/* roulang page: index */
/* ================= 设计变量 ================= */
:root{
  --ht-green:#0F2E26;
  --ht-green-2:#1B4A3C;
  --ht-lime:#C9F24D;
  --ht-clay:#E4703C;
  --ht-sand:#F6F4EE;
  --ht-alt:#F0EEE6;
  --ht-white:#FFFFFF;
  --ht-ink:#14181A;
  --ht-muted:#5A6560;
  --ht-faint:#8A938D;
  --ht-line:#E1DED4;
  --ht-line-dark:rgba(255,255,255,.14);
  --ht-r-s:8px;
  --ht-r-m:12px;
  --ht-r-l:16px;
  --ht-r-pill:999px;
  --ht-shadow:0 1px 2px rgba(15,46,38,.06);
  --ht-shadow-h:0 12px 28px rgba(15,46,38,.10);
  --ht-ease:cubic-bezier(.22,.61,.36,1);
  --ht-t:200ms;
  --bs-primary:#0F2E26;
  --bs-border-radius:8px;
  --bs-border-radius-lg:12px;
  --bs-border-radius-xl:16px;
  --bs-body-color:#14181A;
  --bs-body-bg:#F6F4EE;
  --bs-link-color:#0F2E26;
  --bs-link-hover-color:#1B4A3C;
}
/* ================= reset / base ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ht-ink);background:var(--ht-sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ht-t) var(--ht-ease)}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}
.ht-skip{position:absolute;left:-9999px;top:0;background:var(--ht-green);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:2000}
.ht-skip:focus{left:0}
/* ================= 容器 ================= */
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1200px){.ht-container{padding:0 32px}}
.ht-section{padding:80px 0}
.ht-section--alt{background:var(--ht-alt)}
.ht-section--white{background:#fff}
.ht-divider{height:1px;background:var(--ht-line);border:0;margin:0}
/* ================= 顶部信息条 ================= */
.ht-topbar{background:var(--ht-green);color:rgba(255,255,255,.8);font-size:12.5px;line-height:1}
.ht-topbar-inner{display:flex;align-items:center;gap:16px;height:36px}
.ht-topbar-brand{letter-spacing:.06em;font-weight:600;color:rgba(255,255,255,.72)}
.ht-topbar-note{flex:1;text-align:center;color:rgba(255,255,255,.7)}
.ht-topbar-btn{
  display:inline-flex;align-items:center;height:24px;padding:0 14px;border-radius:var(--ht-r-pill);
  border:1px solid rgba(255,255,255,.45);color:#F3F6F2;font-size:12px;font-weight:600;
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease),border-color var(--ht-t) var(--ht-ease);
}
.ht-topbar-btn:hover{background:var(--ht-lime);color:var(--ht-green);border-color:var(--ht-lime)}
@media (max-width:767px){.ht-topbar-note{display:none}.ht-topbar-inner{justify-content:space-between}}
/* ================= 主导航 ================= */
.ht-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--ht-line);box-shadow:var(--ht-shadow)}
.ht-nav-inner{display:flex;align-items:center;gap:24px;height:64px}
.ht-brand{display:flex;align-items:center;gap:10px;flex:none}
.ht-brand-mark{flex:none}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.1}
.ht-brand-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--ht-green)}
.ht-brand-text em{font-style:normal;font-size:11px;color:var(--ht-faint);letter-spacing:.05em;white-space:nowrap;margin-top:2px}
.ht-nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.ht-nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;padding:0 14px;
  font-size:15px;color:var(--ht-ink);font-weight:500;
}
.ht-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:18px;height:2px;width:0;
  background:var(--ht-lime);transition:width var(--ht-t) var(--ht-ease);
}
.ht-nav-link:hover{color:var(--ht-green)}
.ht-nav-link:hover::after,.ht-nav-link.active::after{width:calc(100% - 28px)}
.ht-nav-link.active{color:var(--ht-green);font-weight:600}
.ht-nav-cta{height:40px;padding:0 20px;font-size:14.5px;flex:none}
.ht-nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--ht-line);background:#fff;
  align-items:center;justify-content:center;margin-left:auto;
}
.ht-nav-toggle:hover{border-color:var(--ht-green)}
@media (max-width:991px){
  .ht-nav-list,.ht-nav-cta{display:none}
  .ht-nav-toggle{display:inline-flex}
  .ht-brand-text em{display:none}
}
/* 移动抽屉 */
.ht-drawer{width:300px!important;background:#fff}
.ht-drawer .offcanvas-header{border-bottom:1px solid var(--ht-line);padding:18px 20px}
.ht-drawer .offcanvas-title{font-size:15px;font-weight:700;color:var(--ht-green)}
.ht-drawer-close{width:34px;height:34px;border-radius:50%;border:1px solid var(--ht-line);background:#fff;display:inline-flex;align-items:center;justify-content:center}
.ht-drawer-close:hover{border-color:var(--ht-green);background:var(--ht-alt)}
.ht-drawer .offcanvas-body{padding:16px 20px 28px;display:flex;flex-direction:column}
.ht-drawer-list{display:flex;flex-direction:column;margin-bottom:24px}
.ht-drawer-list a{display:flex;align-items:center;height:44px;font-size:15.5px;color:var(--ht-ink);border-bottom:1px solid var(--ht-line)}
.ht-drawer-list a.active{color:var(--ht-green);font-weight:600}
.ht-drawer .ht-btn{width:100%}
/* ================= 按钮 ================= */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border-radius:var(--ht-r-pill);border:1.5px solid transparent;cursor:pointer;
  text-align:center;transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease),
    border-color var(--ht-t) var(--ht-ease),box-shadow var(--ht-t) var(--ht-ease);
}
.ht-btn svg{transition:transform var(--ht-t) var(--ht-ease);flex:none}
.ht-btn:hover svg{transform:translateX(4px)}
.ht-btn-primary{background:var(--ht-lime);color:var(--ht-green);height:48px;padding:0 28px;font-size:16px}
.ht-btn-primary:hover{background:#d8f873;color:var(--ht-green)}
.ht-btn-primary:active{background:#bfe843}
.ht-btn-ghost{background:transparent;border-color:var(--ht-green);color:var(--ht-green);height:48px;padding:0 26px;font-size:16px}
.ht-btn-ghost:hover{background:var(--ht-green);color:#F3F6F2}
.ht-btn-white{background:#fff;color:var(--ht-green);height:48px;padding:0 26px;font-size:16px}
.ht-btn-white:hover{background:var(--ht-lime);color:var(--ht-green)}
.ht-btn-sm{height:40px;padding:0 20px;font-size:14.5px}
.ht-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ht-green);
  border-bottom:2px solid var(--ht-lime);padding-bottom:2px;
}
.ht-link:hover{color:var(--ht-green-2)}
.ht-link svg{transition:transform var(--ht-t) var(--ht-ease)}
.ht-link:hover svg{transform:translateX(4px)}
/* ================= 徽章 / 小标签 ================= */
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  background:#E8F5D8;color:var(--ht-green);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.ht-badge--clay{background:#FBE7DD;color:#A9471B}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ht-muted);
}
.ht-eyebrow::before{content:"";width:3px;height:14px;background:var(--ht-lime);border-radius:2px}
/* ================= 区块标题 ================= */
.ht-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.ht-h2{font-size:clamp(24px,2.8vw,38px);line-height:1.2;font-weight:700;letter-spacing:-.01em;color:var(--ht-ink);margin-top:12px}
.ht-section-sub{font-size:15px;color:var(--ht-muted);margin-top:10px;max-width:620px}
.ht-section-head--center{justify-content:center;text-align:center;flex-direction:column;align-items:center}
.ht-section-head--center .ht-section-sub{margin-left:auto;margin-right:auto}
/* ================= Hero ================= */
.ht-hero{background:var(--ht-sand);padding:72px 0 88px;position:relative;overflow:hidden}
.ht-h1{font-size:clamp(30px,4.2vw,54px);line-height:1.12;font-weight:700;letter-spacing:-.01em;color:var(--ht-green);margin:18px 0 0;max-width:16em}
.ht-hero-sub{font-size:17px;line-height:1.7;color:var(--ht-muted);margin-top:18px;max-width:34em}
.ht-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.ht-stats{display:flex;align-items:stretch;margin-top:40px;flex-wrap:wrap;gap:0}
.ht-stat{padding:0 24px;border-left:1px solid var(--ht-line)}
.ht-stat:first-child{padding-left:0;border-left:0}
.ht-stat-num{font-family:Barlow,Inter,"Helvetica Neue",Arial,sans-serif;font-size:24px;font-weight:700;line-height:1.2;color:var(--ht-green);font-variant-numeric:tabular-nums}
.ht-stat-label{font-size:12px;color:var(--ht-faint);letter-spacing:.04em;margin-top:2px}
.ht-phone-wrap{position:relative;display:flex;justify-content:center;padding:12px 0}
.ht-phone-wrap::before{
  content:"";position:absolute;inset:0;border-radius:32px;
  background-image:linear-gradient(rgba(15,46,38,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(15,46,38,.10) 1px,transparent 1px);
  background-size:12px 12px;opacity:.6;z-index:0;margin:24px 8px;
}
.ht-phone{
  position:relative;z-index:1;width:min(280px,80%);aspect-ratio:9/18;border-radius:28px;
  border:1px solid var(--ht-line);background:var(--ht-alt);overflow:hidden;
  box-shadow:0 18px 40px rgba(15,46,38,.14);
}
.ht-phone img{width:100%;height:100%;object-fit:cover}
.ht-phone-badge{
  position:absolute;z-index:2;right:6%;bottom:12%;background:#fff;border:1px solid var(--ht-line);
  border-radius:var(--ht-r-pill);padding:7px 14px;font-size:12px;font-weight:600;color:var(--ht-green);
  box-shadow:var(--ht-shadow);display:inline-flex;align-items:center;gap:6px;
}
.ht-phone-badge svg{color:var(--ht-green-2)}
@media (max-width:991px){
  .ht-hero{padding:48px 0 56px}
  .ht-phone-wrap{margin-top:40px;padding-bottom:8px}
}
@media (max-width:575px){
  .ht-stats{gap:16px 0}
  .ht-stat{padding:0 16px}
  .ht-hero-actions .ht-btn{width:100%}
}
/* ================= 价值条目 ================= */
.ht-value-list{border-top:1px solid var(--ht-line)}
.ht-value-item{
  display:grid;grid-template-columns:88px 1fr 150px;gap:24px;align-items:start;
  padding:28px 16px;border-bottom:1px solid var(--ht-line);
  transition:background var(--ht-t) var(--ht-ease);
}
.ht-value-item:hover{background:#FBFAF6}
.ht-value-num{
  font-family:Barlow,Inter,"Helvetica Neue",Arial,sans-serif;font-size:44px;line-height:1;font-weight:700;
  color:rgba(15,46,38,.18);font-variant-numeric:tabular-nums;transition:color var(--ht-t) var(--ht-ease);
}
.ht-value-item:hover .ht-value-num{color:var(--ht-green-2)}
.ht-value-title{font-size:18px;font-weight:600;line-height:1.4;color:var(--ht-ink)}
.ht-value-desc{font-size:14px;line-height:1.75;color:var(--ht-muted);margin-top:8px;max-width:46em}
.ht-value-link{justify-self:end;align-self:center;font-size:14px;font-weight:600;color:var(--ht-green);display:inline-flex;align-items:center;gap:6px}
.ht-value-link svg{transition:transform var(--ht-t) var(--ht-ease)}
.ht-value-item:hover .ht-value-link svg{transform:translateX(4px)}
@media (max-width:767px){
  .ht-value-item{grid-template-columns:1fr;gap:10px;padding:24px 12px}
  .ht-value-num{font-size:32px}
  .ht-value-link{justify-self:start}
}
/* ================= 轮播 ================= */
.ht-carousel{position:relative}
.ht-slide-row{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;padding:8px 0 0}
.ht-slide-title{font-size:20px;font-weight:600;line-height:1.45;color:var(--ht-ink)}
.ht-slide-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.ht-slide-list li{position:relative;padding-left:20px;font-size:14.5px;line-height:1.7;color:var(--ht-muted)}
.ht-slide-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--ht-lime)}
.ht-slide-media{aspect-ratio:16/10;border-radius:var(--ht-r-l);overflow:hidden;background:var(--ht-alt);border:1px solid var(--ht-line)}
.ht-slide-media img{width:100%;height:100%;object-fit:cover}
.ht-car-foot{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:28px;flex-wrap:wrap}
