-index:2}
.hero-copy{max-width:580px}
.hero h1{font-size:clamp(34px,5vw,50px);font-weight:800;line-height:1.22;margin:22px 0 16px;letter-spacing:-.02em}
.hero h1 .accent{color:var(--c-primary)}
.hero-sub{font-size:17px;line-height:1.85;color:var(--c-text-2);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.hero-meta .hero-meta-item{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--c-soft-line);border-radius:999px;padding:8px 15px;font-size:13px;font-weight:600;color:var(--c-text-2);box-shadow:0 3px 12px rgba(18,45,40,.04)}
.hero-meta .hero-meta-item i{color:var(--c-primary)}
.hero-device-wrap{width:100%;max-width:570px;margin-left:auto;position:relative}
.hero-device-main{background:#fff;border-radius:20px;padding:12px 12px 14px;box-shadow:0 20px 50px rgba(18,45,40,.13),0 4px 12px rgba(18,45,40,.05);border:1px solid var(--c-soft-line)}
.browser-chrome{display:flex;align-items:center;gap:8px;padding:0 4px 12px;border-bottom:1px solid var(--c-bg-2);margin-bottom:10px}
.browser-chrome span{width:10px;height:10px;border-radius:50%;background:#E7BDB2}
.browser-chrome span:nth-child(2){background:#E0D5B0}
.browser-chrome span:nth-child(3){background:#B4D3CE}
.browser-bar{flex:1;margin-left:6px;height:25px;background:var(--c-bg);border-radius:6px;display:flex;align-items:center;padding:0 10px;font-size:11px;color:var(--c-text-3)}
.browser-bar i{margin-right:6px;color:var(--c-primary)}
.device-screen{border-radius:12px;overflow:hidden;background:var(--c-bg-2)}
.device-screen img{width:100%;height:auto;min-height:240px;object-fit:cover;aspect-ratio:16/10}
.hero-card-float{position:absolute;bottom:-26px;left:-22px;background:#fff;border-radius:14px;box-shadow:0 16px 36px rgba(18,45,40,.16);border:1px solid var(--c-soft-line);padding:13px 18px;display:flex;align-items:center;gap:14px;z-index:3;max-width:250px}
.hero-card-float .float-icon{width:40px;height:40px;border-radius:10px;background:var(--c-primary-light);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.hero-card-float strong{font-size:14px;display:block;color:var(--c-text)}
.hero-card-float span{font-size:12px;color:var(--c-text-3);display:block}

/* 通用 section */
.section{padding:var(--spacer-section) 0}
.section-bg-light{background:var(--c-bg-2)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(27px,4vw,36px);font-weight:800;line-height:1.35;margin:16px 0 12px;letter-spacing:-.01em}
.section-head p{font-size:16px;color:var(--c-text-2);line-height:1.8}
.section-head .eyebrow{margin-bottom:2px}

/* 功能截图轮播 */
.slider-shell{position:relative;background:#fff;border-radius:var(--radius-large);box-shadow:var(--shadow-card);border:1px solid var(--c-soft-line);overflow:hidden;padding:26px 26px 34px}
.slider-controls-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.slider-count{font-size:14px;font-weight:600;color:var(--c-text-3)}
.slider-count b{color:var(--c-primary);font-size:20px;margin-right:3px}
.slider-arrows{display:flex;gap:9px}
.slider-arrow{width:44px;height:44px;border-radius:10px;background:var(--c-bg-2);display:flex;align-items:center;justify-content:center;color:var(--c-text);font-size:14px;transition:all .2s ease}
.slider-arrow:hover{background:var(--c-primary);color:#fff;box-shadow:0 6px 14px rgba(14,125,114,.3)}
.slider-arrow:disabled{opacity:.45;cursor:not-allowed}
.slider-track-wrap{overflow:hidden}
.slider-track{display:flex;transition:transform .45s ease}
.slider-slide{flex:0 0 100%;width:100%}
.slide-grid{display:flex;align-items:center;flex-wrap:wrap}
.slide-copy{flex:0 0 38%;max-width:38%;padding-right:34px}
.slide-copy h3{font-size:24px;font-weight:800;line-height:1.4;margin-bottom:10px}
.slide-copy p{color:var(--c-text-2);font-size:15px;margin-bottom:22px}
.slide-copy .feature-tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.slide-view{flex:0 0 62%;max-width:62%}
.slide-view .browser-window{border-radius:16px;border:1px solid var(--c-soft-line);overflow:hidden;background:#fff;box-shadow:0 14px 25px rgba(18,45,40,.08)}
.browser-window .window-top{display:flex;align-items:center;gap:6px;height:42px;background:var(--c-bg);padding:0 14px;border-bottom:1px solid var(--c-line)}
.browser-window .window-top i{font-size:11px;color:var(--c-text-3)}
.window-top .url-box{margin-left:10px;flex:1;height:24px;background:#fff;border-radius:5px;font-size:12px;color:var(--c-text-3);display:flex;align-items:center;padding:0 10px;border:1px solid var(--c-line)}
.window-top .url-box i{margin-right:5px;color:var(--c-primary)}
.slide-view .view-shot img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-bg-2)}
.slider-dots{display:flex;justify-content:center;gap:9px;margin-top:22px}
.slider-dots button{width:8px;height:8px;border-radius:999px;background:#c8d4cf;transition:all .25s ease;padding:0}
.slider-dots button.active{width:24px;background:var(--c-gold)}
.slider-dots button:hover{background:var(--c-primary)}

/* 系统要求 */
.require-section .container{position:relative}
.require-intro{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;background:var(--c-dark);border-radius:18px;padding:14px 24px;margin-bottom:30px}
.require-intro p{color:#dcebe6;display:flex;align-items:center;gap:12px;font-size:14px}
.require-intro p i{color:#9EE0D5;font-size:18px}
.require-intro a{color:#fff;background:var(--c-primary);padding:10px 18px;border-radius:8px;font-size:13px;font-weight:700;display:inline-flex;gap:8px;align-items:center}
.require-intro a:hover{background:var(--c-action);color:#fff}
.req-list{background:#fff;border-radius:var(--radius-large);border:1px solid var(--c-soft-line);box-shadow:var(--shadow-card);overflow:hidden;margin-bottom:26px}
.req-row{display:flex;align-items:center;gap:24px;padding:24px 28px;border-bottom:1px solid var(--c-line);transition:background-color .2s ease}
.req-row:last-child{border-bottom:0}
.req-row:hover{background:rgba(14,125,114,.03)}
.req-icon{width:52px;height:52px;border-radius:14px;background:var(--c-bg-2);display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:22px;flex-shrink:0}
.req-row:hover .req-icon{background:var(--c-primary);color:#fff}
.req-info{flex:1;min-width:0}
.req-info strong{font-size:17px;font-weight:700;display:block}
.req-info span{display:block;font-size:13px;color:var(--c-text-3);line-height:1.6;margin-top:4px}
.req-ver{font-size:12px;color:var(--c-text-3);white-space:nowrap}
.req-more{flex-shrink:0}
.help-note{background:rgba(201,154,59,.12);border:1px solid rgba(201,154,59,.3);border-radius:12px;padding:16px 20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.help-note i{color:#a67c24;font-size:18px}
.help-note span{font-size:14px;color:#7a6a45;margin-right:auto}
.help-note a{font-size:14px;font-weight:700}

/* 评价墙 */
.review-band{background:linear-gradient(180deg,var(--c-card) 0%,var(--c-bg) 100%);border-top:1px solid var(--c-line)}
.review-summary{background:var(--c-bg-2);border-radius:var(--radius-large);padding:24px 28px;display:flex;flex-wrap:wrap;align-items:center;gap:26px;margin-bottom:36px}
.summary-score{display:flex;align-items:center;gap:14px}
.summary-score strong{font-size:38px;font-weight:800;line-height:1;color:var(--c-text)}
.stars{display:flex;gap:4px;color:var(--c-gold);font-size:16px}
.review-summary .meta-list{display:flex;flex-wrap:wrap;gap:8px;margin-left:auto}
.meta-list span{background:#fff;border:1px solid var(--c-soft-line);border-radius:8px;padding:8px 14px;font-size:13px;color:var(--c-text-2);font-weight:600}
.meta-list span i{color:var(--c-primary);margin-right:6px}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;border:1px solid var(--c-soft-line);border-radius:var(--radius-card);padding:25px 22px;box-shadow:var(--shadow-card);position:relative;transition:all .25s ease}
.review-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px)}
.review-card:not(.variant){transform:none}
.review-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary-dark);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;flex-shrink:0}
.avatar.v2{background:rgba(201,154,59,.16);color:#a67c24}
.avatar.v3{background:rgba(255,106,78,.12);color:var(--c-action-dark)}
.review-name{font-weight:700;font-size:15px}
.review-state{font-size:12px;color:var(--c-text-3);display:block;margin-top:2px}
.review-body{font-size:14px;line-height:1.8;color:var(--c-text-2)}
.review-body::before{content:"“";color:var(--c-primary);font-size:25px;line-height:1;font-weight:800;display:inline-block;margin-right:2px}
.review-body::after{content:"”";color:var(--c-primary);font-size:25px;line-height:1;font-weight:800;display:inline-block;margin-left:2px}
.review-source{margin-top:16px;display:inline-flex;align-items:center;gap:6px;background:var(--c-bg-2);color:var(--c-text-2);font-size:12px;padding:5px 12px;border-radius:999px}