.carousel-indicators.ht-thumbs{position:static;display:flex;justify-content:flex-start;gap:12px;margin:0;padding:0;list-style:none}
.carousel-indicators.ht-thumbs button{
  width:96px;height:64px;border-radius:var(--ht-r-s);border:1px solid var(--ht-line);background:#fff;
  opacity:.5;padding:0;overflow:hidden;text-indent:0;margin:0;
  transition:opacity var(--ht-t) var(--ht-ease),border-color var(--ht-t) var(--ht-ease);
}
.carousel-indicators.ht-thumbs button img{width:100%;height:100%;object-fit:cover}
.carousel-indicators.ht-thumbs button.active{opacity:1;border:2px solid var(--ht-lime);background:#fff}
.ht-car-ctrl{display:flex;align-items:center;gap:12px}
.ht-car-btn{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--ht-green);background:transparent;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ht-green);
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease);
}
.ht-car-btn:hover{background:var(--ht-green);color:#F3F6F2}
.ht-car-count{font-family:Barlow,Inter,Arial,sans-serif;font-size:12px;color:var(--ht-faint);letter-spacing:.08em;font-variant-numeric:tabular-nums}
@media (max-width:991px){
  .ht-slide-row{grid-template-columns:1fr;gap:24px}
}
@media (max-width:575px){
  .carousel-indicators.ht-thumbs{display:none}
  .ht-car-foot{justify-content:flex-end}
}
/* ================= 系统要求 ================= */
.ht-spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.ht-spec-col h3{font-size:20px;font-weight:600;color:var(--ht-green);padding-bottom:14px;border-bottom:2px solid var(--ht-green)}
.ht-spec-list{margin-top:4px}
.ht-spec-list>div{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--ht-line)}
.ht-spec-list dt{font-size:13px;color:var(--ht-faint);flex:none}
.ht-spec-list dd{font-size:15px;color:var(--ht-ink);text-align:right;margin:0}
.ht-spec-note{font-size:13px;color:var(--ht-muted);margin-top:28px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
@media (max-width:767px){.ht-spec-grid{grid-template-columns:1fr;gap:36px}}
/* ================= 评价墙 ================= */
.ht-review-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.ht-score-num{font-family:Barlow,Inter,Arial,sans-serif;font-size:56px;font-weight:700;line-height:1;color:var(--ht-green);font-variant-numeric:tabular-nums}
.ht-stars{display:flex;gap:4px;margin-top:12px;color:var(--ht-clay)}
.ht-score-label{font-size:13px;color:var(--ht-faint);margin-top:10px;letter-spacing:.04em}
.ht-score-note{font-size:13.5px;color:var(--ht-muted);margin-top:6px;max-width:20em}
.ht-review-cards{columns:2;column-gap:20px}
.ht-review-card{
  break-inside:avoid;margin-bottom:20px;background:#fff;border:1px solid var(--ht-line);
  border-radius:var(--ht-r-l);padding:20px;box-shadow:var(--ht-shadow);
  transition:transform var(--ht-t) var(--ht-ease),box-shadow var(--ht-t) var(--ht-ease);
}
.ht-review-card:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-h)}
.ht-review-head{display:flex;align-items:center;gap:10px}
.ht-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--ht-green);color:#F3F6F2;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;flex:none;
}
.ht-review-name{font-size:14px;font-weight:600;color:var(--ht-ink)}
.ht-review-date{font-size:12px;color:var(--ht-faint);margin-top:1px}
.ht-review-stars{display:flex;gap:3px;margin:12px 0 8px;color:var(--ht-clay)}
.ht-review-text{font-size:14px;line-height:1.75;color:var(--ht-muted)}
@media (max-width:991px){
  .ht-review-wrap{grid-template-columns:1fr;gap:36px}
  .ht-review-cards{columns:2}
}
@media (max-width:575px){.ht-review-cards{columns:1}}
/* ================= 下载区块 ================= */
.ht-download{background:var(--ht-green);color:#F3F6F2;padding:72px 0;position:relative;overflow:hidden}
.ht-download::before{
  content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:40px 40px;opacity:.6;pointer-events:none;
}
.ht-download-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.ht-download h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:700;color:#fff;letter-spacing:-.01em}
.ht-download-desc{font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);margin-top:14px;max-width:34em}
.ht-download-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.ht-download-meta{
  font-size:12.5px;color:rgba(255,255,255,.6);margin-top:22px;
  font-variant-numeric:tabular-nums;line-height:1.8;
}
.ht-qr{display:flex;flex-direction:column;align-items:center;gap:12px;justify-self:center}
.ht-qr-box{
  width:120px;height:120px;border-radius:var(--ht-r-s);background:#fff;display:grid;place-items:center;
}
.ht-qr-box::before{
  content:"";width:92px;height:92px;border-radius:2px;opacity:.9;
  background-image:repeating-conic-gradient(#0F2E26 0% 25%,#fff 0% 50%);
  background-size:12px 12px;
}
.ht-qr span{font-size:12.5px;color:rgba(255,255,255,.75)}
@media (max-width:991px){
  .ht-download-inner{grid-template-columns:1fr;gap:36px}
  .ht-qr{justify-self:flex-start}
}
@media (max-width:575px){.ht-download-actions .ht-btn{width:100%}}
/* ================= 资讯卡片 ================= */
.ht-post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ht-post{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--ht-line);
  border-radius:var(--ht-r-l);overflow:hidden;
  transition:transform var(--ht-t) var(--ht-ease),box-shadow var(--ht-t) var(--ht-ease);
}
.ht-post:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-h)}
.ht-post-media{aspect-ratio:16/9;background:var(--ht-alt);overflow:hidden}
.ht-post-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ht-ease)}
.ht-post:hover .ht-post-media img{transform:scale(1.03)}
.ht-post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.ht-post-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ht-faint);margin-bottom:12px}
.ht-post-title{
  font-size:18px;line-height:1.45;font-weight:600;color:var(--ht-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-post-excerpt{
  font-size:14px;line-height:1.75;color:var(--ht-muted);margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.ht-post-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ht-faint)}
.ht-post-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ht-green);font-size:13px}
.ht-post-more svg{transition:transform var(--ht-t) var(--ht-ease)}
.ht-post:hover .ht-post-more svg{transform:translateX(4px)}
.ht-empty{
  border:1px dashed #D8D4C8;border-radius:var(--ht-r-l);padding:56px 24px;text-align:center;color:var(--ht-muted);
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.ht-empty svg{color:var(--ht-faint)}
.ht-empty p{font-size:15px}
@media (max-width:991px){.ht-post-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.ht-post-grid{grid-template-columns:1fr}}
/* ================= FAQ ================= */
.ht-faq{max-width:880px;margin:0 auto}
.ht-faq .accordion-item{background:transparent;border:0;border-top:1px solid var(--ht-line)}
.ht-faq .accordion-item:last-child{border-bottom:1px solid var(--ht-line)}
.ht-faq .accordion-header{margin:0}
.ht-faq .accordion-button{
  background:transparent;box-shadow:none;padding:20px 44px 20px 0;font-size:17px;font-weight:600;
  color:var(--ht-ink);line-height:1.5;border-radius:0;
}
.ht-faq .accordion-button:not(.collapsed){color:var(--ht-green);background:transparent;box-shadow:none}
.ht-faq .accordion-button:focus{box-shadow:none;outline:none}
.ht-faq .accordion-button:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}
.ht-faq .accordion-button::after{
  content:"";width:20px;height:20px;flex:none;background:none;border:0;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='none' stroke='%230F2E26' stroke-width='1.5' stroke-linecap='round'%3E%3Cpath d='M10 4v12M4 10h12'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
  transition:transform var(--ht-t) var(--ht-ease);
}
.ht-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.ht-faq .accordion-body{padding:0 56px 20px 0;font-size:15px;line-height:1.85;color:var(--ht-muted)}
/* ================= CTA 带 ================= */
.ht-cta-band{background:var(--ht-sand);padding:56px 0;border-top:1px solid var(--ht-line)}
.ht-cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ht-cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;color:var(--ht-green);line-height:1.3}
.ht-cta-band p{font-size:14px;color:var(--ht-muted);margin-top:8px}
/* ================= 页脚 ================= */
.ht-footer{background:var(--ht-green);color:#F3F6F2;padding-top:64px}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ht-footer-brand strong{font-size:17px;font-weight:700;color:#fff}
.ht-footer-brand em{font-style:normal;display:block;font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.05em;margin-top:2px}
.ht-footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:30em}
.ht-footer-safe{display:flex;gap:8px;align-items:flex-start;margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.7}
.ht-footer-safe svg{flex:none;margin-top:2px;color:var(--ht-lime)}
.ht-footer h3{font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(255,255,255,.5);margin-bottom:16px}
.ht-footer-links{display:flex;flex-direction:column;gap:10px}
.ht-footer-links a{font-size:14px;color:rgba(255,255,255,.82)}
.ht-footer-links a:hover{color:var(--ht-lime)}
.ht-footer-info{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66)}
.ht-footer-info span{display:block}
.ht-footer-bottom{
  border-top:1px solid var(--ht-line-dark);padding:22px 0 28px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.5);
}
.ht-footer-bottom .ht-domain{letter-spacing:.06em}
@media (max-width:991px){.ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575px){
  .ht-footer{padding-top:48px}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-footer-bottom{justify-content:center;text-align:center}
}
/* ================= 动效 ================= */
@media (prefers-reduced-motion: no-preference){
  .ht-reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ht-ease),transform .55s var(--ht-ease)}
  .ht-reveal.is-in{opacity:1;transform:none}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .ht-reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ht-ink:#0F2E26;
  --ht-ink-2:#1B4A3C;
  --ht-lime:#C9F24D;
  --ht-lime-soft:#E8F5D8;
  --ht-clay:#E4703C;
  --ht-sand:#F6F4EE;
  --ht-sand-2:#F0EEE6;
  --ht-white:#FFFFFF;
  --ht-text:#14181A;
  --ht-muted:#5A6560;
  --ht-weak:#8A938D;
  --ht-line:#E1DED4;
  --ht-r-sm:8px;
  --ht-r-md:12px;
  --ht-r-lg:16px;
  --ht-r-pill:999px;
  --ht-shadow:0 1px 2px rgba(15,46,38,.06);
  --ht-shadow-hover:0 12px 28px rgba(15,46,38,.10);
  --ht-ease:cubic-bezier(.22,.61,.36,1);
  --ht-t:200ms;
  --bs-primary:#0F2E26;
  --bs-body-color:#14181A;
  --bs-border-color:#E1DED4;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ht-text);
  background:var(--ht-sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--ht-ink);text-decoration:none}
a:hover{color:var(--ht-ink-2)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ht-ink);font-weight:700;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}
.ht-skip{position:absolute;left:-9999px;top:0;background:var(--ht-ink);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:2000}
.ht-skip:focus{left:0;color:#fff}
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1200px){.ht-container{padding:0 32px}}

/* 顶部信息条 */
.ht-topbar{background:var(--ht-ink);color:rgba(243,246,242,.8);font-size:12.5px}
.ht-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.ht-topbar-site{letter-spacing:.06em;font-variant-numeric:tabular-nums}
.ht-topbar-tip{flex:1;text-align:center;border-left:1px solid rgba(255,255,255,.14);padding-left:16px;margin-left:4px}
.ht-topbar-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:24px;padding:0 14px;border-radius:var(--ht-r-pill);
  border:1px solid rgba(255,255,255,.4);color:#F3F6F2;font-size:12px;
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease),border-color var(--ht-t);
}
.ht-topbar-btn:hover{background:var(--ht-lime);color:var(--ht-ink);border-color:var(--ht-lime)}
@media (max-width:575px){.ht-topbar-tip{display:none}}

/* 主导航 */
.ht-header{position:sticky;top:0;z-index:1030;background:var(--ht-white);border-bottom:1px solid var(--ht-line)}
.ht-nav-inner{display:flex;align-items:center;gap:20px;height:64px}
.ht-brand{display:flex;align-items:center;gap:10px;flex:none}
.ht-brand-mark{flex:none}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.2}
.ht-brand-text strong{font-size:18px;font-weight:700;color:var(--ht-ink);letter-spacing:.01em}
.ht-brand-text em{font-style:normal;font-size:11px;letter-spacing:.05em;color:var(--ht-weak);white-space:nowrap}
.ht-nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin:0 0 0 auto;padding:0}
.ht-nav-link{
  position:relative;display:block;padding:9px 12px;font-size:14.5px;color:var(--ht-muted);
  border-radius:8px;transition:color var(--ht-t) var(--ht-ease);
}
.ht-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
  background:var(--ht-lime);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--ht-t) var(--ht-ease);
}
.ht-nav-link:hover,.ht-nav-link:focus-visible{color:var(--ht-ink)}
.ht-nav-link:hover::after,.ht-nav-link.active::after{transform:scaleX(1)}
.ht-nav-link.active{color:var(--ht-ink);font-weight:600}
.ht-nav-cta{height:40px;padding:0 20px;font-size:14px;flex:none;margin-left:8px}
.ht-nav-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;margin-left:auto;
  border:1px solid var(--ht-line);border-radius:10px;background:var(--ht-white);color:var(--ht-ink);
  transition:border-color var(--ht-t),background var(--ht-t);
}
.ht-nav-toggle:hover{border-color:var(--ht-ink);background:var(--ht-sand)}
@media (max-width:991px){
  .ht-nav-list,.ht-nav-cta{display:none}
  .ht-nav-toggle{display:inline-flex}
}

/* 按钮与徽章 */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--ht-r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease),
             border-color var(--ht-t) var(--ht-ease),transform var(--ht-t) var(--ht-ease);
}
.ht-btn svg{flex:none;transition:transform var(--ht-t) var(--ht-ease)}
.ht-btn:hover svg{transform:translateX(4px)}
.ht-btn-primary{background:var(--ht-lime);color:var(--ht-ink)}
.ht-btn-primary:hover{background:#d8f96e;color:var(--ht-ink);transform:translateY(-1px)}
.ht-btn-ghost{background:transparent;border-color:var(--ht-ink);color:var(--ht-ink)}
.ht-btn-ghost:hover{background:var(--ht-ink);color:#F3F6F2}
.ht-btn-light{background:var(--ht-white);color:var(--ht-ink);border-color:var(--ht-white)}
.ht-btn-light:hover{background:var(--ht-lime);border-color:var(--ht-lime);color:var(--ht-ink)}
.ht-btn-block{width:100%}
.ht-btn-sm{height:38px;padding:0 18px;font-size:14px}
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;background:var(--ht-lime-soft);color:var(--ht-ink);
  font-size:12px;font-weight:600;line-height:1.5;
}
.ht-badge-outline{background:transparent;border:1px solid var(--ht-line);color:var(--ht-muted);font-weight:500}

/* 面包屑 */
.ht-crumb-bar{background:var(--ht-sand);border-bottom:1px solid var(--ht-line)}
.ht-crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 0;font-size:12.5px;color:var(--ht-weak);list-style:none;margin:0}
.ht-crumb li{display:flex;align-items:center;gap:8px;min-width:0}
.ht-crumb a{color:var(--ht-muted)}
.ht-crumb a:hover{color:var(--ht-ink);text-decoration:underline;text-underline-offset:4px}
.ht-crumb .ht-crumb-sep{color:#C4C0B4}
.ht-crumb .ht-crumb-current{color:var(--ht-muted);max-width:16em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章主体 */
.ht-main{padding:48px 0 72px}
.ht-article-layout{display:grid;grid-template-columns:minmax(0,760px) 320px;gap:48px;align-items:start}
.ht-article{background:var(--ht-white);border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);padding:40px;box-shadow:var(--ht-shadow)}
.ht-article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--ht-weak);margin-bottom:18px}
.ht-meta-dot{color:#C4C0B4}
.ht-article-title{font-size:clamp(26px,3.2vw,40px);line-height:1.25;margin-bottom:18px;word-break:break-word}
.ht-article-lead{
  font-size:15.5px;line-height:1.8;color:var(--ht-muted);
  border-left:3px solid var(--ht-lime);padding:2px 0 2px 14px;margin-bottom:28px;
}
.ht-article-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--ht-r-lg);background:var(--ht-sand-2);margin-bottom:32px}

/* 正文排版 */
.ht-prose{font-size:16.5px;line-height:1.9;color:#232A27;word-break:break-word}
.ht-prose > *:first-child{margin-top:0}
.ht-prose p{margin:0 0 20px}
.ht-prose h2{
  position:relative;font-size:25px;line-height:1.35;margin:40px 0 16px;padding-left:16px;
}
.ht-prose h2::before{content:"";position:absolute;left:0;top:9px;width:4px;height:20px;border-radius:2px;background:var(--ht-lime)}
.ht-prose h3{font-size:20px;line-height:1.5;margin:28px 0 12px;color:var(--ht-ink)}
.ht-prose h4{font-size:17px;line-height:1.5;margin:22px 0 10px;color:var(--ht-ink)}
.ht-prose ul,.ht-prose ol{margin:0 0 20px;padding-left:20px}
.ht-prose ul{list-style:none;padding-left:20px}
.ht-prose ul li{position:relative;padding-left:16px;margin-bottom:8px;line-height:1.9}
.ht-prose ul li::before{
  content:"";position:absolute;left:0;top:.78em;width:6px;height:6px;border-radius:2px;background:var(--ht-lime);
}
.ht-prose ol li{margin-bottom:8px;line-height:1.9}
.ht-prose blockquote{
  margin:24px 0;padding:16px 20px;background:var(--ht-sand);border-left:3px solid var(--ht-lime);
  border-radius:0 var(--ht-r-md) var(--ht-r-md) 0;color:var(--ht-muted);font-size:14.5px;line-height:1.85;
}
.ht-prose blockquote p:last-child{margin-bottom:0}
.ht-prose img{border-radius:var(--ht-r-md);margin:24px 0;width:100%;background:var(--ht-sand-2)}
.ht-prose figure{margin:24px 0}
.ht-prose figcaption{font-size:12.5px;color:var(--ht-weak);text-align:center;margin-top:10px}
.ht-prose a{color:var(--ht-ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;text-decoration-color:var(--ht-lime)}
.ht-prose a:hover{color:var(--ht-ink-2);text-decoration-color:var(--ht-ink-2)}
.ht-prose code{background:var(--ht-sand-2);border-radius:6px;padding:2px 6px;font-size:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.ht-prose pre{background:var(--ht-sand-2);border-radius:10px;padding:16px 18px;overflow:auto;margin:0 0 20px}
.ht-prose pre code{background:none;padding:0}
.ht-prose table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px}
.ht-prose th,.ht-prose td{border:1px solid var(--ht-line);padding:12px 16px;text-align:left;line-height:1.7}
.ht-prose th{background:var(--ht-sand);font-weight:600;color:var(--ht-ink)}
.ht-prose hr{border:none;border-top:1px solid var(--ht-line);margin:32px 0}

/* 空态 */
.ht-empty{
  border:1px dashed #D8D4C8;border-radius:var(--ht-r-lg);padding:56px 24px;text-align:center;
  background:var(--ht-sand);
}
.ht-empty svg{margin:0 auto 14px;color:var(--ht-weak)}
.ht-empty h2{font-size:20px;margin-bottom:8px}
.ht-empty p{font-size:14.5px;color:var(--ht-muted);margin-bottom:20px}

/* 侧栏 */
.ht-aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.ht-download-card{background:var(--ht-ink);color:#F3F6F2;border-radius:var(--ht-r-lg);padding:28px 24px}
.ht-download-card h2{font-size:20px;color:#fff;margin-bottom:10px}
.ht-download-card p{font-size:14px;line-height:1.75;color:rgba(243,246,242,.72);margin-bottom:20px}
.ht-download-card .ht-btn{height:46px}
.ht-download-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px;font-size:12px;color:rgba(243,246,242,.6);font-variant-numeric:tabular-nums}
.ht-aside-card{background:var(--ht-white);border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);padding:22px 24px;box-shadow:var(--ht-shadow)}
.ht-aside-card h2{font-size:15px;margin-bottom:14px;letter-spacing:.01em}
.ht-aside-list{list-style:none;margin:0;padding:0}
.ht-aside-list li + li{border-top:1px solid var(--ht-line)}
.ht-aside-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14px;color:var(--ht-muted);
  transition:color var(--ht-t) var(--ht-ease);
}
.ht-aside-list a:hover{color:var(--ht-ink)}
.ht-aside-list svg{color:#C4C0B4;flex:none;transition:transform var(--ht-t) var(--ht-ease),color var(--ht-t)}
.ht-aside-list a:hover svg{transform:translateX(3px);color:var(--ht-ink)}
.ht-tip-card{background:var(--ht-sand-2);border:1px solid var(--ht-line);border-radius:var(--ht-r-lg);padding:20px 22px}
.ht-tip-card p{font-size:13px;line-height:1.8;color:var(--ht-muted)}
.ht-tip-card p + p{margin-top:8px}

/* 继续了解 */
.ht-section{padding:72px 0}
.ht-section-sand{background:var(--ht-sand-2)}
.ht-section-head{max-width:720px;margin-bottom:32px}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ht-muted);margin-bottom:12px;
}
.ht-eyebrow::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--ht-lime)}
.ht-section-head h2{font-size:clamp(24px,2.8vw,34px);line-height:1.25}
.ht-section-head p{margin-top:12px;font-size:15px;color:var(--ht-muted);line-height:1.8}
.ht-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.ht-card{
  display:flex;flex-direction:column;background:var(--ht-white);border:1px solid var(--ht-line);
  border-radius:var(--ht-r-lg);overflow:hidden;box-shadow:var(--ht-shadow);
  transition:transform var(--ht-t) var(--ht-ease),box-shadow var(--ht-t) var(--ht-ease);
}
.ht-card:hover{transform:translateY(-2px);box-shadow:var(--ht-shadow-hover)}
.ht-card-media{aspect-ratio:16/9;overflow:hidden;background:var(--ht-sand-2)}
.ht-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ht-ease)}
.ht-card:hover .ht-card-media img{transform:scale(1.03)}
.ht-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.ht-card-body h3{font-size:18px;line-height:1.4}
.ht-card-body p{font-size:14px;line-height:1.75;color:var(--ht-muted)}
.ht-card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px;
  font-size:14px;font-weight:600;color:var(--ht-ink);
}
.ht-card-link svg{transition:transform var(--ht-t) var(--ht-ease)}
.ht-card-link:hover svg{transform:translateX(4px)}

/* 返回条 */
.ht-back-bar{display:flex;justify-content:center;margin-top:36px}

/* 通栏 CTA 带 */
.ht-cta-band{background:var(--ht-sand-2);border-top:1px solid var(--ht-line)}
.ht-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:36px 0}
.ht-cta-inner h2{font-size:clamp(20px,2.2vw,26px)}
.ht-cta-inner p{margin-top:8px;font-size:14.5px;color:var(--ht-muted)}
@media (max-width:767px){
  .ht-cta-inner{flex-direction:column;align-items:flex-start;padding:32px 0}
  .ht-cta-inner .ht-btn{width:100%}
}