/* 下载区 */
.download-section{background:var(--c-dark) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;position:relative;color:#E7EDEA;padding:var(--spacer-section) 0}
.download-section::before{content:"";position:absolute;inset:0;background:rgba(16,27,24,.93)}
.download-inner{position:relative;z-index:2}
.download-panel{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:26px;padding:32px;backdrop-filter:blur(5px)}
.download-leading{max-width:640px;margin-bottom:42px}
.download-leading h2{color:#fff;margin:14px 0 12px;font-size:clamp(27px,4vw,36px);font-weight:800}
.download-leading p{color:#B9CCC5;font-size:15px;line-height:1.85}
.download-main{display:grid;grid-template-columns:1.05fr 1.35fr;gap:46px;align-items:center}
.big-download-card{background:#fff;border-radius:18px;padding:26px;text-align:left;color:var(--c-text);box-shadow:0 18px 40px rgba(0,0,0,.25)}
.big-download-card .os-mark{width:54px;height:54px;border-radius:13px;background:var(--c-bg);display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--c-primary);margin-bottom:16px}
.big-download-card h3{font-size:21px;font-weight:800;margin-bottom:6px}
.big-download-card .meta-desc{font-size:13px;color:var(--c-text-3);line-height:1.6;margin:0 0 20px}
.version-note{display:inline-flex;align-items:center;gap:6px;background:var(--c-bg-2);border-radius:6px;font-size:12px;color:var(--c-text-2);padding:5px 10px;margin-bottom:18px}
.download-sub-group h4{color:#AFC9C1;font-size:13px;letter-spacing:.05em;font-weight:600;margin-bottom:14px}
.sub-entries{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sub-entry{display:flex;justify-content:space-between;gap:10px;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:11px;color:#E7EDEA;padding:12px 14px;font-size:13px;font-weight:600;transition:background .2s,border-color .2s}
.sub-entry i{font-size:15px;color:#9EE0D5}
.sub-entry:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.2)}
.security-tip{margin-top:28px;display:flex;gap:12px;align-items:center;color:#96ACA4;font-size:13px;background:rgba(255,255,255,.04);border-radius:10px;padding:12px 14px}
.security-tip i{color:var(--c-gold);font-size:16px}
.security-tip a{color:#fff;text-decoration:underline}

/* 资讯动态 */
.news-section{background:#fff}
.news-header-row{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:38px}
.news-header-row .section-head{margin-bottom:0}
.news-link-more{white-space:nowrap;color:var(--c-primary);font-weight:700;font-size:14px;display:inline-flex;gap:8px;align-items:center;padding-top:20px}
.news-link-more:hover{color:var(--c-primary-dark)}
.news-feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;margin-bottom:26px}
.news-card{background:#fff;border:1px solid var(--c-soft-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:box-shadow .3s,transform .3s,border-color .3s;display:flex;flex-direction:column}
.news-card:hover{border-color:rgba(14,125,114,.5);transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.news-card.feature{flex-direction:row}
.news-thumb{position:relative;flex-shrink:0;overflow:hidden;background:var(--c-bg-2)}
.news-card.feature .news-thumb{width:46%}
.news-card:not(.feature) .news-thumb{width:100%;aspect-ratio:16/9}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-thumb .thumb-cat{position:absolute;left:12px;top:12px;z-index:2;color:#fff;font-size:12px;font-weight:600;background:rgba(16,27,24,.55);backdrop-filter:blur(3px);padding:5px 10px;border-radius:999px}
.news-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px;flex:1}
.news-body h3{font-size:19px;line-height:1.45;font-weight:700}
.news-body h3 a{color:var(--c-text)}
.news-card:hover .news-body h3 a{color:var(--c-primary)}
.news-body p{font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-text-3);margin-top:auto;flex-wrap:wrap}
.news-meta .meta-category{color:var(--c-primary);font-weight:700}
.news-more-link{margin-left:auto;font-size:13px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:5px}
.news-card:hover .news-more-link{text-decoration:underline}
.news-grid-others{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.news-empty{display:flex;align-items:center;justify-content:center;text-align:center;border:2px dashed var(--c-line);border-radius:18px;padding:70px 24px;background:var(--c-bg)}
.news-empty-inner i{width:54px;height:54px;border-radius:50%;background:#fff;border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;font-size:22px;color:var(--c-text-3);margin-bottom:16px}
.news-empty-inner strong{display:block;font-size:17px;color:var(--c-text-2);margin-bottom:6px}
.news-empty-inner span{font-size:14px;color:var(--c-text-3)}

/* FAQ */
.faq-section{background:var(--c-bg)}
.faq-outer{max-width:820px;margin:0 auto}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--c-soft-line);border-radius:15px;overflow:hidden;transition:box-shadow .2s,border-color .2s}
.faq-item:hover{border-color:rgba(14,125,114,.28);box-shadow:0 6px 14px rgba(18,45,40,.04)}
.faq-item.active{border-color:rgba(14,125,114,.5);box-shadow:0 12px 26px rgba(18,45,40,.07)}
.faq-q{display:flex;align-items:center;gap:16px;width:100%;text-align:left;padding:19px 22px;background:transparent;min-height:58px;font-size:16px;font-weight:700;color:var(--c-text);line-height:1.5;transition:color .2s}
.faq-q .faq-icon{width:34px;height:34px;border-radius:9px;background:var(--c-bg-2);color:var(--c-text-3);display:flex;align-items:center;justify-content:center;font-size:14px;transition:background .25s,color .25s,transform .3s;flex-shrink:0}
.faq-item.active .faq-icon{background:var(--c-primary);color:#fff}
.faq-q .fa-chevron-down{margin-left:auto;color:var(--c-text-3);font-size:15px;transition:transform .3s,color .3s;flex-shrink:0}
.faq-item.active .faq-q{color:var(--c-primary)}
.faq-item.active .faq-q .fa-chevron-down{transform:rotate(45deg);color:var(--c-primary)}
.faq-q:hover .faq-icon{background:var(--c-primary-light);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 24px 22px 72px;color:var(--c-text-2);font-size:15px;line-height:1.85}
.faq-foot{text-align:center;margin-top:34px}
.faq-foot p{color:var(--c-text-3);font-size:14px;margin-bottom:10px}

/* Footer */
.site-footer{background:var(--c-dark);color:#AFC4BC;padding:64px 0 0;position:relative;overflow:hidden}
.site-footer::after{content:"";position:absolute;right:0;top:0;width:430px;height:430px;background:radial-gradient(circle,rgba(14,125,114,.18),transparent 70%);pointer-events:none}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:42px;margin-bottom:40px;position:relative;z-index:2}
.footer-brand .logo{color:#fff}
.footer-brand .logo span{background:rgba(14,125,114,.35);color:#9EE0D5}
.footer-brand p{font-size:14px;color:#889F96;margin:18px 0 14px;line-height:1.8;max-width:280px}
.footer-safety{display:flex;align-items:center;gap:8px;color:#728C82;font-size:12px}
.footer-safety i{color:var(--c-gold)}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.footer-title i{color:var(--c-primary);font-size:14px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-links a{color:#AFC4BC;font-size:14px;font-weight:600}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact p{font-size:14px;color:#AFC4BC;line-height:1.8;margin-bottom:16px}
.footer-contact-btn{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);color:#fff;padding:9px 20px;border-radius:9px}
.footer-contact-btn:hover{background:var(--c-primary);border-color:var(--c-primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:#708A80;flex-wrap:wrap;position:relative;z-index:2}
.footer-bottom a{color:#9BAFA8}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1024px){
  .header-inner{gap:12px}
  .logo{font-size:17px}
  .nav-list a{padding:10px 10px;font-size:14px}
  .hero h1{font-size:38px}
  .mega-inner{gap:24px}
  .hero-card-float{left:-10px;bottom:-18px}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .news-feature-grid,.news-grid-others{grid-template-columns:1fr 1fr}
  .news-card.feature{flex-direction:column}
  .news-card.feature .news-thumb{width:100%;aspect-ratio:16/9}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;margin-left:auto}
  .site-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 20px 30px rgba(18,45,40,.1);padding:20px 24px;display:none;flex-direction:column;max-height:calc(100vh - var(--header-h));overflow:auto}
  .site-nav.open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-list li{margin:0}
  .nav-list a{border-radius:9px;justify-content:space-between}
  .mega-trigger-wrap{display:none}
  .mega-panel{display:none;position:static;visibility:visible;opacity:1;transform:none;box-shadow:none;border-radius:0;margin-top:12px;pointer-events:auto}
  .mega-panel.open{display:block}
  .mega-inner{grid-template-columns:1fr 1fr;padding:18px 0 6px}
  .mega-download{grid-column:1 / -1}
  .logo-wrap{margin-right:auto}
}
@media (max-width:768px){
  .hero{padding-top:50px;padding-bottom:70px}
  .hero-copy{max-width:100%}
  .hero-device-wrap{margin-top:46px;max-width:100%}
  .hero-card-float{left:14px;bottom:-20px;max-width:216px}
  .hero-card-float .float-icon{width:34px;height:34px}
  .slide-grid{flex-direction:column}
  .slide-copy,.slide-view{flex:0 0 100%;max-width:100%}
  .slide-copy{padding-right:0;margin-bottom:18px}
  .download-main{grid-template-columns:1fr;gap:28px}
  .download-panel{padding:22px}
  .footer-top{grid-template-columns:1fr 1fr;gap:34px}
  .review-summary .meta-list{margin-left:0}
  .require-intro{padding:14px 18px}
  .section-head h2{font-size:28px}
  .news-feature-grid,.news-grid-others{grid-template-columns:1fr}
  .faq-a-inner{padding-left:22px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{height:66px;gap:8px}
  .logo{font-size:15px}
  .logo span{display:none}
  .hero h1{font-size:31px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .mega-inner{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .req-row{flex-wrap:wrap;gap:14px;padding:18px}
  .download-main{gap:22px}
  .sub-entries{grid-template-columns:1fr}
  .slider-arrow{width:40px;height:40px}
  .slider-shell{padding:18px}
}