/* 页脚 */
.ht-footer{background:var(--ht-ink);color:rgba(243,246,242,.78);padding:64px 0 0}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ht-footer-brand strong{display:block;font-size:18px;color:#fff;line-height:1.3}
.ht-footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.05em;color:rgba(243,246,242,.55)}
.ht-footer-desc{font-size:13.5px;line-height:1.8;color:rgba(243,246,242,.7);margin-bottom:14px}
.ht-footer-safe{display:flex;gap:8px;font-size:12.5px;line-height:1.7;color:rgba(243,246,242,.6)}
.ht-footer-safe svg{flex:none;margin-top:2px;color:var(--ht-lime)}
.ht-footer h3{font-size:13px;letter-spacing:.06em;color:#fff;margin-bottom:16px;font-weight:600}
.ht-footer-links{display:flex;flex-direction:column;gap:10px}
.ht-footer-links a{font-size:13.5px;color:rgba(243,246,242,.72);transition:color var(--ht-t) var(--ht-ease)}
.ht-footer-links a:hover{color:var(--ht-lime)}
.ht-footer-info{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(243,246,242,.72)}
.ht-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;font-size:12.5px;color:rgba(243,246,242,.55);
}
.ht-domain{font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* 抽屉 */
.ht-drawer{width:300px;background:var(--ht-white);border-left:1px solid var(--ht-line)}
.ht-drawer .offcanvas-header{border-bottom:1px solid var(--ht-line);padding:16px 20px}
.ht-drawer .offcanvas-title{font-size:15px;font-weight:700;color:var(--ht-ink)}
.ht-drawer-close{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--ht-line);background:var(--ht-white);color:var(--ht-ink);cursor:pointer;
}
.ht-drawer-close:hover{border-color:var(--ht-ink);background:var(--ht-sand)}
.ht-drawer .offcanvas-body{padding:12px 20px 24px;display:flex;flex-direction:column}
.ht-drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:44px;
  font-size:15px;color:var(--ht-muted);border-bottom:1px solid var(--ht-line);
}
.ht-drawer-link:hover,.ht-drawer-link.active{color:var(--ht-ink);font-weight:600}
.ht-drawer .ht-btn{margin-top:20px}

/* 响应式 */
@media (max-width:1199px){
  .ht-article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
}
@media (max-width:991px){
  .ht-main{padding:32px 0 56px}
  .ht-article-layout{grid-template-columns:minmax(0,1fr)}
  .ht-aside{position:static;top:auto;flex-direction:row;flex-wrap:wrap}
  .ht-aside > *{flex:1 1 260px}
  .ht-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ht-section{padding:56px 0}
}
@media (max-width:767px){
  .ht-article{padding:24px 20px}
  .ht-prose{font-size:16px;line-height:1.85}
  .ht-prose h2{font-size:22px;margin-top:32px}
  .ht-prose h3{font-size:19px}
  .ht-prose table,.ht-prose thead,.ht-prose tbody,.ht-prose tr,.ht-prose th,.ht-prose td{display:block;width:100%}
  .ht-prose thead{display:none}
  .ht-prose tr{border:1px solid var(--ht-line);border-radius:10px;padding:4px 14px;margin-bottom:12px}
  .ht-prose td{border:none;padding:8px 0;font-size:14.5px}
  .ht-prose td + td{border-top:1px dashed var(--ht-line)}
  .ht-prose th{border:none}
  .ht-card-grid{grid-template-columns:1fr}
  .ht-aside{flex-direction:column}
  .ht-aside > *{flex:1 1 auto}
}
@media (max-width:575px){
  .ht-container{padding:0 18px}
  .ht-section{padding:48px 0}
  .ht-brand-text em{max-width:150px;overflow:hidden;text-overflow:ellipsis}
  .ht-btn{width:100%}
  .ht-nav-cta{width:auto}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-footer-bottom{flex-direction:column;align-items:center;text-align:center;gap:8px}
  .ht-cta-inner .ht-btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category1 */
:root{
  --ht-green:#0F2E26;
  --ht-green-2:#1B4A3C;
  --ht-lime:#C9F24D;
  --ht-orange:#E4703C;
  --ht-bg:#F6F4EE;
  --ht-bg-alt:#F0EEE6;
  --ht-white:#FFFFFF;
  --ht-ink:#14181A;
  --ht-ink-2:#5A6560;
  --ht-ink-3:#8A938D;
  --ht-line:#E1DED4;
  --ht-radius:16px;
  --ht-radius-sm:10px;
  --ht-shadow:0 1px 2px rgba(15,46,38,.06);
  --ht-shadow-hover:0 12px 28px rgba(15,46,38,.10);
  --ht-t:180ms;
  --ht-ease:cubic-bezier(.22,.61,.36,1);
  --ht-max:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ht-bg);
  color:var(--ht-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Helvetica,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0}
ul,ol{padding:0;list-style:none}
strong{font-weight:700}
::selection{background:var(--ht-lime);color:var(--ht-green)}

.ht-skip{
  position:absolute;left:-9999px;top:0;z-index:2000;
  background:var(--ht-lime);color:var(--ht-green);
  padding:10px 18px;border-radius:0 0 10px 0;font-size:14px;font-weight:600;
}
.ht-skip:focus{left:0}

.ht-container{width:100%;max-width:var(--ht-max);margin:0 auto;padding:0 24px}
@media (min-width:1200px){.ht-container{padding:0 32px}}

/* ============ 顶部信息条 ============ */
.ht-topbar{background:var(--ht-green);color:rgba(243,246,242,.80);font-size:12.5px}
.ht-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.ht-topbar-site{
  font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(243,246,242,.72);white-space:nowrap;
}
.ht-topbar-tip{flex:1;text-align:center;color:rgba(243,246,242,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ht-topbar-btn{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border:1px solid rgba(243,246,242,.42);border-radius:999px;
  font-size:12px;color:#F3F6F2;white-space:nowrap;
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease),border-color var(--ht-t) var(--ht-ease);
}
.ht-topbar-btn:hover{background:var(--ht-lime);border-color:var(--ht-lime);color:var(--ht-green)}
.ht-topbar-btn:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}

/* ============ 主导航 ============ */
.ht-header{
  position:sticky;top:0;z-index:1030;
  background:var(--ht-white);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ht-t) var(--ht-ease),border-color var(--ht-t) var(--ht-ease);
}
.ht-header.is-scrolled{border-bottom-color:var(--ht-line);box-shadow:0 1px 2px rgba(15,46,38,.06)}
.ht-nav-inner{display:flex;align-items:center;gap:24px;height:64px}
.ht-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.ht-brand-mark{flex:0 0 auto}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.15}
.ht-brand-text strong{font-size:17px;font-weight:700;letter-spacing:.02em;color:var(--ht-green)}
.ht-brand-text em{font-style:normal;font-size:11px;color:var(--ht-ink-3);letter-spacing:.05em;white-space:nowrap}

.ht-nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.ht-nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;padding:0 12px;
  font-size:15px;color:var(--ht-ink-2);
  transition:color var(--ht-t) var(--ht-ease);
  white-space:nowrap;
}
.ht-nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--ht-lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ht-t) var(--ht-ease);
}
.ht-nav-link:hover{color:var(--ht-green)}
.ht-nav-link:hover::after{transform:scaleX(1)}
.ht-nav-link.active{color:var(--ht-green);font-weight:600}
.ht-nav-link.active::after{transform:scaleX(1)}
.ht-nav-link:focus-visible{outline:2px solid var(--ht-lime);outline-offset:-4px;border-radius:6px}

.ht-nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;margin-left:auto;
  border:1px solid var(--ht-line);border-radius:10px;background:var(--ht-white);color:var(--ht-green);
  transition:background var(--ht-t) var(--ht-ease),border-color var(--ht-t) var(--ht-ease);
}
.ht-nav-toggle:hover{background:var(--ht-bg-alt);border-color:#CFCBBF}
.ht-nav-toggle:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}

/* ============ 按钮 ============ */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;text-align:center;
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease),
             border-color var(--ht-t) var(--ht-ease),transform var(--ht-t) var(--ht-ease),
             box-shadow var(--ht-t) var(--ht-ease);
}
.ht-btn svg{transition:transform var(--ht-t) var(--ht-ease)}
.ht-btn:hover svg{transform:translateX(4px)}
.ht-btn:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}
.ht-btn-primary{background:var(--ht-lime);color:var(--ht-green)}
.ht-btn-primary:hover{background:#D6F96A;color:var(--ht-green);transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,46,38,.12)}
.ht-btn-primary:active{transform:translateY(0)}
.ht-btn-outline{background:transparent;border-color:var(--ht-green);color:var(--ht-green)}
.ht-btn-outline:hover{background:var(--ht-green);color:#F3F6F2}
.ht-btn-light{background:var(--ht-white);color:var(--ht-green);border-color:var(--ht-white)}
.ht-btn-light:hover{background:var(--ht-bg-alt);color:var(--ht-green)}
.ht-btn-sm{height:40px;padding:0 20px;font-size:14px}
.ht-nav-cta{height:40px;padding:0 20px;font-size:14px;margin-left:8px;flex:0 0 auto}

/* ============ 标签 / 徽章 ============ */
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ht-green-2);
}
.ht-eyebrow::before{content:"";width:3px;height:14px;background:var(--ht-lime);border-radius:2px}
.ht-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:#E8F5D8;color:var(--ht-green);
}
.ht-badge-warm{background:#FBEAE0;color:#B24E1F}

/* ============ 面包屑 ============ */
.ht-breadcrumb{padding-top:20px}
.ht-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12.5px;color:var(--ht-ink-3)}
.ht-breadcrumb li{display:inline-flex;align-items:center;gap:6px}
.ht-breadcrumb li+li::before{content:"/";color:#C6C2B6}
.ht-breadcrumb a{transition:color var(--ht-t) var(--ht-ease)}
.ht-breadcrumb a:hover{color:var(--ht-green)}
.ht-breadcrumb [aria-current]{color:var(--ht-ink-2)}

/* ============ 页头 ============ */
.ht-pagehead{position:relative;overflow:hidden;padding:32px 0 56px;border-bottom:1px solid var(--ht-line)}
.ht-pagehead::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  opacity:.06;pointer-events:none;
}
.ht-pagehead::after{
  content:"";position:absolute;right:-70px;top:-50px;width:230px;height:230px;
  background:rgba(15,46,38,.06);border-radius:32px;transform:rotate(12deg);pointer-events:none;
}
.ht-pagehead .ht-container{position:relative;z-index:1}
.ht-pagehead h1{
  margin-top:14px;
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.18;
  letter-spacing:-.01em;
  font-weight:700;
  max-width:22em;
}
.ht-pagehead-lead{margin-top:16px;font-size:16.5px;line-height:1.75;color:var(--ht-ink-2);max-width:40em}
.ht-pagehead-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ============ 区块 ============ */
.ht-section{padding:56px 0}
@media (min-width:768px){.ht-section{padding:68px 0}}
@media (min-width:992px){.ht-section{padding:80px 0}}
.ht-section--alt{background:var(--ht-bg-alt)}
.ht-section--line{border-top:1px solid var(--ht-line)}
.ht-section-head{max-width:660px;margin-bottom:32px}
.ht-section-head h2{
  margin-top:12px;
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.25;
  letter-spacing:-.01em;
  font-weight:700;
}
.ht-section-head p{margin-top:12px;font-size:15.5px;line-height:1.8;color:var(--ht-ink-2)}

/* ============ 图文分栏 ============ */
.ht-split{display:grid;gap:28px;align-items:center}
@media (min-width:992px){
  .ht-split{grid-template-columns:1fr 1fr;gap:56px}
  .ht-split--rev .ht-figure{order:2}
  .ht-split--rev .ht-split-body{order:1}
}
.ht-split-body h2{
  margin-top:12px;
  font-size:clamp(22px,2.4vw,32px);
  line-height:1.28;
  letter-spacing:-.01em;
  font-weight:700;
}
.ht-split-body p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--ht-ink-2);max-width:38em}

.ht-figure{
  margin:0;overflow:hidden;border-radius:var(--ht-radius);
  border:1px solid var(--ht-line);background:var(--ht-bg-alt);
  box-shadow:var(--ht-shadow);
}
.ht-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .45s var(--ht-ease)}
.ht-figure:hover img{transform:scale(1.03)}
.ht-figure--wide img{aspect-ratio:16/10}

/* ============ 功能勾选清单 ============ */
.ht-check-list{display:grid;gap:12px;margin-top:24px}
@media (min-width:576px){.ht-check-list{grid-template-columns:1fr 1fr;column-gap:24px}}
.ht-check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;line-height:1.65;color:var(--ht-ink-2);
}
.ht-check-list li::before{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-top:8px;
  background:var(--ht-lime);border-radius:3px;
  box-shadow:inset 0 0 0 1px rgba(15,46,38,.18);
}

/* ============ 要点列表 ============ */
.ht-points{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.ht-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;line-height:1.7;color:var(--ht-ink-2);
}
.ht-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;
  background:var(--ht-lime);border-radius:2px;
}

/* ============ 轮播 ============ */
.ht-carousel{position:relative}
.ht-slide{display:grid;gap:28px;align-items:center}
@media (min-width:992px){.ht-slide{grid-template-columns:5fr 7fr;gap:56px}}
.ht-slide-body h3{
  font-size:21px;line-height:1.4;font-weight:600;letter-spacing:-.01em;color:var(--ht-green);
}
.ht-slide-body p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ht-ink-2)}
.ht-carousel-nav{display:flex;align-items:center;justify-content:flex-end;gap:12px;margin-top:28px}
.ht-carousel-count{
  font-size:12px;letter-spacing:.12em;color:var(--ht-ink-3);
  font-variant-numeric:tabular-nums;
}
.ht-carousel-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1.5px solid var(--ht-green);background:transparent;color:var(--ht-green);
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease);
}
.ht-carousel-btn:hover{background:var(--ht-green);color:#F3F6F2}
.ht-carousel-btn:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}

/* ============ 提示框 ============ */
.ht-note{
  margin-top:24px;
  background:var(--ht-bg-alt);
  border-left:3px solid var(--ht-lime);
  border-radius:0 12px 12px 0;
  padding:16px 20px;
  font-size:14px;line-height:1.85;color:var(--ht-ink-2);
}
.ht-note strong{display:block;font-size:15px;color:var(--ht-green);margin-bottom:4px}

/* ============ 表格 ============ */
.ht-table-wrap{
  overflow:hidden;border:1px solid var(--ht-line);border-radius:var(--ht-radius);
  background:var(--ht-white);box-shadow:var(--ht-shadow);
}
.ht-table{width:100%;border-collapse:collapse;font-size:14.5px}
.ht-table th{
  background:var(--ht-bg-alt);text-align:left;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ht-green);
  padding:14px 18px;border-bottom:1px solid var(--ht-line);white-space:nowrap;
}
.ht-table td{
  padding:14px 18px;border-bottom:1px solid var(--ht-line);
  color:var(--ht-ink-2);line-height:1.7;vertical-align:top;
}
.ht-table tr:last-child td{border-bottom:none}
.ht-table td:first-child{color:var(--ht-ink);font-weight:600;white-space:nowrap}
@media (max-width:767px){
  .ht-table thead{display:none}
  .ht-table,.ht-table tbody,.ht-table tr,.ht-table td{display:block;width:100%}
  .ht-table tr{
    border-bottom:1px solid var(--ht-line);padding:6px 0;
  }
  .ht-table tr:last-child{border-bottom:none}
  .ht-table td{
    display:flex;justify-content:space-between;gap:16px;
    border-bottom:none;padding:7px 16px;white-space:normal;
  }
  .ht-table td:first-child{padding-top:12px}
  .ht-table td::before{
    content:attr(data-label);flex:0 0 auto;
    font-size:12.5px;color:var(--ht-ink-3);font-weight:400;
  }
}

/* ============ FAQ ============ */
.ht-faq{max-width:880px;margin:0 auto;border-top:1px solid var(--ht-line)}
.ht-faq .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--ht-line)}
.ht-faq .accordion-button{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 0;background:transparent;box-shadow:none;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ht-ink);
  transition:color var(--ht-t) var(--ht-ease);
}
.ht-faq .accordion-button:not(.collapsed){color:var(--ht-green);background:transparent;box-shadow:none}
.ht-faq .accordion-button:focus{box-shadow:none;border:none;outline:none}
.ht-faq .accordion-button:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px;border-radius:8px}
.ht-faq .accordion-button::after{display:none}
.ht-faq .accordion-button svg{
  flex:0 0 auto;margin-left:auto;color:var(--ht-ink-3);
  transition:transform .22s var(--ht-ease),color .22s var(--ht-ease);
}
.ht-faq .accordion-button:not(.collapsed) svg{transform:rotate(45deg);color:var(--ht-green-2)}
.ht-faq .accordion-body{
  padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--ht-ink-2);max-width:48em;
}

/* ============ CTA 带 ============ */
.ht-cta-band{background:var(--ht-bg-alt);border-top:1px solid var(--ht-line);padding:40px 0}
.ht-cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.ht-cta-inner h2{font-size:clamp(20px,2.1vw,26px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.ht-cta-inner p{margin-top:6px;font-size:14.5px;color:var(--ht-ink-2)}

/* ============ 页脚 ============ */
.ht-footer{background:var(--ht-green);color:rgba(243,246,242,.78);padding:56px 0 0;font-size:14px}
.ht-footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:768px){.ht-footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.ht-footer-grid{grid-template-columns:2fr 1fr 1fr 1.2fr;gap:48px}}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ht-footer-brand strong{display:block;font-size:17px;color:#F3F6F2;letter-spacing:.02em}
.ht-footer-brand em{font-style:normal;font-size:11px;color:rgba(243,246,242,.55);letter-spacing:.05em}
.ht-footer-desc{font-size:13.5px;line-height:1.85;color:rgba(243,246,242,.70);max-width:26em}
.ht-footer-safe{
  display:flex;gap:8px;align-items:flex-start;margin-top:16px;
  font-size:12.5px;line-height:1.7;color:rgba(243,246,242,.60);
}
.ht-footer-safe svg{flex:0 0 auto;margin-top:3px}
.ht-footer h3{font-size:14px;font-weight:600;color:#F3F6F2;margin-bottom:14px;letter-spacing:.02em}
.ht-footer-links{display:flex;flex-direction:column;gap:10px}
.ht-footer-links a{font-size:13.5px;color:rgba(243,246,242,.70);transition:color var(--ht-t) var(--ht-ease)}
.ht-footer-links a:hover{color:var(--ht-lime)}
.ht-footer-links a:focus-visible{outline:2px solid var(--ht-lime);outline-offset:3px;border-radius:4px}
.ht-footer-info{display:flex;flex-direction:column;gap:10px;font-size:13px;color:rgba(243,246,242,.70)}
.ht-footer-bottom{
  margin-top:48px;padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;line-height:1.7;color:rgba(243,246,242,.50);
}
.ht-domain{letter-spacing:.08em;color:rgba(243,246,242,.62)}

/* ============ 移动抽屉 ============ */
.ht-drawer{width:300px!important;background:var(--ht-white)}
.ht-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--ht-line)}
.ht-drawer .offcanvas-title{font-size:16px;font-weight:700;color:var(--ht-green)}
.ht-drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--ht-line);
  background:transparent;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ht-green);transition:background var(--ht-t) var(--ht-ease);
}
.ht-drawer-close:hover{background:var(--ht-bg-alt)}
.ht-drawer-close:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}
.ht-drawer .offcanvas-body{padding:8px 20px 28px;display:flex;flex-direction:column}
.ht-drawer-list{display:flex;flex-direction:column}
.ht-drawer-list a{
  display:flex;align-items:center;height:44px;
  font-size:15px;color:var(--ht-ink-2);
  border-bottom:1px solid var(--ht-line);
  transition:color var(--ht-t) var(--ht-ease);
}
.ht-drawer-list a:hover,.ht-drawer-list a.active{color:var(--ht-green);font-weight:600}
.ht-drawer-list a:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}
.ht-drawer-cta{margin-top:24px;width:100%}

/* ============ 响应式导航 ============ */
@media (max-width:991px){
  .ht-nav-list{display:none}
  .ht-nav-cta{display:none}
  .ht-nav-toggle{display:inline-flex}
  .ht-nav-inner{gap:12px}
}
@media (max-width:575px){
  .ht-topbar-tip{display:none}
  .ht-brand-text em{font-size:10px}
  .ht-btn{width:100%;padding:0 22px}
  .ht-pagehead-actions .ht-btn{width:auto}
  .ht-cta-inner .ht-btn{width:100%}
}

/* ============ 动效偏好 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    transition-duration:.001ms!important;
    animation-iteration-count:1!important;
  }
}

/* ============ Bootstrap 细节覆盖 ============ */
.accordion{--bs-accordion-border-color:transparent;--bs-accordion-bg:transparent}
.carousel-item{transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.btn:focus,.accordion-button:focus,.offcanvas .btn-close:focus{box-shadow:none}

/* roulang page: category2 */
:root{
  --ht-green:#0F2E26;
  --ht-green-2:#1B4A3C;
  --ht-lime:#C9F24D;
  --ht-clay:#E4703C;
  --ht-sand:#F6F4EE;
  --ht-sand-2:#F0EEE6;
  --ht-white:#FFFFFF;
  --ht-ink:#14181A;
  --ht-ink-2:#5A6560;
  --ht-ink-3:#8A938D;
  --ht-line:#E1DED4;
  --ht-line-2:#D8D4C8;
  --ht-radius-s:8px;
  --ht-radius-m:12px;
  --ht-radius-l:16px;
  --ht-radius-pill:999px;
  --ht-shadow:0 1px 2px rgba(15,46,38,.06);
  --ht-shadow-hover:0 12px 28px rgba(15,46,38,.10);
  --ht-ease:cubic-bezier(.22,.61,.36,1);
  --ht-dur:200ms;
  --ht-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--ht-ink);background:var(--ht-sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ht-green);text-decoration:none;transition:color var(--ht-dur) var(--ht-ease);}
a:hover{color:var(--ht-green-2);}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;color:var(--ht-ink);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px;}
.ht-skip{
  position:absolute;left:-9999px;top:0;z-index:2000;background:var(--ht-green);color:#fff;
  padding:10px 18px;border-radius:0 0 var(--ht-radius-s) 0;
}
.ht-skip:focus{left:0;color:#fff;}

/* 顶部信息条 */
.ht-topbar{background:var(--ht-green);color:rgba(243,246,242,.8);font-size:12.5px;height:36px;display:flex;align-items:center;}
.ht-topbar .ht-container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.ht-topbar-site{letter-spacing:.05em;font-variant-numeric:tabular-nums;}
.ht-topbar-tip{flex:1;text-align:center;color:rgba(243,246,242,.7);}
.ht-topbar-btn{
  height:24px;padding:0 14px;border-radius:var(--ht-radius-pill);border:1px solid rgba(255,255,255,.34);
  color:#F3F6F2;font-size:12px;display:inline-flex;align-items:center;transition:all var(--ht-dur) var(--ht-ease);
}
.ht-topbar-btn:hover{background:var(--ht-lime);border-color:var(--ht-lime);color:var(--ht-green);}