/* roulang page: article */
:root{
  --primary:#0E7D72;
  --primary-deep:#0A5A52;
  --primary-soft:rgba(14,125,114,.10);
  --accent:#C99A3B;
  --action:#FF6A4E;
  --action-dark:#E9553B;
  --bg:#F7F8F5;
  --bg-soft:#EEF1EC;
  --ink:#17231F;
  --ink-2:#5B6C64;
  --ink-3:#8A9890;
  --line:#DDE5E0;
  --dark:#101B18;
  --white:#ffffff;
  --r-xs:8px;
  --r-md:14px;
  --r-lg:18px;
  --shadow-sm:0 2px 10px rgba(18,45,40,.05);
  --shadow-md:0 10px 24px rgba(18,45,40,.08);
  --shadow-lg:0 18px 36px rgba(18,45,40,.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .22s,background .22s,border-color .22s,box-shadow .22s,transform .22s}
a:hover{color:var(--primary-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(14,125,114,.36);outline-offset:2px}
button{font-family:var(--font)}
.container{max-width:1240px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.grid-padding-x{padding-left:0;padding-right:0}
h1,h2,h3,h4{line-height:1.35;margin:0;font-weight:700;color:var(--ink)}
h1{letter-spacing:-.02em}
h2{letter-spacing:-.01em}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  min-width:120px;
  padding:0 22px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:all .22s ease;
  vertical-align:middle;
}
.btn i{font-size:15px}
.btn-primary{background:var(--action);color:#fff;box-shadow:0 10px 24px rgba(255,106,78,.22)}
.btn-primary:hover{background:var(--action-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,106,78,.26)}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 5px 16px rgba(255,106,78,.2)}
.btn-primary:disabled{opacity:.65;cursor:not-allowed;transform:none}
.btn-outline{background:#fff;border-color:rgba(14,125,114,.42);color:var(--primary)}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-deep);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-white{background:#fff;color:var(--primary-deep)}
.btn-white:hover{background:#f0faf7;color:var(--primary-deep);transform:translateY(-2px)}
.btn-deep{background:var(--primary-deep);color:#fff}
.btn-deep:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}

/* 标签与徽章 */
.badge,.badge-dot,.cat-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:30px;
  font-size:13px;
  font-weight:600;
  line-height:1.5;
  white-space:nowrap;
}
.cat-badge{background:rgba(201,154,59,.14);color:#8a6520;border:1px solid rgba(201,154,59,.24)}
.badge{background:rgba(255,255,255,.16);color:#EAF3EF;border:1px solid rgba(255,255,255,.18)}
.soft-badge{background:var(--primary-soft);color:var(--primary-deep)}
.gold-badge{background:rgba(201,154,59,.12);color:#a67a27}

/* Header */
.site-header{
  position:sticky;
  top:0;
  left:0;
  right:0;
  z-index:200;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid rgba(18,45,40,.06);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 30px rgba(18,45,40,.08);background:#fff}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:76px;
  position:relative;
  gap:16px;
}
.logo-wrap{display:flex;align-items:center;flex-shrink:0}
.logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-weight:800;
  font-size:19px;
  color:var(--primary-deep);
  letter-spacing:-.01em;
}
.logo i{
  width:38px;
  height:38px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  box-shadow:0 8px 18px rgba(10,90,82,.2);
}
.logo span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(201,154,59,.18);
  color:#946d17;
  font-size:12px;
  font-weight:700;
  border:1px solid rgba(201,154,59,.24);
  padding:1px 10px;
  border-radius:30px;
  margin-left:2px;
  letter-spacing:.08em;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--primary-deep);
  font-size:20px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.site-nav{position:relative}
.nav-list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-list > li{position:relative}
.nav-list a{
  display:flex;
  align-items:center;
  gap:7px;
  padding:9px 14px;
  border-radius:30px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  position:relative;
  white-space:nowrap;
}
.nav-list a i{font-size:13px;opacity:.85}
.nav-list a:hover{color:var(--primary);background:rgba(14,125,114,.07)}
.nav-list a.active{color:var(--primary-deep);background:rgba(14,125,114,.1)}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:-10px;
  width:760px;
  background:#fff;
  border:1px solid rgba(18,45,40,.08);
  border-radius:20px;
  box-shadow:0 24px 60px rgba(18,45,40,.16);
  padding:6px 8px 14px;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  z-index:80;
}
.site-nav:hover .mega-panel,
.site-nav:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-inner{
  display:grid;
  grid-template-columns:1.05fr 1.35fr 1fr;
  gap:24px;
  align-items:start;
  text-align:left;
}
.mega-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:12px;
}
.mega-title i{color:var(--primary)}
.mega-links{list-style:none;margin:0;padding:0}
.mega-links li{margin-bottom:4px}
.mega-links a{
  display:flex;
  align-items:center;
  gap:9px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--ink-2);
}
.mega-links a i{font-size:12px;color:var(--primary)}
.mega-links a span{
  display:block;
  font-size:12px;
  color:var(--ink-3);
  font-weight:400;
}
.mega-links a:hover{background:var(--bg);color:var(--primary-deep)}
.mega-entries{display:flex;flex-direction:column;gap:8px}
.mega-entry{
  display:flex;
  gap:10px;
  align-items:center;
  background:var(--bg);
  border:1px solid transparent;
  border-radius:12px;
  padding:8px;
  transition:all .2s ease;
}
.mega-entry:hover{background:#fff;border-color:var(--line);box-shadow:var(--shadow-sm)}
.mega-entry-thumb{
  width:64px;
  height:48px;
  border-radius:8px;
  object-fit:cover;
  flex:none;
}
.mega-entry strong{display:block;font-size:13px;color:var(--ink);line-height:1.5}
.mega-entry span:last-child{font-size:12px;color:var(--ink-3)}
.mega-download{
  background:linear-gradient(145deg,#10231F,#0A5A52);
  color:#EAF3EF;
  border-radius:16px;
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.mega-download strong{font-size:15px}
.mega-download p{font-size:12px;color:#AFC4BC;margin:0;line-height:1.7}
.mega-download a{
  margin-top:6px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  background:var(--action);
  color:#fff;
  border-radius:8px;
  padding:8px 14px;
  font-size:13px;
  font-weight:600;
}
.mega-download a:hover{background:var(--action-dark);color:#fff}

/* Article Page */
.article-site-main{padding:34px 0 0}
.article-breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:7px;
  font-size:14px;
  color:var(--ink-3);
  margin-bottom:22px;
}
.article-breadcrumb a{color:var(--ink-2);display:inline-flex;align-items:center;gap:6px}
.article-breadcrumb a:hover{color:var(--primary)}
.article-breadcrumb i{font-size:10px;color:#B9C3BB}
.article-breadcrumb .current{
  color:var(--ink);
  font-weight:600;
  max-width:300px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-grid{padding-bottom:80px}
.article-main-area{min-width:0}
.article-stage{
  background:#fff;
  border:1px solid rgba(18,45,40,.07);
  border-radius:20px;
  box-shadow:var(--shadow-sm);
}
.article-skin{
  padding:46px 54px 38px;
}
.article-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:18px;
}
.article-title{
  font-size:clamp(28px,4vw,40px);
  font-weight:800;
  line-height:1.35;
  margin-bottom:16px;
  color:var(--ink);
  word-break:break-word;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:18px;
  padding:15px 0 22px;
  border-top:1px solid rgba(18,45,40,.05);
  border-bottom:1px solid rgba(18,45,40,.05);
  color:var(--ink-3);
  font-size:14px;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:8px}
.article-meta .meta-item i{width:28px;height:28px;border-radius:30px;background:var(--bg);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.article-meta .source-text{color:var(--primary-deep);font-weight:600}
.article-content{
  padding-top:26px;
  font-size:16px;
  line-height:1.9;
  color:#223029;
}
.article-content p{margin:0 0 24px}
.article-content h2{
  font-size:24px;
  line-height:1.5;
  margin:42px 0 18px;
  padding-left:13px;
  border-left:4px solid var(--primary);
  color:var(--ink);
}
.article-content h3{
  font-size:20px;
  line-height:1.6;
  margin:34px 0 14px;
  color:var(--ink);
}
.article-content h4{
  font-size:17px;
  line-height:1.6;
  margin:28px 0 12px;
  color:var(--ink);
}
.article-content ul,.article-content ol{margin:0 0 24px;padding-left:24px}
.article-content li{margin-bottom:9px}
.article-content a{color:var(--primary);font-weight:500;text-decoration:underline;text-decoration-color:rgba(14,125,114,.2);text-underline-offset:4px}
.article-content a:hover{color:var(--primary-deep);text-decoration-color:var(--primary-deep)}
.article-content blockquote{
  margin:34px 0;
  padding:22px 24px;
  background:var(--bg);
  border-left:4px solid var(--primary);
  border-radius:0 14px 14px 0;
  color:#3C514A;
}
.article-content blockquote p{margin-bottom:8px}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  border-radius:16px;
  margin:26px 0 10px;
  box-shadow:var(--shadow-md);
}
.article-content .image-caption,.article-content figcaption{
  color:var(--ink-3);
  font-size:13px;
  text-align:center;
  margin-bottom:20px;
  margin-top:8px;
}
.article-content pre{
  background:#10231f;
  color:#d8e6df;
  border-radius:14px;
  padding:20px;
  overflow-x:auto;
  margin:24px 0;
  font-size:14px;
  line-height:1.75;
  font-family:SFMono-Regular,Consolas,"Liberation Mono",monospace;
}
.article-content code{
  font-family:SFMono-Regular,Consolas,"Liberation Mono",monospace;
  background:rgba(14,125,114,.08);
  color:var(--primary-deep);
  padding:2px 6px;
  border-radius:6px;
  font-size:14px;
}
.article-content pre code{background:transparent;color:inherit;padding:0;border-radius:0}
.article-content table{
  display:block;
  max-width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:24px 0;
  font-size:14px;
}
.article-content th,.article-content td{
  border:1px solid var(--line);
  padding:12px 14px;
  min-width:120px;
  text-align:left;
}
.article-content th{background:var(--bg);font-weight:700;color:var(--ink)}
.article-content hr{height:1px;border:0;background:var(--line);margin:40px 0}
.article-content .callout{
  border-radius:14px;
  padding:18px 20px;
  background:rgba(14,125,114,.06);
  border:1px solid rgba(14,125,114,.16);
  display:flex;
  gap:12px;
  margin:24px 0;
}
.article-content .callout i{color:var(--primary);font-size:20px;margin-top:2px}
.article-content .callout p{margin:0}

.article-tail{
  margin-top:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:18px 0 0;
  border-top:1px solid rgba(18,45,40,.06);
}
.article-tail .back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--ink-2);
  font-size:14px;
  font-weight:600;
}
.article-tail .back-link:hover{color:var(--primary)}
.article-tail-actions{display:flex;gap:10px;flex-wrap:wrap}
.article-tail-actions a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--bg);
  border:1px solid var(--line);
  color:var(--ink-2);
  border-radius:30px;
  padding:8px 16px;
  font-size:14px;
  font-weight:600;
}
.article-tail-actions a:hover{border-color:var(--primary);color:var(--primary);background:rgba(14,125,114,.05)}