/* 主导航 */
.ht-header{position:sticky;top:0;z-index:1030;background:var(--ht-white);}
.ht-nav{border-bottom:1px solid transparent;transition:box-shadow var(--ht-dur) var(--ht-ease);}
.ht-nav-inner{display:flex;align-items:center;gap:28px;height:64px;}
.ht-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.ht-brand-mark{flex-shrink:0;}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.15;}
.ht-brand-text strong{font-size:17px;font-weight:700;color:var(--ht-green);letter-spacing:.02em;}
.ht-brand-text em{
  font-style:normal;font-size:11px;color:var(--ht-ink-3);letter-spacing:.05em;white-space:nowrap;
}
.ht-nav-list{display:flex;align-items:center;gap:26px;margin-left:auto;}
.ht-nav-link{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;color:var(--ht-ink-2);
  transition:color var(--ht-dur) var(--ht-ease);
}
.ht-nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--ht-lime);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ht-dur) var(--ht-ease);
}
.ht-nav-link:hover{color:var(--ht-green);}
.ht-nav-link:hover::after,.ht-nav-link.active::after{transform:scaleX(1);}
.ht-nav-link.active{color:var(--ht-green);font-weight:600;}
.ht-nav-cta{height:40px;padding:0 22px;font-size:14px;flex-shrink:0;}
.ht-nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--ht-line);border-radius:var(--ht-radius-s);background:#fff;color:var(--ht-green);
}
.ht-nav-toggle:hover{border-color:var(--ht-green);}

/* 容器与按钮 */
.ht-container{width:100%;max-width:var(--ht-container);margin:0 auto;padding:0 24px;}
@media (min-width:1200px){.ht-container{padding:0 32px;}}
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--ht-radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:all var(--ht-dur) var(--ht-ease);
}
.ht-btn svg{transition:transform var(--ht-dur) var(--ht-ease);}
.ht-btn:hover svg{transform:translateX(4px);}
.ht-btn-primary{background:var(--ht-lime);color:var(--ht-green);}
.ht-btn-primary:hover{background:#D6F76B;color:var(--ht-green);box-shadow:0 8px 20px rgba(15,46,38,.14);}
.ht-btn-outline{background:transparent;color:var(--ht-green);border:1.5px solid var(--ht-green);border-radius:var(--ht-radius-s);}
.ht-btn-outline:hover{background:var(--ht-green);color:#F3F6F2;}
.ht-btn-light{background:#FFFFFF;color:var(--ht-green);}
.ht-btn-light:hover{background:var(--ht-lime);color:var(--ht-green);}
.ht-btn-block{width:100%;}

/* 徽章 / 标签 */
.ht-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:600;background:#E8F5D8;color:var(--ht-green);white-space:nowrap;
}
.ht-badge-clay{background:#FBEBE3;color:#B25226;}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:600;
  letter-spacing:.12em;color:var(--ht-ink-2);text-transform:uppercase;
}
.ht-eyebrow::before{content:"";width:18px;height:3px;background:var(--ht-lime);border-radius:2px;}

/* 页面头 */
.ht-pagehead{
  position:relative;overflow:hidden;background:var(--ht-sand);
  padding:64px 0 56px;border-bottom:1px solid var(--ht-line);
}
.ht-pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.10;
}
.ht-pagehead::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  background:rgba(15,46,38,.06);border-radius:32px;transform:rotate(12deg);
}
.ht-pagehead .ht-container{position:relative;z-index:2;}
.ht-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--ht-ink-3);margin-bottom:22px;}
.ht-crumb a{color:var(--ht-ink-3);}
.ht-crumb a:hover{color:var(--ht-green);text-decoration:underline;text-underline-offset:4px;}
.ht-crumb li+li::before{content:"/";margin-right:8px;color:var(--ht-line-2);}
.ht-crumb li{display:inline-flex;align-items:center;}
.ht-pagehead h1{
  font-size:clamp(28px,3.8vw,46px);line-height:1.16;margin:16px 0 18px;max-width:20em;
}
.ht-pagehead-lead{font-size:16.5px;line-height:1.8;color:var(--ht-ink-2);max-width:38em;}
.ht-pagehead-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.ht-pagehead-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;}
.ht-pagehead-meta div{display:flex;flex-direction:column;gap:2px;}
.ht-pagehead-meta strong{font-size:22px;font-weight:700;color:var(--ht-green);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.ht-pagehead-meta span{font-size:12px;color:var(--ht-ink-3);letter-spacing:.04em;}

/* 板块 */
.ht-section{padding:72px 0;}
.ht-section-alt{background:var(--ht-sand-2);}
.ht-section-white{background:var(--ht-white);}
.ht-section-head{max-width:720px;margin-bottom:36px;}
.ht-section-head h2{font-size:clamp(23px,2.6vw,34px);line-height:1.24;margin:14px 0 12px;}
.ht-section-head p{font-size:15px;color:var(--ht-ink-2);line-height:1.8;}

/* 三步流程条 */
.ht-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.ht-step{position:relative;padding:0 28px 0 0;}
.ht-step+.ht-step{padding-left:28px;}
.ht-step+.ht-step::before{
  content:"";position:absolute;left:0;top:26px;width:28px;border-top:1px dashed var(--ht-line-2);
}
.ht-step-num{
  font-size:34px;font-weight:700;line-height:1;color:rgba(15,46,38,.16);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;transition:color var(--ht-dur) var(--ht-ease);
}
.ht-step:hover .ht-step-num{color:var(--ht-lime);}
.ht-step h3{font-size:18px;line-height:1.45;margin:14px 0 8px;}
.ht-step p{font-size:14px;line-height:1.75;color:var(--ht-ink-2);max-width:26em;}

/* 系统要求定义列表 */
.ht-spec-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;}
.ht-spec-col h3{
  font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:6px;
}
.ht-spec-col h3 .ht-badge{font-weight:600;}
.ht-spec-list{margin:0;}
.ht-spec-row{
  display:flex;gap:20px;padding:14px 0;border-bottom:1px solid var(--ht-line);
}
.ht-spec-row:first-child{border-top:1px solid var(--ht-line);}
.ht-spec-row dt{flex:0 0 110px;font-size:13px;color:var(--ht-ink-3);line-height:1.7;}
.ht-spec-row dd{flex:1;margin:0;font-size:15px;color:var(--ht-ink);line-height:1.7;}
.ht-spec-note{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px;font-size:13px;color:var(--ht-ink-2);}
.ht-link-text{
  font-size:14px;font-weight:600;color:var(--ht-green);
  text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;
  text-decoration-color:var(--ht-lime);
}
.ht-link-text:hover{color:var(--ht-green-2);}

/* 错位图文 */
.ht-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.ht-split+.ht-split{margin-top:56px;}
.ht-split-media{position:relative;border-radius:var(--ht-radius-l);overflow:hidden;background:var(--ht-sand-2);aspect-ratio:4/3;}
.ht-split-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ht-ease);}
.ht-split-media:hover img{transform:scale(1.03);}
.ht-split-body h2{font-size:clamp(21px,2.2vw,28px);line-height:1.3;margin-bottom:16px;}
.ht-split-body p{font-size:15.5px;line-height:1.85;color:var(--ht-ink-2);}
.ht-check{margin-top:22px;display:grid;gap:12px;}
.ht-check li{display:flex;gap:10px;font-size:15px;color:var(--ht-ink);line-height:1.7;}
.ht-check li svg{flex-shrink:0;margin-top:4px;color:var(--ht-green);}
.ht-split--reverse .ht-split-media{order:2;}

/* 深色下载区块 */
.ht-download{
  position:relative;overflow:hidden;background:var(--ht-green);color:#F3F6F2;
  padding:72px 0;
}
.ht-download::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.08;
}
.ht-download .ht-container{position:relative;z-index:2;}
.ht-download-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center;}
.ht-download h2{color:#F3F6F2;font-size:clamp(24px,2.8vw,34px);line-height:1.26;margin-bottom:14px;}
.ht-download p.ht-download-lead{color:rgba(243,246,242,.78);font-size:15px;line-height:1.8;max-width:36em;}
.ht-download-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px;}
.ht-download-actions .ht-link-text{color:#F3F6F2;text-decoration-color:var(--ht-lime);}
.ht-download-actions .ht-link-text:hover{color:var(--ht-lime);}
.ht-download-meta{
  display:flex;flex-wrap:wrap;gap:10px 0;font-size:12.5px;color:rgba(243,246,242,.6);
  font-variant-numeric:tabular-nums;
}
.ht-download-meta span+span::before{content:"|";margin:0 12px;color:rgba(243,246,242,.3);}
.ht-qr-card{
  background:#FFFFFF;border-radius:var(--ht-radius-l);padding:22px;text-align:center;color:var(--ht-ink);
  max-width:300px;margin-left:auto;
}
.ht-qr-box{
  width:120px;height:120px;margin:0 auto 14px;border-radius:var(--ht-radius-s);
  background:#fff;border:1px solid var(--ht-line);display:flex;align-items:center;justify-content:center;
}
.ht-qr-card strong{display:block;font-size:15px;color:var(--ht-ink);}
.ht-qr-card span{font-size:12.5px;color:var(--ht-ink-3);line-height:1.6;display:block;margin-top:6px;}

/* FAQ */
.ht-faq{max-width:880px;margin:0 auto;}
.ht-faq .accordion-item{background:transparent;border:0;border-top:1px solid var(--ht-line);}
.ht-faq .accordion-item:last-child{border-bottom:1px solid var(--ht-line);}
.ht-faq .accordion-button{
  background:transparent;border:0;box-shadow:none;padding:20px 40px 20px 0;
  font-size:17px;font-weight:600;color:var(--ht-ink);line-height:1.5;
}
.ht-faq .accordion-button::after{
  background-image:none;content:"+";width:24px;height:24px;font-size:22px;font-weight:400;
  line-height:1;display:flex;align-items:center;justify-content:center;color:var(--ht-ink-2);
  margin-left:auto;transition:transform var(--ht-dur) var(--ht-ease),color var(--ht-dur) var(--ht-ease);
  position:absolute;right:0;top:50%;transform:translateY(-50%);
}
.ht-faq .accordion-button:not(.collapsed){color:var(--ht-green);background:transparent;}
.ht-faq .accordion-button:not(.collapsed)::after{content:"+";transform:translateY(-50%) rotate(45deg);color:var(--ht-green);}
.ht-faq .accordion-button:focus{box-shadow:none;outline:none;}
.ht-faq .accordion-button:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px;}
.ht-faq .accordion-body{padding:0 40px 20px 0;font-size:15px;line-height:1.85;color:var(--ht-ink-2);}

/* CTA 带 */
.ht-cta-band{background:var(--ht-sand-2);padding:44px 0;border-top:1px solid var(--ht-line);}
.ht-cta-band .ht-container{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.ht-cta-band h2{font-size:clamp(19px,2.2vw,24px);line-height:1.35;color:var(--ht-green);}
.ht-cta-band p{font-size:14px;color:var(--ht-ink-2);margin-top:6px;}

/* 页脚 */
.ht-footer{background:var(--ht-green);color:rgba(243,246,242,.75);padding:64px 0 28px;font-size:14px;}
.ht-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;}
.ht-footer h3{font-size:14px;color:#F3F6F2;font-weight:600;margin-bottom:16px;letter-spacing:.04em;}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.ht-footer-brand strong{display:block;font-size:17px;color:#F3F6F2;line-height:1.3;}
.ht-footer-brand em{display:block;font-style:normal;font-size:11px;color:rgba(243,246,242,.55);letter-spacing:.05em;}
.ht-footer-desc{font-size:13.5px;line-height:1.85;color:rgba(243,246,242,.7);max-width:32em;}
.ht-footer-safe{display:flex;gap:8px;align-items:flex-start;margin-top:16px;font-size:12.5px;color:rgba(243,246,242,.62);}
.ht-footer-safe svg{flex-shrink:0;margin-top:3px;color:var(--ht-lime);}
.ht-footer-links{display:flex;flex-direction:column;gap:10px;}
.ht-footer-links a{font-size:13.5px;color:rgba(243,246,242,.75);}
.ht-footer-links a:hover{color:var(--ht-lime);}
.ht-footer-info{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(243,246,242,.7);}
.ht-footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(243,246,242,.55);
}
.ht-domain{font-variant-numeric:tabular-nums;letter-spacing:.04em;}