/* 相关指引 */
.article-more-box{
  background:rgba(255,255,255,.5);
  padding-top:0;
}
.article-more-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.article-more-head h2{font-size:20px}
.article-more-head i{color:var(--primary)}
.article-more-box .guide-card-row{
  margin-left:-12px;
  margin-right:-12px;
}
.guide-card-row .cell{padding-left:12px;padding-right:12px;margin-bottom:0}
.more-guide-card{
  display:flex;
  background:#fff;
  border:1px solid rgba(18,45,40,.07);
  border-radius:16px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  height:100%;
  transition:box-shadow .24s,transform .24s,border-color .24s;
}
.more-guide-card:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-4px);
  border-color:rgba(14,125,114,.24);
}
.more-guide-cover{width:42%;padding:14px;display:block}
.more-guide-cover img{
  width:100%;
  height:100%;
  min-height:150px;
  object-fit:cover;
  border-radius:10px;
}
.more-guide-link{flex:1;padding:22px 20px 20px 0;display:flex;flex-direction:column}
.more-guide-link span:first-child{font-size:12px;color:var(--accent);margin-bottom:8px;letter-spacing:.05em}
.more-guide-link strong{font-size:18px;line-height:1.5;margin-bottom:8px;color:var(--ink)}
.more-guide-link small{color:var(--ink-3);font-size:13px;line-height:1.75}
.more-guide-link em{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-style:normal;
  color:var(--primary);
  font-weight:600;
  font-size:13px;
  padding-top:16px;
}

/* Sidebar */
.article-side-area{min-width:0}
.side-sticky{
  position:sticky;
  top:102px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.side-panel{
  background:#fff;
  border:1px solid rgba(18,45,40,.07);
  border-radius:18px;
  box-shadow:var(--shadow-sm);
  padding:22px;
}
.side-panel-title{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:16px;
  font-weight:700;
  margin-bottom:15px;
}
.side-panel-title i{width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:14px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-bottom:1px solid rgba(18,45,40,.05);margin:0}
.side-list li:last-child{border-bottom:0}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:12px 2px;
  color:var(--ink-2);
  font-size:14px;
}
.side-list a i{color:var(--primary);font-size:12px;transition:transform .2s}
.side-list a:hover{color:var(--primary)}
.side-list a:hover i{transform:translateX(3px)}
.download-side-card{
  background:linear-gradient(150deg,#0F2B24,#0A5A52);
  border-radius:18px;
  color:#EAF3EF;
  padding:25px 22px;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.download-side-card::after{
  content:"";
  position:absolute;
  width:110px;
  height:110px;
  background:rgba(255,255,255,.05);
  border-radius:50%;
  right:-38px;
  top:-38px;
}
.download-side-card .side-icon{
  width:42px;height:42px;
  border-radius:12px;
  background:rgba(255,255,255,.12);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;
  margin-bottom:14px;
}
.download-side-card h3{color:#fff;font-size:17px;margin-bottom:8px}
.download-side-card p{font-size:13px;color:#B8CDc6;line-height:1.8;margin:0 0 18px}
.side-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--action);
  color:#fff;
  padding:11px 16px;
  border-radius:10px;
  font-size:14px;
  font-weight:600;
}
.side-btn:hover{background:var(--action-dark);color:#fff;transform:translateY(-2px)}
.side-btn.secondary{background:transparent;border:1px solid rgba(255,255,255,.35);margin-top:10px}
.side-btn.secondary:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55)}
.side-note{
  display:flex;
  gap:10px;
  padding:14px 16px;
  border-radius:14px;
  background:rgba(201,154,59,.09);
  border:1px solid rgba(201,154,59,.18);
  color:#7F6A3D;
  font-size:13px;
  line-height:1.8;
}
.side-note i{color:#b07d18;margin-top:4px}

/* 内容未找到 */
.not-found-block{
  background:#fff;
  border-radius:22px;
  box-shadow:var(--shadow-sm);
  border:1px solid rgba(18,45,40,.06);
  padding:70px 30px;
  text-align:center;
  margin-bottom:80px;
}
.not-found-block i{
  width:74px;height:74px;
  border-radius:50%;
  background:rgba(14,125,114,.1);
  color:var(--primary);
  font-size:30px;
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:22px;
}
.not-found-block h1{font-size:28px;margin-bottom:10px}
.not-found-block p{color:var(--ink-3);margin-bottom:28px}

/* Footer */
.site-footer{
  background:var(--dark);
  color:#B4C7C0;
  margin-top:40px;
  padding:76px 0 0;
}
.site-footer .logo{color:#fff}
.site-footer .logo i{background:rgba(255,255,255,.14);box-shadow:none;color:#fff}
.site-footer .logo span{background:rgba(255,255,255,.1);color:#D9C392;border-color:rgba(255,255,255,.12)}
.footer-top{
  display:grid;
  grid-template-columns:4fr 2.2fr 2.2fr 2.8fr;
  gap:42px;
  padding-bottom:52px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand p{
  color:#B4C7C0;
  margin:18px 0 18px;
  font-size:14px;
  line-height:1.9;
  max-width:340px;
}
.footer-safety{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  font-size:13px;
  line-height:1.8;
  color:#D8E2DC;
  padding:13px 16px;
  display:flex;
  gap:10px;
  max-width:360px;
}
.footer-safety i{color:var(--accent);margin-top:3px}
.footer-title{
  color:#E7EDEA;
  font-weight:700;
  margin-bottom:18px;
  font-size:15px;
  display:flex;
  align-items:center;
  gap:8px;
}
.footer-title i{color:#6E9B91;font-size:13px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{
  color:#AFC4BC;
  font-size:14px;
  transition:all .2s;
}
.footer-links a:hover{color:#fff;padding-left:3px}
.footer-contact-btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  color:#E7EDEA;
  padding:10px 18px;
  border-radius:10px;
  font-size:14px;
  font-weight:600;
  margin-top:6px;
}
.footer-contact-btn:hover{background:rgba(255,255,255,.13);color:#fff}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:22px 0 26px;
  font-size:13px;
  color:#81968f;
}
.footer-bottom a{color:#9db1aa}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1200px){
  .article-skin{padding:34px 32px 28px}
}
@media (max-width:1024px){
  .nav-toggle{
    display:flex;
  }
  .site-nav{
    position:absolute;
    top:70px;
    left:16px;
    right:16px;
    background:#fff;
    border-radius:18px;
    box-shadow:0 26px 60px rgba(18,45,40,.18);
    border:1px solid rgba(18,45,40,.06);
    padding:14px;
    display:none;
    max-height:calc(100vh - 90px);
    overflow:auto;
    z-index:120;
  }
  .site-nav.open{display:block}
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin-bottom:10px;
  }
  .nav-list a{
    padding:12px 14px;
    justify-content:flex-start;
  }
  .mega-panel{
    position:relative;
    top:auto;
    right:auto;
    width:100%;
    visibility:visible;
    opacity:1;
    transform:none;
    border:0;
    border-top:1px solid rgba(18,45,40,.06);
    border-radius:0;
    background:var(--bg);
    padding:18px 14px;
    box-shadow:none;
  }
  .mega-inner{
    grid-template-columns:1fr;
    gap:16px;
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .footer-brand p,.footer-safety{max-width:100%}
  .article-side-area{margin-top:26px}
  .side-sticky{position:static}
  .guide-card-row .cell{margin-bottom:16px}
  .more-guide-card{flex-direction:row}
  .more-guide-cover{width:34%}
}
@media (max-width:740px){
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:center;text-align:center}
  .footer-bottom span{display:block}
  .article-breadcrumb{overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px}
  .article-breadcrumb .current{max-width:160px}
  .article-site-main{padding-top:14px}
  .article-grid{padding-bottom:40px}
  .article-skin{padding:26px 20px 24px}
  .article-title{font-size:26px}
  .article-meta{gap:12px}
  .article-tail-actions{width:100%}
  .article-tail-actions a{flex:1;justify-content:center}
  .more-guide-card{flex-direction:column}
  .more-guide-cover{width:100%;padding:16px 16px 0}
  .more-guide-cover img{min-height:0;height:auto}
  .more-guide-link{padding:14px 16px 18px}
  .side-sticky{gap:16px}
  .btn{width:100%}
  .btn-outline,.btn-primary,.btn-deep{justify-content:center}
  .nav-list a{font-size:15px}
  .logo{font-size:17px}
  .logo i{width:34px;height:34px;font-size:15px}
  .header-inner{min-height:68px}
  .not-found-block{padding:46px 20px;margin-bottom:40px}
  .footer-contact-btn{width:auto}
}
@media (max-width:400px){
  .logo span{display:none}
  .header-inner{gap:10px}
  .article-meta .meta-item i{width:24px;height:24px}
}