/* 移动抽屉 */
.ht-drawer{width:300px;background:var(--ht-white);}
.ht-drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--ht-line);background:#fff;
  color:var(--ht-green);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.ht-drawer-close:hover{border-color:var(--ht-green);}
.ht-drawer .offcanvas-title{font-size:16px;color:var(--ht-green);font-weight:700;}
.ht-drawer-links{display:flex;flex-direction:column;margin-bottom:22px;}
.ht-drawer-links a{
  height:44px;display:flex;align-items:center;font-size:15px;color:var(--ht-ink-2);
  border-bottom:1px solid var(--ht-line);
}
.ht-drawer-links a:hover{color:var(--ht-green);}
.ht-drawer-links a.active{color:var(--ht-green);font-weight:600;}

/* 进入动效 */
.ht-reveal{opacity:0;transform:translateY(12px);transition:opacity 420ms var(--ht-ease),transform 420ms var(--ht-ease);}
.ht-reveal.is-visible{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1199px){
  .ht-nav-list{gap:20px;}
  .ht-footer-grid{gap:32px;}
}
@media (max-width:991px){
  .ht-nav-list,.ht-nav-cta{display:none;}
  .ht-nav-toggle{display:inline-flex;margin-left:auto;}
  .ht-nav-inner{gap:16px;}
  .ht-pagehead{padding:48px 0 44px;}
  .ht-section{padding:56px 0;}
  .ht-split{grid-template-columns:1fr;gap:28px;}
  .ht-split--reverse .ht-split-media{order:0;}
  .ht-download-grid{grid-template-columns:1fr;gap:32px;}
  .ht-qr-card{margin:0;}
  .ht-spec-grid{grid-template-columns:1fr;gap:36px;}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ht-steps{grid-template-columns:1fr;gap:28px;}
  .ht-step,.ht-step+.ht-step{padding:0;}
  .ht-step+.ht-step::before{display:none;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .ht-container{padding:0 18px;}
  .ht-topbar-tip{display:none;}
  .ht-section{padding:44px 0;}
  .ht-pagehead{padding:36px 0;}
  .ht-pagehead-actions .ht-btn{width:100%;}
  .ht-pagehead-meta{gap:18px;}
  .ht-download-actions .ht-btn{width:100%;}
  .ht-footer-grid{grid-template-columns:1fr;}
  .ht-footer-bottom{flex-direction:column;align-items:center;text-align:center;}
  .ht-cta-band .ht-container{flex-direction:column;align-items:flex-start;}
  .ht-cta-band .ht-btn{width:100%;}
  .ht-spec-row{flex-direction:column;gap:4px;}
  .ht-spec-row dt{flex:none;}
  .ht-download-meta span+span::before{content:"";margin:0;}
  .ht-download-meta{flex-direction:column;gap:4px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;}
  html{scroll-behavior:auto;}
  .ht-reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ht-ink:#0F2E26;
  --ht-ink-2:#1B4A3C;
  --ht-lime:#C9F24D;
  --ht-lime-hi:#D8F873;
  --ht-clay:#E4703C;
  --ht-bg:#F6F4EE;
  --ht-alt:#F0EEE6;
  --ht-white:#FFFFFF;
  --ht-text:#14181A;
  --ht-muted:#5A6560;
  --ht-weak:#8A938D;
  --ht-line:#E1DED4;
  --ht-r-sm:8px;
  --ht-r-md:12px;
  --ht-r-lg:16px;
  --ht-shadow-1:0 1px 2px rgba(15,46,38,.06);
  --ht-shadow-2:0 12px 28px rgba(15,46,38,.10);
  --ht-ease:cubic-bezier(.22,.61,.36,1);
  --ht-t:200ms;
  --ht-max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ht-text);
  background:var(--ht-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ht-t) var(--ht-ease)}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:3px;border-radius:4px}
.ht-skip{
  position:absolute;left:-9999px;top:0;z-index:2000;
  background:var(--ht-ink);color:#fff;padding:12px 20px;border-radius:0 0 8px 0;
}
.ht-skip:focus{left:0;color:#fff}
.ht-container{
  width:100%;max-width:var(--ht-max);margin:0 auto;padding:0 24px;
}
@media (min-width:1200px){ .ht-container{padding:0 32px} }

/* ---------- 顶部信息条 ---------- */
.ht-topbar{
  background:var(--ht-ink);color:rgba(243,246,242,.8);
  font-size:12.5px;line-height:1;
}
.ht-topbar-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:36px;
}
.ht-topbar-site{letter-spacing:.06em;color:rgba(243,246,242,.62);font-variant-numeric:tabular-nums}
.ht-topbar-tip{color:rgba(243,246,242,.78)}
.ht-topbar-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:24px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(201,242,77,.5);color:var(--ht-lime);
  font-size:12px;font-weight:600;white-space:nowrap;
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease),border-color var(--ht-t) var(--ht-ease);
}
.ht-topbar-btn:hover{background:var(--ht-lime);color:var(--ht-ink);border-color:var(--ht-lime)}

/* ---------- 主导航 ---------- */
.ht-header{position:sticky;top:0;z-index:1030;background:var(--ht-white)}
.ht-nav{border-bottom:1px solid transparent;background:var(--ht-white);transition:border-color var(--ht-t) var(--ht-ease),box-shadow var(--ht-t) var(--ht-ease)}
.ht-header.is-stuck .ht-nav{border-bottom-color:var(--ht-line);box-shadow:0 4px 18px rgba(15,46,38,.07)}
.ht-nav-inner{display:flex;align-items:center;gap:28px;min-height:64px}
.ht-brand{display:flex;align-items:center;gap:10px;margin-right:auto;flex:0 0 auto}
.ht-brand-mark{flex:0 0 auto}
.ht-brand-text{display:flex;flex-direction:column;line-height:1.15}
.ht-brand-text strong{font-size:17px;font-weight:700;color:var(--ht-ink);letter-spacing:.02em}
.ht-brand-text em{font-style:normal;font-size:11px;color:var(--ht-weak);letter-spacing:.05em;white-space:nowrap}
.ht-nav-list{display:flex;align-items:center;gap:26px}
.ht-nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;
  font-size:15px;font-weight:500;color:var(--ht-muted);
  transition:color var(--ht-t) var(--ht-ease);white-space:nowrap;
}
.ht-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;
  background:var(--ht-lime);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ht-t) var(--ht-ease);
}
.ht-nav-link:hover{color:var(--ht-ink)}
.ht-nav-link:hover::after,.ht-nav-link.active::after{transform:scaleX(1)}
.ht-nav-link.active{color:var(--ht-ink);font-weight:600}
.ht-nav-cta{height:40px;padding:0 20px;font-size:14px;flex:0 0 auto}
.ht-nav-toggle{
  display:none;width:40px;height:40px;border-radius:999px;
  border:1.5px solid var(--ht-line);background:var(--ht-white);color:var(--ht-ink);
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--ht-t) var(--ht-ease),background var(--ht-t) var(--ht-ease);
}
.ht-nav-toggle:hover{border-color:var(--ht-ink)}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;border-radius:999px;
  border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:background var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease),
             border-color var(--ht-t) var(--ht-ease),transform var(--ht-t) var(--ht-ease),
             box-shadow var(--ht-t) var(--ht-ease);
}
.ht-btn svg{transition:transform var(--ht-t) var(--ht-ease)}
.ht-btn:hover svg{transform:translateX(4px)}
.ht-btn-primary{background:var(--ht-lime);color:var(--ht-ink);height:48px;padding:0 28px;box-shadow:var(--ht-shadow-1)}
.ht-btn-primary:hover{background:var(--ht-lime-hi);color:var(--ht-ink)}
.ht-btn-primary:active{transform:translateY(1px)}
.ht-btn-outline{background:transparent;color:var(--ht-ink);border-color:var(--ht-ink);height:48px;padding:0 26px}
.ht-btn-outline:hover{background:var(--ht-ink);color:#fff}
.ht-btn-block{display:flex;width:100%}

/* ---------- 页面头部 ---------- */
.ht-page-head{
  position:relative;overflow:hidden;
  background:var(--ht-bg);
  border-bottom:1px solid var(--ht-line);
  padding:28px 0 64px;
}
.ht-page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.07;pointer-events:none;
}
.ht-page-head::after{
  content:"";position:absolute;top:-40px;right:-60px;width:280px;height:280px;
  background:var(--ht-ink);opacity:.05;border-radius:32px;transform:rotate(12deg);
  pointer-events:none;
}
.ht-page-head .ht-container{position:relative;z-index:2}
.ht-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--ht-weak);margin-bottom:28px}
.ht-crumbs li+li::before{content:"/";margin-right:8px;color:#C6C2B6}
.ht-crumbs a:hover{color:var(--ht-ink)}
.ht-crumbs li[aria-current] {color:var(--ht-muted)}
.ht-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ht-muted);
}
.ht-eyebrow::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--ht-lime)}
.ht-page-head h1{
  margin:18px 0 0;
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.16;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ht-ink);
  max-width:17em;
}
.ht-lead{
  margin:20px 0 0;
  max-width:640px;
  font-size:16.5px;line-height:1.85;color:var(--ht-muted);
}
.ht-head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- 区块 ---------- */
.ht-section{padding:72px 0}
.ht-section-alt{background:var(--ht-alt)}
.ht-section-head{max-width:760px;margin-bottom:40px}
.ht-section-head h2{
  font-size:clamp(24px,2.8vw,34px);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;color:var(--ht-ink);margin-top:14px;
}
.ht-section-head p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ht-muted)}

/* ---------- 错位图文 ---------- */
.ht-split{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.ht-split--reverse .ht-split-media{order:2}
.ht-figure{
  position:relative;border-radius:var(--ht-r-lg);overflow:hidden;
  background:var(--ht-alt);border:1px solid var(--ht-line);
  aspect-ratio:4/3;box-shadow:var(--ht-shadow-1);
}
.ht-figure img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ht-ease)}
.ht-figure:hover img{transform:scale(1.03)}
.ht-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:12.5px;color:#F3F6F2;
  background:linear-gradient(to top,rgba(15,46,38,.72),rgba(15,46,38,0));
}
.ht-split-body h2{
  font-size:clamp(23px,2.5vw,30px);line-height:1.3;font-weight:700;
  color:var(--ht-ink);letter-spacing:-.01em;
}
.ht-split-body p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--ht-muted);max-width:36em}
.ht-points{display:grid;gap:14px;margin-top:26px}
.ht-points li{position:relative;padding-left:24px;font-size:14.5px;line-height:1.75;color:var(--ht-muted)}
.ht-points li::before{
  content:"";position:absolute;left:0;top:8px;width:9px;height:9px;
  border-radius:2px;background:var(--ht-lime);
}

/* ---------- 提示框 ---------- */
.ht-note{
  background:var(--ht-alt);
  border-left:3px solid var(--ht-lime);
  border-radius:0 var(--ht-r-md) var(--ht-r-md) 0;
  padding:20px 24px;margin-top:44px;max-width:860px;
}
.ht-note h3{font-size:15px;font-weight:600;color:var(--ht-ink);margin-bottom:8px}
.ht-note p{font-size:14px;line-height:1.8;color:var(--ht-muted)}

/* ---------- 步骤 ---------- */
.ht-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:44px;
}
.ht-step{padding-top:22px;border-top:1px dashed #D5D1C4}
.ht-step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:999px;
  background:var(--ht-ink);color:var(--ht-lime);
  font-family:Barlow,"Helvetica Neue",Arial,sans-serif;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.ht-step h3{font-size:17px;font-weight:600;color:var(--ht-ink);line-height:1.4;margin-bottom:8px}
.ht-step p{font-size:14px;line-height:1.75;color:var(--ht-muted)}