/* roulang page: category1 */
:root {
      --primary: #0E7D72;
      --primary-dark: #0A5A52;
      --primary-light: rgba(14, 125, 114, 0.10);
      --accent: #C99A3B;
      --action: #FF6A4E;
      --action-hover: #E85A3F;
      --text-main: #17231F;
      --text-sub: #5B6C64;
      --text-weak: #8A9890;
      --line: #DDE5E0;
      --card-line: rgba(18, 45, 40, 0.08);
      --bg-body: #F7F8F5;
      --bg-alt: #EEF1EC;
      --bg-deep: #101B18;
      --white: #FFFFFF;
      --radius-btn: 10px;
      --radius-card: 16px;
      --radius-hero: 18px;
      --shadow-card: 0 2px 10px rgba(18, 45, 40, 0.05);
      --shadow-hover: 0 14px 30px rgba(18, 45, 40, 0.10);
      --container-w: 1200px;
      --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", Arial, sans-serif;
      --transition: all 0.25s ease;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font-family);
      background: var(--bg-body);
      color: var(--text-main);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: var(--primary); transition: var(--transition); }
    a:hover { color: var(--primary-dark); text-decoration: none; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    button, input, select, textarea { font-family: inherit; }
    .container {
      max-width: var(--container-w);
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    /* ---------- Header Navigation ---------- */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: none;
      height: 78px;
      display: flex;
      align-items: center;
      box-shadow: 0 1px 0 rgba(18, 45, 40, 0.08);
      transition: box-shadow 0.3s ease;
    }
    .site-header.scrolled {
      box-shadow: 0 4px 20px rgba(18, 45, 40, 0.08);
    }
    .header-inner .logo:hover { opacity: 0.85; }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .site-header .header-inner { gap: 24px; }
    .logo-wrap { flex-shrink: 0; display: flex; align-items: center; }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.2;
      padding: 8px 0;
    }
    .logo i {
      color: var(--primary);
      font-size: 24px;
    }
    .logo span {
      color: var(--primary);
      font-weight: 600;
      margin-left: 2px;
    }
    .nav-toggle {
      display: none;
      background: none;
      border: 1px solid var(--line);
      border-radius: 10px;
      width: 44px;
      height: 44px;
      font-size: 20px;
      color: var(--text-main);
      cursor: pointer;
      align-items: center;
      justify-content: center;
      line-height: 1;
      transition: var(--transition);
    }
    .nav-toggle:hover { background: var(--bg-alt); color: var(--primary); }
    .site-nav { display: flex; flex: 1; justify-content: flex-end; align-items: center; gap: 28px; }
    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .nav-list > li { position: relative; }
    .nav-list > li > a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 10px 14px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-sub);
      border-radius: 8px;
      position: relative;
      transition: color 0.2s ease, background 0.2s ease;
    }
    .nav-list > li > a i {
      font-size: 14px;
      opacity: 0.7;
    }
    .nav-list > li > a:hover { color: var(--primary); background: var(--primary-light); }
    .nav-list > li > a.active { color: var(--primary); }
    .nav-list > li > a.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 14px;
      right: 14px;
      height: 3px;
      border-radius: 3px;
      background: var(--primary);
    }
    .menu-trigger {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: var(--bg-alt);
      border: 1px solid var(--line);
      padding: 10px 16px;
      border-radius: 10px;
      border-radius: 999px;
      color: var(--text-sub);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      line-height: 1;
    }
    .menu-trigger i { transition: transform 0.3s ease; }
    .menu-trigger:hover, .menu-trigger[aria-expanded="true"] { background: #ffffff; border-color: rgba(14, 125, 114, 0.3); color: var(--primary); box-shadow: 0 4px 12px rgba(18, 45, 40, 0.06); }
    .menu-trigger.open i.fa-chevron-down { transform: rotate(180deg); }
    .mega-panel {
      position: absolute;
      top: calc(100% + 14px);
      right: 0;
      width: 720px;
      max-width: 90vw;
      background: #ffffff;
      border-radius: 18px;
      box-shadow: 0 20px 60px rgba(18, 45, 40, 0.15), 0 0 0 1px rgba(18, 45, 40, 0.04);
      padding: 18px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(12px);
      transition: all 0.28s ease;
      z-index: 1001;
    }
    .mega-panel.open {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    .mega-inner {
      display: grid;
      grid-template-columns: 1.1fr 1.2fr 1.05fr;
      gap: 22px;
      padding: 0 !important;
    }
    .mega-inner > div {
      min-width: 0;
    }
    .mega-title {
      display: flex;
      align-items: center;
      gap: 7px;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      color: var(--text-weak);
      padding-bottom: 11px;
      margin-bottom: 6px;
      border-bottom: 1px solid #eef2ef;
    }
    .mega-title i { color: var(--primary); }
    .mega-links li { margin-bottom: 2px; }
    .mega-links a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 8px;
      border-radius: 10px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      transition: var(--transition);
    }
    .mega-links a i { font-size: 12px; opacity: 0.4; transition: var(--transition); }
    .mega-links a span { display: block; font-size: 12px; font-weight: 400; color: var(--text-weak); margin-left: auto; }
    .mega-links a:hover { background: var(--primary-light); color: var(--primary); }
    .mega-links a:hover i { opacity: 1; transform: translateX(3px); color: var(--primary); }
    .mega-entries { display: flex; flex-direction: column; gap: 8px; }
    .mega-entry {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px;
      border-radius: 12px;
      border: 1px solid transparent;
      transition: var(--transition);
      color: var(--text-main);
    }
    .mega-entry:hover { background: #fafcfb; border-color: var(--line); color: var(--primary-dark); }
    .mega-entry-thumb {
      width: 44px;
      height: 44px;
      border-radius: 8px;
      object-fit: cover;
      flex-shrink: 0;
      background: var(--bg-alt);
    }
    .mega-entry > span { display: flex; flex-direction: column; min-width: 0; }
    .mega-entry strong { font-size: 14px; font-weight: 600; color: var(--text-main); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .mega-entry > span span { font-size: 12px; color: var(--text-weak); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .mega-download {
      background: var(--bg-deep);
      border-radius: 14px;
      padding: 20px 18px;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
    }
    .mega-download strong { color: #F2F7F5; font-size: 16px; margin-bottom: 6px; }
    .mega-download p { color: #9EB5AC; font-size: 13px; line-height: 1.6; margin-bottom: 12px; }
    .mega-download a {
      background: var(--action);
      color: #fff;
      padding: 9px 14px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }
    .mega-download a:hover { background: var(--action-hover); transform: translateY(-1px); }

    /* ---------- Footer ---------- */
    .site-footer {
      background: var(--bg-deep);
      color: #AFC4BC;
      padding: 72px 0 0;
      margin-top: 0;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
      gap: 48px 32px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .footer-brand .logo {
      color: #F2F7F5;
      font-size: 22px;
      margin-bottom: 14px;
      display: inline-flex;
      gap: 8px;
    }
    .footer-brand .logo span { color: #7FD1C5; }
    .footer-brand p { font-size: 14px; line-height: 1.8; color: #8ea69d; max-width: 360px; margin-bottom: 16px; }
    .footer-safety {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.06);
      padding: 12px 14px;
      border-radius: 10px;
      font-size: 13px;
      color: #E7EDEA;
      line-height: 1.6;
      max-width: 380px;
      display: inline-flex;
      gap: 8px;
      align-items: flex-start;
    }
    .footer-safety i { color: var(--accent); margin-top: 2px; }
    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: #E7EDEA;
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-title i { font-size: 13px; color: #6db1a7; opacity: 0.8; }
    .footer-links li { margin-bottom: 4px; }
    .footer-links li a::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: #46645c; margin-right: 10px; vertical-align: middle; transition: var(--transition); }
    .footer-links a {
      color: #8ea69d;
      font-size: 14px;
      line-height: 1.8;
      transition: color 0.2s ease;
    }
    .footer-links a:hover { color: #F2F7F5; }
    .footer-links a:hover::before { background: var(--primary); }
    .footer-contact-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 106, 78, 0.12);
      border: 1px solid rgba(255, 106, 78, 0.25);
      color: #FFA28F;
      padding: 10px 18px;
      border-radius: 10px;
      font-size: 14px;
      font-weight: 600;
      transition: var(--transition);
      margin-top: 12px;
    }
    .footer-contact-btn:hover { background: rgba(255, 106, 78, 0.22); color: #fff; }
    .footer-bottom {
      padding: 24px 0 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 13px;
      color: #7a948a;
      flex-wrap: wrap;
    }
    .footer-bottom a { color: #9fb8af; }
    .footer-bottom a:hover { color: #fff; }

    /* ---------- Page Header ---------- */
    .page-guide-wrapper {
      background: var(--bg-deep);
      padding: 90px 0 50px;
      margin-top: 0;
      background-image: linear-gradient(rgba(16, 27, 24, 0.92), rgba(16, 27, 24, 0.94)), url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
    }
    .guide-header-inner { display: flex; }
    .guide-breadcrumb {
      color: #8ea69d;
      font-size: 14px;
      margin-bottom: 14px;
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }
    .guide-breadcrumb a { color: #a9c4ba; }
    .guide-breadcrumb i { font-size: 12px; color: #46645c; margin: 0 4px; }
    .page-title-wrap { display: block; }
    .page-guide-wrapper .page-title {
      color: #E9F1ED;
      font-size: 34px;
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: 16px;
      max-width: 800px;
    }
    .page-guide-wrapper .page-title i { color: #7FD1C5; margin-right: 8px; }
    .page-guide-desc {
      color: #9fc0b5;
      font-size: 16px;
      line-height: 1.8;
      max-width: 740px;
    }

    /* ---------- Section ---------- */
    .category-main { padding: 80px 0 40px; }
    .section-title-holder { margin-bottom: 32px; }
    .section-title-holder .section-tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; font-size: 13px; background: rgba(14, 125, 114, 0.08); color: var(--primary); font-weight: 600; border-radius: 100px; margin-bottom: 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
    .section-title-holder h2 { font-size: 28px; font-weight: 800; line-height: 1.3; color: var(--text-main); margin: 0 0 10px; }
    .section-title-holder p.section-sub { color: var(--text-sub); font-size: 15px; line-height: 1.8; }

    /* ---------- Hero Banner 下载主区块 ---------- */
    .guide-hero-download-block { max-width: 1080px; margin-bottom: 50px; }

    .platforms-main {
      display: grid;
      grid-template-columns: 1.35fr 1fr 1fr;
      gap: 20px;
      margin: 50px 0 40px;
    }
    .platform-card {
      background: #fff;
      border: 1px solid var(--card-line);
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      position: relative;
    }
    .platform-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .platform-card.featured {
      border: 1px solid rgba(14, 125, 114, 0.2);
    }
    .platform-card .pl-icon {
      width: 56px;
      height: 56px;
      border-radius: 12px;
      background: rgba(14, 125, 114, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      color: var(--primary);
      margin-bottom: 15px;
    }
    .platform-card.featured .pl-icon { background: rgba(255, 106, 78, 0.12); color: var(--action); }
    .platform-card .pl-tag { position: absolute; top: 16px; right: 16px; font-size: 11px; background: #FCF7EA; color: #B98C2F; padding: 4px 10px; border-radius: 20px; font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
    .platform-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; color: var(--text-main); display: flex; align-items: center; gap: 6px; width: calc(100% - 40px); }
    .platform-card p { font-size: 14px; color: var(--text-sub); line-height: 1.8; margin-bottom: 14px; }
    .platform-card .pl-spec { font-size: 13px; color: var(--text-weak); border-top: 1px solid #eff3f0; padding-top: 16px; }
    .featured-link { color: var(--action); }
    .featured-link:hover { color: var(--action-hover); }
    .pl-detail-row { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
    .pl-detail-row .pl-line { display: flex; gap: 8px; font-size: 13px; color: var(--text-sub); align-items: center; }
    .pl-detail-row .pl-line i { color: var(--primary); font-size: 12px; }
    .btn {
      display: inline-flex;
      border: 0;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      line-height: 1;
      border-radius: var(--radius-btn);
      padding: 14px 22px;
      transition: var(--transition);
      align-items: center;
      gap: 7px;
      text-align: center;
      justify-content: center;
    }
    .btn-lg { padding: 16px 24px; font-size: 16px; border-radius: 10px; width: 100%; }
    .btn-primary { background: var(--action); color: #fff; box-shadow: 0 4px 14px rgba(255, 106, 78, 0.3); }
    .btn-primary:hover { background: var(--action-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255, 106, 78, 0.4); }
    .btn-outline { background: rgba(14, 125, 114, 0.08); color: var(--primary); border: 1px solid rgba(14, 125, 114, 0.25); }
    .btn-outline:hover { background: rgba(14, 125, 114, 0.16); color: var(--primary-dark); }
    .btn-outline-light { background: transparent; color: #a1c6bc; border: 1px solid rgba(255, 255, 255, 0.3); }
    .btn-outline-light:hover { background: rgba(255, 255, 255, 0.08); color: #fff; border-color: rgba(255, 255, 255, 0.4); }
    .btn-cta { background: var(--action); color: #fff; }
    .btn-cta:hover { background: var(--action-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 25px rgba(255, 106, 78, 0.35); }
    .action-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; }
    /* 响应式下载行两式不对称布局 */
    .download-group-main { display: flex; flex-direction: column; gap: 14px; }
    .step-block { max-width: 100%; }

    /* ---------- Category page 1 style (download guide) ---------- */
    .guide-step-wrap { position: relative; display: grid; grid-template-columns: 48px 1fr; gap: 12px; margin-bottom: 0; }
    .guide-step-wrap:nth-child(n) { margin-bottom: 16px; }
    .guide-step-line {
      position: relative;
      z-index: 1;
    }
    .guide-step-line .dot-badge {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--primary-dark);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      border: 3px solid #dff1ee;
      box-shadow: 0 0 0 2px rgba(14, 125, 114, 0.3);
      background: var(--primary);
    }
    .guide-left-line {
      position: absolute;
      top: 40px;
      bottom: -16px;
      left: 23px;
      width: 2px;
      background: #dcebe6;
    }
    .guide-step-box:last-child .guide-left-line { display: none; }
    .guide-content-card {
      background: #fff;
      border: 1px solid var(--card-line);
      border-radius: 14px;
      padding: 20px 24px;
      box-shadow: var(--shadow-card);
    }
    .guide-content-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--primary-dark); }
    .guide-content-card p { margin-bottom: 8px; font-size: 15px; color: var(--text-sub); }
    .guide-help-list { display: flex; gap: 16px; flex-wrap: wrap; }
    .guide-help-list li { background: var(--bg-alt); padding: 10px 16px; border-radius: 10px; font-size: 14px; color: var(--text-main); display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
    .guide-help-list li i { color: var(--accent); }

    /* 环境摘要行 */
    .env-compare {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 16px;
      overflow: hidden;
      margin-bottom: 60px;
    }
    .env-compare .table-row {
      display: grid;
      grid-template-columns: 200px 1fr 1fr 160px;
      align-items: stretch;
    }
    .env-compare .table-row:first-child {
      background: var(--bg-deep);
      color: #d6ece5;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .env-compare .table-row:not(:last-child) { border-bottom: 1px solid #dce5e0; }
    .env-compare .env-title { color: var(--text-weak);}
    }
    .env-compare .table-cell { padding: 16px 20px; font-size: 14px; }

    /* deep CTA */
    .download-cta-deep {
      background: var(--bg-deep);
      border-radius: 24px;
      padding: 64px;
      position: relative;
      overflow: hidden;
    }
    .download-cta-deep:before {
      content: "";
      position: absolute;
      top: -40px;
      right: -30px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(14, 125, 114, 0.16);
    }
    .download-cta-inner { position: relative; z-index: 2; display: flex; flex-direction: row; gap: 24px; align-items: center; }
    .download-cta-left { flex: 1; color: #dbe8e3; }
    .download-cta-left h3 { color: #e7f5f0; font-size: 30px; line-height: 1.35; margin-bottom: 12px; font-weight: 800; }
    .download-cta-left p { color: #89a79c; font-size: 15px; max-width: 480px; margin-bottom: 10px; }
    .cta-head-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(201, 154, 59, .15); color: var(--accent); padding: 6px 14px; border-radius: 50px; font-weight: 700; font-size: 12px; margin-bottom: 16px; }
    .download-cta-right { flex: 0 0 auto; }

    /* FAQ */
    .faq-center { max-width: 800px; margin: 0 auto; }
    .faq-item {
      background: #fff;
      border: 1px solid var(--card-line);
      border-radius: 14px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: border 0.3s ease;
    }
    .faq-item.open { border-color: rgba(14, 125, 114, 0.4); box-shadow:  0 4px 14px rgba(14, 125, 114, 0.04); }
    .faq-q {
      width: 100%;
      background: transparent;
      border: 0;
      padding: 20px 16px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      text-align: left;
      line-height: 1.5;
    }
    .faq-q:hover { color: var(--primary); }
    .faq-q .faq-btn-label { display: flex; align-items: center; gap: 10px; }
    .faq-q .faq-btn-label i { color: var(--primary); font-size: 15px; }
    .faq-q .fa-icon {
      transition: transform 0.3s ease;
      color: var(--text-weak);
      flex-shrink: 0;
    }
    .faq-item.open .fa-icon { transform: rotate(180deg); color: var(--primary); }
    .faq-a {
      padding: 0 16px 4px;
      margin-left: 26px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
    }
    .faq-item.open .faq-a {
      max-height: 400px;
      padding-bottom: 18px;
    }
    .faq-a p { font-size: 15px; color: var(--text-sub); line-height: 1.9; margin: 0; border-left: 2px solid #d4e5e0; padding-left: 14px; }

    /* breadcrumb */
    .crumb-list {
      display: flex;
      font-size: 14px;
      color: var(--text-sub);
      flex-wrap: wrap;
    }
    .crumb-list a { color: var(--primary); }
    .crumb-list a:hover { color: var(--primary-dark); }
    .crumb-list .sep { margin: 0 6px; color: var(--text-weak); }

    /* ---------- Help-section (download guide specific) ---------- */
    .help-callout {
      margin-top: 24px;
      display: flex;
      gap: 20px;
      background: var(--bg-alt);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 32px;
    }
    .help-callout .help-icon { flex: 0 0 48px; height: 48px; background: rgba(201, 154, 59, .12); color: var(--accent); display: flex; align-items: center; justify-content: center; border-radius: 50%; font-size: 20px; }
    .help-callout h3 { font-size: 18px; margin-bottom: 6px; }
    .help-callout p { font-size: 14px; color: var(--text-sub); margin-bottom: 12px; }

    /* resp styles */
    @media screen and (max-width: 1024px) {
      .mega-panel { width: 640px; }
      .footer-top { grid-template-columns: 1fr 1fr; }
      .download-cta-inner { flex-direction: column; align-items: flex-start; }
      .download-cta-deep { padding: 40px; }
      .env-compare .table-row { grid-template-columns: 140px 1fr 1fr 120px; }
    }

    @media screen and (max-width: 900px) {
      .nav-toggle { display: flex; }
      .site-nav {
        position: absolute;
        top: 78px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 12px 20px 22px;
        box-shadow: 0 20px 40px rgba(18, 45, 40, 0.16);
        align-items: flex-start;
        gap: 8px;
        display: none;
        border-bottom: 1px solid var(--line);
        border-radius: 0 0 16px 16px;
        max-height: 80vh;
        overflow-y: auto;
      }
      .site-nav.open { display: flex; }
      .nav-list { flex-direction: column; align-items: flex-start; gap: 3px; width: 100%; }
      .nav-list > li { width: 100%; }
      .nav-list > li > a { width: 100%; border-radius: 8px; padding: 12px 16px; font-size: 16px; }
      .nav-list > li > a.active::after { content: none; }
      .nav-list > li > a.active { background: var(--primary-light); color: var(--primary); }
      .mega-trigger-btn { display: none; }
      .mega-panel {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        background: transparent;
        width: 100%;
        max-width: 100%;
        display: none;
        margin-top: 8px;
      }
      .mega-panel.open { display: block; }
      .mega-inner { grid-template-columns: 1fr; }
      .mega-panel .mega-entry-thumb { width: 52px; height: 52px; }
      .mega-panel .mega-download { display: none; }
      .mega-title { margin-top: 10px; }
      .platforms-main { display: flex; flex-direction: column; }
      .platform-card.featured .order-room { }
      .footer-top { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
      .guide-step-wrap { grid-template-columns: 36px 1fr; }
    }

    @media screen and (max-width: 768px) {
      .container { padding: 0 16px; }
      body { font-size: 15px; }
      .page-guide-wrapper { padding: 86px 0 30px; }
      .page-guide-wrapper .page-title { font-size: 25px; }
      .platforms-main { margin: 30px 0; }
      .env-compare .table-row { display: block; padding: 12px 0; }
      .env-compare .table-row:first-child, .env-compare .table-row > .env-title { display: none; }
      .env-compare .table-cell { padding: 6px 15px; }
      .download-cta-deep { padding: 28px 20px; }
      .download-cta-left h3 { font-size: 22px; }
      .help-callout { flex-direction: column; padding: 20px; }
      .featured .btn-lg { font-size: 14px; }
    }

    @media screen and (max-width: 640px) {
      .footer-top { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; justify-content: flex-start; text-align: match-parent; }
      .page-cat-title h1 { font-size: 22px; }
      .btn-lg { font-size: 15px; padding: 14px 20px; }
      .pl-card { padding: 24px 14px; }
    }
    .header-nav-spacer { height: 78px; } .guide-cat-hero { display: flex;} .footer-bottom a { color: #7a948a; }
    .page-body-margin { margin-top: 78px; }
    .page-headguide { margin-top: 0; }
    .table-cell-inner { display: flex; flex-direction: column; gap: 2px; }
    .cell-note { font-size: 12px; color: var(--text-weak); }
    .label-success { display: inline-block; background: rgba(14, 125, 114, 0.12); color: var(--primary); font-size: 12px; font-weight: 600; border-radius: 6px; padding: 2px 8px; }
    @media screen and (max-width: 900px) {
      .mega-external-links { width: 100%; }
      .link-action-row { width: auto; display: block; }
      .mega-link-single-two { margin: 6px 0; }
    }
    .mb-24 { margin-bottom: 24px; }
    .mb-40 { margin-bottom: 40px; }

    /* Shared sections */
    .cat-guide-band { margin: 0 0 40px; }

    .platform-download-flow {
      background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 40px;
    }

    .cover-img-card {
      border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; background: #eef3f1;
      max-height: 300px; width:100%;
    }
    .cover-img-card img { width: 100%; height: auto; object-fit: cover; max-height: 320px; min-height: 130px;}

    /* fix ios menu */
    .menu-trigger-inline {
      display: inline-flex;
      align-items:center;
      justify-content: center;
      width:44px;
      height:44px;
      background:none;
      border: 1px solid var(--line);
      border-radius: 10px;
      background: var(--bg-alt);
      transition: var(--transition);
      cursor:pointer;
    }
    .menu-trigger-inline:hover { background:#fff; color:var(--primary); }
    @media (min-width: 901px) {
      .menu-trigger-inline { display: none; }
      .mobile-mega-trigger { display: none; }
    }
    @media (max-width: 900px) {
      .menu-trigger-inline { display: inline-flex; }
      .mega-trigger-desktop { display: none; }
      .mega-panel.mobile-only { display: none; }
      .mega-panel.mobile-only.open { display: block; }
      .mega-inner { display: grid; grid-template-columns: 1fr; }
      .mega-discard-desktop { display: none; }
      .nav-sub-drop { position: static; display: none; }
      .site-nav ul.nav-list > li.has-children .submenu-toggle { display: block; }
    }

    .footer-bottom {border-top: 1px solid rgba(255,255,255,0.04)}

/* roulang page: category2 */
:root {
  --brand: #0E7D72;
  --brand-deep: #0A5A52;
  --brand-soft: #E3F1EE;
  --accent: #C99A3B;
  --action: #FF6A4E;
  --action-deep: #E05238;
  --bg: #F7F8F5;
  --bg-alt: #EEF1EC;
  --white: #FFFFFF;
  --ink: #17231F;
  --muted: #5B6C64;
  --faint: #8A9890;
  --line: #DDE5E0;
  --dark: #101B18;
  --dark-soft: #172C26;
  --soft-white: #E7EDEA;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 10px rgba(18, 45, 40, 0.05);
  --shadow-md: 0 12px 28px rgba(18, 45, 40, 0.08);
  --shadow-lg: 0 22px 46px rgba(18, 45, 40, 0.12);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  border: 0;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

a:hover {
  color: var(--brand-deep);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 22px;
  padding-right: 22px;
}

section {
  scroll-margin-top: 94px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  background: var(--brand-soft);
  padding: 5px 13px;
  border-radius: 99px;
}

.section-head {
  margin-bottom: 38px;
}

.section-head h2 {
  margin: 14px 0 8px;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.3px;
}

.section-head .section-lead {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
}

.btn i {
  font-size: 15px;
}

.btn-main {
  background: var(--action);
  color: #fff;
  box-shadow: 0 10px 24px rgba(255, 106, 78, 0.28);
}

.btn-main:hover {
  background: var(--action-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 106, 78, 0.32);
}

.btn-main.active {
  transform: translateY(1px);
  box-shadow: 0 6px 18px rgba(255, 106, 78, 0.24);
}

.btn-brand {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 10px 24px rgba(14, 125, 114, 0.22);
}

.btn-brand:hover {
  background: var(--brand-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(14, 125, 114, 0.28);
}

.btn-outline-white {
  background: transparent;
  color: var(--soft-white);
  border-color: rgba(231, 237, 234, 0.5);
}

.btn-outline-white:hover {
  border-color: var(--soft-white);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--brand);
  border-color: rgba(14, 125, 114, 0.45);
}

.btn-ghost:hover {
  background: var(--brand-soft);
  border-color: var(--brand);
  transform: translateY(-2px);
}

.btn:focus-visible,
.hot-tag:focus-visible,
.faq-q:focus-visible,
.crumbs a:focus-visible,
.site-header a:focus-visible,
.site-header button:focus-visible,
.support-form input:focus-visible,
.support-form select:focus-visible,
.support-form textarea:focus-visible,
.copy-email:focus-visible {
  outline: 3px solid rgba(14, 125, 114, 0.35);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid rgba(221, 229, 224, 0.8);
  transition: box-shadow .25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 10px 26px rgba(18, 45, 40, 0.07);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 76px;
  gap: 22px;
  position: relative;
}

.logo-wrap {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 22px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.4px;
  line-height: 1.2;
}

.logo i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--brand);
  color: #fff;
  border-radius: 11px;
  font-size: 18px;
  box-shadow: 0 7px 18px rgba(14, 125, 114, 0.22);
}

.logo span {
  color: var(--brand);
  font-weight: 800;
  margin-left: 1px;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: stretch;
  gap: 2px;
  min-height: 76px;
  position: static;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
}

.nav-list > li {
  display: flex;
  align-items: stretch;
  margin: 0;
}

.nav-list a,
.nav-more-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 76px;
  padding: 0 17px;
  background: transparent;
  border: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  position: relative;
  transition: color .2s ease, background-color .2s ease, transform .2s ease;
}

.nav-list a i,
.nav-more-trigger i {
  color: var(--brand);
  font-size: 15px;
}

.nav-list a:hover,
.nav-more-trigger:hover {
  color: var(--brand);
  background: rgba(14, 125, 114, 0.05);
}

.nav-list a.active {
  color: var(--brand);
}

.nav-list a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: -1px;
  height: 3px;
  border-radius: 6px 6px 0 0;
  background: var(--brand);
}

.nav-more {
  display: flex;
  align-items: center;
  position: relative;
}

.nav-more-trigger {
  padding-left: 14px;
  padding-right: 14px;
  border-left: 1px solid rgba(18, 45, 40, 0.07);
}

.nav-more-trigger .more-caret {
  transition: transform .25s ease;
  font-size: 12px;
}

.nav-more-trigger.is-open .more-caret {
  transform: rotate(180deg);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: 10px;
  font-size: 18px;
  transition: background-color .2s ease, color .2s ease;
}

.nav-toggle:hover {
  background: var(--brand-soft);
  color: var(--brand);
}

.mega-panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translate(-50%, 10px);
  width: min(780px, calc(100vw - 34px));
  background: var(--white);
  border: 1px solid rgba(221, 229, 224, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 26px;
  z-index: 120;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
}

.nav-more.open .mega-panel,
.mega-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.mega-panel .mega-inner {
  display: grid;
  grid-template-columns: 1fr 1.05fr 0.9fr;
  gap: 22px;
  padding: 0;
}

.mega-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 14px;
}

.mega-title i {
  color: var(--brand);
  font-size: 15px;
}

.mega-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}

.mega-links li {
  margin: 0;
}

.mega-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 10px;
  padding: 10px 11px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.mega-links a:hover {
  background: var(--bg);
  color: var(--brand);
  transform: translateX(2px);
}

.mega-links a i {
  color: var(--action);
  font-size: 13px;
}

.mega-links a span {
  display: flex;
  flex-direction: column;
  color: var(--faint);
  font-weight: 400;
  font-size: 12px;
  line-height: 1.4;
}

.mega-entries {
  display: grid;
  gap: 12px;
}

.mega-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px;
  border: 1px solid rgba(221, 229, 224, 0.8);
  border-radius: 12px;
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}

.mega-entry:hover {
  border-color: rgba(14, 125, 114, 0.3);
  background: var(--bg);
  transform: translateY(-2px);
}

.mega-entry-thumb {
  width: 66px;
  height: 46px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-alt);
}

.mega-entry > span {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mega-entry strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mega-entry > span > span {
  color: var(--faint);
  font-size: 12px;
  line-height: 1.4;
}

.mega-download {
  background: var(--dark);
  color: var(--soft-white);
  border-radius: 15px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.mega-download strong {
  font-size: 16px;
  color: #fff;
}

.mega-download p {
  margin: 8px 0 16px;
  font-size: 13px;
  color: #AFC4BC;
  line-height: 1.7;
}

.mega-download a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  background: var(--action);
  border-radius: 8px;
  padding: 9px 15px;
  font-size: 13px;
  font-weight: 700;
  transition: background-color .2s ease, transform .2s ease;
}

.mega-download a:hover {
  background: var(--action-deep);
  transform: translateY(-2px);
}

.page-hero {
  background:
    linear-gradient(110deg, rgba(247, 248, 245, 0.95) 20%, rgba(234, 243, 239, 0.86) 64%, rgba(227, 241, 238, 0.78) 100%),
    url('/assets/images/backpic/back-3.png') center / cover no-repeat;
  border-bottom: 1px solid rgba(221, 229, 224, 0.7);
  padding: 58px 0 52px;
}

.crumbs {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  color: var(--faint);
  font-size: 14px;
}

.crumbs li {
  display: inline-flex;
  align-items: center;
  margin: 0;
}

.crumbs li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--faint);
  font-size: 13px;
}

.crumbs a {
  color: var(--muted);
  font-weight: 500;
}

.crumbs a:hover {
  color: var(--brand);
}

.crumbs li[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.page-hero-main {
  max-width: 960px;
}

.page-hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(31px, 4.2vw, 46px);
  font-weight: 800;
  line-height: 1.22;
  color: var(--ink);
  letter-spacing: -0.6px;
}

.page-hero .hero-lead {
  max-width: 840px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.help-search-panel {
  max-width: 720px;
  margin-top: 28px;
  background: var(--white);
  border: 1px solid rgba(221, 229, 224, 0.9);
  border-radius: 14px;
  padding: 8px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 10px;
  min-width: 0;
}

.search-field > i {
  color: var(--brand);
  font-size: 16px;
  flex-shrink: 0;
}

.search-field label {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.search-field input {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  line-height: 48px;
  font-size: 15px;
  outline: none;
}

.search-field input::placeholder {
  color: var(--faint);
}

.help-search-panel .btn {
  flex-shrink: 0;
  min-height: 46px;
}

.hot-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 18px;
}

.tags-caption {
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
  margin-right: 4px;
}

.hot-tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 5px 14px;
  border-radius: 99px;
  border: 1px solid rgba(14, 125, 114, 0.2);
  background: rgba(255, 255, 255, 0.75);
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 600;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

.hot-tag:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  transform: translateY(-2px);
}

.hot-tag.is-active {
  background: var(--brand-deep);
  border-color: var(--brand-deep);
  color: #fff;
}

.qa-section {
  padding: 86px 0 90px;
}

.qa-item-layout {
  align-items: flex-start;
}

.faq-col .cell,
.qa-side .cell {
  min-width: 0;
}

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 14px;
}

.faq-summary strong {
  color: var(--brand);
  font-weight: 800;
}

.faq-action-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
  border: 0;
  background: transparent;
  padding: 4px 0;
}

.faq-action-link:hover {
  color: var(--brand-deep);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border: 1px solid rgba(221, 229, 224, 0.9);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.faq-item.open {
  border-color: rgba(14, 125, 114, 0.4);
  box-shadow: var(--shadow-md);
}

.faq-item:hover {
  border-color: rgba(14, 125, 114, 0.24);
}

.faq-item.is-hidden {
  display: none;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  min-height: 66px;
  padding: 16px 20px;
  border: 0;
  background: transparent;
  text-align: left;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.faq-q:hover {
  color: var(--brand-deep);
}

.q-title {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.q-title .q-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  flex-shrink: 0;
  margin-top: 12px;
}

.faq-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--brand-deep);
  font-size: 13px;
  transition: transform .3s ease, background-color .3s ease, color .3s ease;
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 21px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  transition: max-height .35s ease, padding .3s ease;
}

.faq-item.open .faq-a {
  max-height: 420px;
  padding: 0 21px 20px 51px;
}

.faq-empty {
  border: 1px dashed var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.6);
  text-align: center;
  padding: 46px 22px;
  color: var(--faint);
  font-size: 15px;
}

.faq-empty i {
  display: block;
  margin: 0 auto 12px;
  font-size: 34px;
  color: #B9C9C1;
}

.qa-side .help-aside {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.help-aside-col {
  position: sticky;
  top: 96px;
}

.aside-card {
  background: var(--white);
  border: 1px solid rgba(221, 229, 224, 0.9);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.aside-card h3 {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 9px;
}

.aside-card h3 i {
  color: var(--brand);
  font-size: 18px;
}

.aside-card > p {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--faint);
  line-height: 1.8;
}

.contact-line {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid rgba(221, 229, 224, 0.6);
}

.contact-line:first-of-type {
  border-top: 0;
}

.contact-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 16px;
}

.contact-line strong {
  display: block;
  font-size: 14px;
  color: var(--ink);
}

.contact-line span,
.contact-line a {
  font-size: 14px;
  color: var(--muted);
  word-break: break-all;
}

.contact-line a:hover {
  color: var(--brand);
}

.copy-email {
  margin-top: 6px;
  border: 1px solid rgba(14, 125, 114, 0.3);
  background: transparent;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  border-radius: 8px;
  padding: 6px 12px;
  transition: background-color .2s ease, color .2s ease;
}

.copy-email:hover {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

.support-form .field-group {
  margin-bottom: 14px;
}

.support-form label {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.support-form input,
.support-form select,
.support-form textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--white);
  color: var(--ink);
  padding: 10px 13px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.support-form textarea {
  min-height: 112px;
  resize: vertical;
  line-height: 1.7;
}

.support-form input:focus,
.support-form select:focus,
.support-form textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(14, 125, 114, 0.14);
}

.support-form .btn {
  width: 100%;
  margin-top: 4px;
}

.form-tip {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 12px;
  line-height: 1.6;
}

.form-status {
  display: none;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  margin-top: 12px;
}

.form-status.is-show {
  display: block;
}

.mini-guide-card {
  display: flex;
  align-items: center;
  gap: 13px;
  background: var(--bg);
  border: 1px solid rgba(221, 229, 224, 0.8);
  border-radius: 13px;
  padding: 12px;
  color: var(--ink);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.mini-guide-card:hover {
  border-color: rgba(14, 125, 114, 0.32);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--ink);
}

.mini-guide-card img {
  width: 92px;
  height: 62px;
  border-radius: 9px;
  object-fit: cover;
  background: var(--bg-alt);
  flex-shrink: 0;
}

.mini-guide-card > span {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.mini-guide-card strong {
  font-size: 14px;
  font-weight: 800;
}

.mini-guide-card small {
  color: var(--faint);
  font-size: 13px;
  line-height: 1.5;
}

.direct-cta {
  background-color: var(--dark);
  background-image:
    radial-gradient(circle at 14% 20%, rgba(14, 125, 114, 0.32), transparent 42%),
    radial-gradient(circle at 90% 78%, rgba(201, 154, 59, 0.12), transparent 36%);
  padding: 82px 0;
  color: var(--soft-white);
}

.direct-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 46px;
}

.direct-cta-content {
  max-width: 640px;
}

.direct-cta-content .section-eyebrow {
  background: rgba(255, 255, 255, 0.12);
  color: #BDE3DB;
}

.direct-cta-content h2 {
  margin: 16px 0 10px;
  font-size: clamp(26px, 3.3vw, 36px);
  color: #fff;
  line-height: 1.4;
  font-weight: 800;
}

.direct-cta-content p {
  margin: 0;
  color: #AFC4BC;
  font-size: 16px;
  line-height: 1.85;
}

.direct-cta-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 13px;
  flex-shrink: 0;
}

.direct-cta-actions .btn {
  min-width: 188px;
}

.site-footer {
  background: var(--dark);
  color: var(--soft-white);
  padding: 64px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1fr;
  gap: 42px;
  padding-bottom: 46px;
}

.footer-brand .logo {
  color: #fff;
  font-size: 21px;
}

.footer-brand .logo span {
  color: #79CBBE;
}

.footer-brand p {
  margin: 16px 0 14px;
  color: #AFC4BC;
  font-size: 14px;
  line-height: 1.9;
}

.footer-safety {
  display: inline-flex;
  align-items: flex-start;
  gap: 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 13px;
  color: #C8D9D3;
  font-size: 13px;
  line-height: 1.6;
  background: rgba(255, 255, 255, 0.04);
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-title i {
  color: #79CBBE;
  font-size: 14px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.footer-links a {
  color: #AFC4BC;
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 5px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 21px 0;
  color: #8CA69D;
  font-size: 13px;
}

.footer-bottom a {
  color: #A9C0B8;
}

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

@media (min-width: 1200px) {
  .qa-item-layout {
    row-gap: 24px;
  }
}

@media (max-width: 1100px) {
  .footer-top {
    grid-template-columns: 1fr 0.8fr;
  }

  .mega-panel {
    width: min(720px, calc(100vw - 34px));
  }
}

@media (max-width: 900px) {
  .header-inner {
    min-height: 66px;
  }

  .logo {
    font-size: 19px;
  }

  .logo i {
    width: 34px;
    height: 34px;
    border-radius: 9px;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
    flex-shrink: 0;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    width: 100%;
    margin-left: 0;
    min-height: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 38px rgba(18, 45, 40, 0.1);
    padding: 14px 22px 22px;
    flex-direction: column;
    align-items: stretch;
  }

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

  .nav-list {
    flex-direction: column;
    width: 100%;
  }

  .nav-list > li,
  .nav-list a {
    width: 100%;
  }

  .nav-list a {
    justify-content: flex-start;
    min-height: 50px;
    border-radius: 9px;
  }

  .nav-list a:hover {
    background: var(--bg);
  }

  .nav-list a.active::after {
    left: 0;
    right: auto;
    bottom: auto;
    top: 12px;
    width: 3px;
    height: 24px;
    border-radius: 0 6px 6px 0;
  }

  .nav-more {
    display: flex;
    width: 100%;
    border-top: 1px solid rgba(221, 229, 224, 0.7);
    margin-top: 10px;
    padding-top: 8px;
  }

  .nav-more-trigger {
    width: 100%;
    justify-content: flex-start;
    min-height: 50px;
    border-left: 0;
    border-radius: 9px;
  }

  .nav-more-trigger:hover {
    background: var(--bg);
  }

  .mega-panel,
  .nav-more.open .mega-panel,
  .mega-panel.open {
    position: static;
    width: 100%;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: 1px solid var(--line);
    margin-top: 12px;
    padding: 18px;
    border-radius: 14px;
  }

  .mega-panel .mega-inner {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .page-hero {
    padding: 42px 0 42px;
  }

  .qa-section {
    padding: 64px 0 68px;
  }

  .direct-cta {
    padding: 60px 0;
  }

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

  .direct-cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .qa-section {
    padding: 52px 0;
  }

  .grid-x.grid-margin-x > .cell {
    margin-left: 0;
    margin-right: 0;
  }

  .qa-item-layout {
    margin: 0;
  }

  .faq-col,
  .qa-side {
    width: 100%;
    padding: 0;
  }

  .qa-side {
    margin-top: 28px;
  }

  .help-aside-col {
    position: static;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .direct-cta-inner {
    gap: 26px;
  }

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

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

  .help-search-panel {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px;
  }

  .search-field {
    background: var(--bg);
    border-radius: 10px;
    height: 46px;
  }

  .help-search-panel .btn {
    width: 100%;
    justify-content: center;
  }

  .page-hero-main {
    max-width: 100%;
  }
}