/* ---------- FAQ ---------- */
.ht-faq{max-width:880px;margin:44px auto 0}
.ht-faq-item{border-bottom:1px solid var(--ht-line)}
.ht-faq-item:first-child{border-top:1px solid var(--ht-line)}
.ht-faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;line-height:1.5;color:var(--ht-text);
  transition:color var(--ht-t) var(--ht-ease);
}
.ht-faq-btn:hover{color:var(--ht-ink)}
.ht-faq-icon{flex:0 0 auto;color:var(--ht-muted);transition:transform var(--ht-t) var(--ht-ease),color var(--ht-t) var(--ht-ease)}
.ht-faq-btn[aria-expanded="true"] .ht-faq-icon{transform:rotate(45deg);color:var(--ht-ink)}
.ht-faq-panel{max-height:0;overflow:hidden;transition:max-height 260ms var(--ht-ease)}
.ht-faq-panel p{
  margin:0;padding:0 64px 22px 0;max-width:760px;
  font-size:15px;line-height:1.85;color:var(--ht-muted);
}

/* ---------- CTA 带 ---------- */
.ht-cta{background:var(--ht-alt);padding:44px 0}
.ht-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.ht-cta h2{
  font-size:clamp(20px,2.4vw,26px);line-height:1.35;font-weight:700;color:var(--ht-ink);
  letter-spacing:-.01em;
}
.ht-cta p{margin-top:8px;font-size:14.5px;color:var(--ht-muted)}

/* ---------- 抽屉 ---------- */
.ht-drawer{width:300px;background:var(--ht-white)}
.ht-drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--ht-line);
}
.ht-drawer-title{font-size:15px;font-weight:700;color:var(--ht-ink)}
.ht-drawer-close{
  width:34px;height:34px;border-radius:999px;border:1.5px solid var(--ht-line);
  background:var(--ht-white);color:var(--ht-ink);display:inline-flex;
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--ht-t) var(--ht-ease),background var(--ht-t) var(--ht-ease);
}
.ht-drawer-close:hover{border-color:var(--ht-ink);background:var(--ht-alt)}
.ht-drawer-body{display:flex;flex-direction:column;gap:24px;padding:16px 20px 28px}
.ht-drawer-list{display:flex;flex-direction:column}
.ht-drawer-list a{
  display:flex;align-items:center;height:44px;font-size:15px;font-weight:500;
  color:var(--ht-muted);border-bottom:1px solid var(--ht-line);
  transition:color var(--ht-t) var(--ht-ease),padding var(--ht-t) var(--ht-ease);
}
.ht-drawer-list a:hover{color:var(--ht-ink);padding-left:6px}
.ht-drawer-list a.active{color:var(--ht-ink);font-weight:700}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-ink);color:rgba(243,246,242,.78);padding:64px 0 0;font-size:14px}
.ht-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:48px}
.ht-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.ht-footer-brand strong{display:block;color:#fff;font-size:17px;line-height:1.3}
.ht-footer-brand em{
  display:block;font-style:normal;font-size:11px;letter-spacing:.05em;
  color:rgba(243,246,242,.55);line-height:1.4;
}
.ht-footer-desc{font-size:13.5px;line-height:1.85;color:rgba(243,246,242,.66);max-width:34em;margin-bottom:16px}
.ht-footer-safe{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;line-height:1.7;color:rgba(243,246,242,.6)}
.ht-footer-safe svg{flex:0 0 auto;margin-top:3px;color:var(--ht-lime)}
.ht-footer h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.ht-footer-links{display:flex;flex-direction:column;gap:12px}
.ht-footer-links a{font-size:14px;color:rgba(243,246,242,.78)}
.ht-footer-links a:hover{color:var(--ht-lime)}
.ht-footer-info{display:flex;flex-direction:column;gap:12px;font-size:13.5px;line-height:1.7;color:rgba(243,246,242,.66)}
.ht-footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);
  padding:24px 0 28px;display:flex;flex-wrap:wrap;gap:12px 32px;
  justify-content:space-between;font-size:12.5px;color:rgba(243,246,242,.5);
}
.ht-domain{letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .ht-split{gap:40px}
}
@media (max-width:991px){
  .ht-nav-list,.ht-nav-cta{display:none}
  .ht-nav-toggle{display:inline-flex}
  .ht-section{padding:60px 0}
  .ht-page-head{padding:24px 0 52px}
  .ht-split{grid-template-columns:1fr;gap:32px}
  .ht-split--reverse .ht-split-media{order:0}
  .ht-steps{grid-template-columns:1fr 1fr;gap:24px}
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .ht-topbar-tip{display:none}
  .ht-brand-text em{display:none}
  .ht-nav-inner{min-height:58px;gap:16px}
  .ht-nav-link{height:58px}
  .ht-nav-link::after{bottom:14px}
  .ht-section{padding:48px 0}
  .ht-page-head h1{max-width:none}
  .ht-lead{font-size:15.5px}
  .ht-btn{height:46px;padding:0 22px;font-size:14.5px}
  .ht-btn-block{width:100%}
  .ht-faq-btn{font-size:16px;padding:18px 0}
  .ht-faq-panel p{padding-right:0}
  .ht-cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .ht-footer{padding-top:48px}
  .ht-footer-bottom{margin-top:36px;justify-content:flex-start}
}
@media (max-width:575px){
  .ht-container{padding:0 18px}
  .ht-steps{grid-template-columns:1fr}
  .ht-footer-grid{grid-template-columns:1fr;gap:32px}
  .ht-head-actions{flex-direction:column;align-items:stretch}
  .ht-head-actions .ht-btn{width:100%}
  .ht-page-head{padding:20px 0 44px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --ht-ink:#0F2E26;
  --ht-ink-2:#1B4A3C;
  --ht-lime:#C9F24D;
  --ht-lime-soft:#E8F5D8;
  --ht-clay:#E4703C;
  --ht-bg:#F6F4EE;
  --ht-surface:#FFFFFF;
  --ht-alt:#F0EEE6;
  --ht-text:#14181A;
  --ht-muted:#5A6560;
  --ht-dim:#8A938D;
  --ht-border:#E1DED4;
  --ht-white-text:#F3F6F2;
  --ht-radius-btn:999px;
  --ht-radius-card:16px;
  --ht-radius-img:12px;
  --ht-shadow:0 1px 2px rgba(15,46,38,.06);
  --ht-shadow-hover:0 12px 28px rgba(15,46,38,.10);
  --ht-ease:cubic-bezier(.22,.61,.36,1);
  --ht-dur:200ms;
  --bs-primary:#0F2E26;
  --bs-primary-rgb:15,46,38;
  --bs-body-color:#14181A;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  --bs-border-radius:8px;
  --bs-border-radius-lg:12px;
  --bs-border-radius-xl:16px;
  --bs-link-color:#1B4A3C;
  --bs-link-hover-color:#0F2E26;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ht-bg);
  color:var(--ht-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ht-ink-2);text-decoration:none;transition:color var(--ht-dur) var(--ht-ease)}
a:hover{color:var(--ht-ink)}
button{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;color:var(--ht-text)}
p{margin:0}
:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px}
.ht-skip{position:absolute;left:-9999px;top:0;background:var(--ht-ink);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;z-index:2000}
.ht-skip:focus{left:0}
.ht-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1200px){.ht-container{padding:0 32px}}

/* ---------- 顶部信息条 ---------- */
.ht-topbar{background:var(--ht-ink);color:rgba(243,246,242,.8);font-size:12.5px}
.ht-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:36px}
.ht-topbar-mark{letter-spacing:.06em;font-variant-numeric:tabular-nums;color:rgba(243,246,242,.72)}
.ht-topbar-note{flex:1;text-align:center;color:rgba(243,246,242,.72)}
.ht-topbar-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:24px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(243,246,242,.42);
  color:rgba(243,246,242,.92);font-size:12px;line-height:1;
  transition:background var(--ht-dur) var(--ht-ease),color var(--ht-dur) var(--ht-ease),border-color var(--ht-dur) var(--ht-ease);
}
.ht-topbar-btn:hover{background:var(--ht-lime);border-color:var(--ht-lime);color:var(--ht-ink)}
@media (max-width:767px){.ht-topbar-note{display:none}}

/* ---------- 主导航 ---------- */
.ht-header{position:sticky;top:0;z-index:1030}
.ht-nav{background:#fff;border-bottom:1px solid var(--ht-border);box-shadow:0 1px 0 rgba(15,46,38,.02)}
.ht-nav-inner{display:flex;align-items:center;gap:20px;min-height:64px}
.ht-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ht-brand-mark{flex-shrink:0}
.ht-brand-text strong{display:block;font-size:17px;font-weight:700;line-height:1.2;color:var(--ht-ink)}
.ht-brand-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.05em;color:var(--ht-dim);white-space:nowrap;margin-top:2px}
.ht-nav-list{display:flex;align-items:center;gap:2px;list-style:none;margin-left:auto}
.ht-nav-link{
  position:relative;display:block;padding:8px 11px;border-radius:8px;
  font-size:14px;color:var(--ht-muted);white-space:nowrap;
  transition:color var(--ht-dur) var(--ht-ease);
}
.ht-nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
  background:var(--ht-lime);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--ht-dur) var(--ht-ease);
}
.ht-nav-link:hover{color:var(--ht-ink)}
.ht-nav-link:hover::after,.ht-nav-link.active::after{transform:scaleX(1)}
.ht-nav-link.active{color:var(--ht-ink);font-weight:600}
.ht-nav-cta{min-height:40px;padding:0 20px;font-size:14px;margin-left:10px;flex-shrink:0}
.ht-nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--ht-border);border-radius:10px;color:var(--ht-ink);
  transition:border-color var(--ht-dur) var(--ht-ease),background var(--ht-dur) var(--ht-ease);
}
.ht-nav-toggle:hover{border-color:var(--ht-ink);background:var(--ht-alt)}
@media (max-width:991px){
  .ht-nav-list,.ht-nav-cta{display:none}
  .ht-nav-toggle{display:inline-flex}
}

/* ---------- 按钮 ---------- */
.ht-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--ht-radius-btn);
  border:1.5px solid transparent;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;text-align:center;
  transition:background var(--ht-dur) var(--ht-ease),color var(--ht-dur) var(--ht-ease),
             border-color var(--ht-dur) var(--ht-ease),transform var(--ht-dur) var(--ht-ease),
             box-shadow var(--ht-dur) var(--ht-ease);
}
.ht-btn svg{flex-shrink:0}
.ht-btn-primary{background:var(--ht-lime);color:var(--ht-ink)}
.ht-btn-primary:hover{background:#d8fa66;color:var(--ht-ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(15,46,38,.14)}
.ht-btn-primary:active{transform:translateY(0);background:#c3ea44}
.ht-btn-ghost{background:transparent;border-color:var(--ht-ink);color:var(--ht-ink)}
.ht-btn-ghost:hover{background:var(--ht-ink);border-color:var(--ht-ink);color:var(--ht-white-text)}
.ht-btn-ghost:active{background:var(--ht-ink-2);border-color:var(--ht-ink-2)}
.ht-btn-sm{min-height:38px;padding:0 18px;font-size:13.5px}
.ht-btn-block{width:100%}
@media (max-width:575px){
  .ht-btn{width:100%}
  .ht-head-actions .ht-btn{width:100%}
}

/* ---------- 页面头 ---------- */
.ht-page-head{position:relative;padding:36px 0 72px;background:var(--ht-bg);overflow:hidden}
.ht-page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.06;pointer-events:none;
}
.ht-page-head > .ht-container{position:relative;z-index:1}
.ht-breadcrumb{margin-bottom:26px}
.ht-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;list-style:none;font-size:12.5px;color:var(--ht-dim)}
.ht-breadcrumb li{display:flex;align-items:center;gap:6px}
.ht-breadcrumb li+li::before{content:"/";color:var(--ht-dim)}
.ht-breadcrumb a{color:var(--ht-muted)}
.ht-breadcrumb a:hover{color:var(--ht-ink)}
.ht-breadcrumb [aria-current="page"]{color:var(--ht-muted)}
.ht-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;color:var(--ht-muted);font-weight:600}
.ht-eyebrow i{display:block;width:2px;height:14px;background:var(--ht-lime)}
.ht-head-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;margin-top:14px}
.ht-page-head h1{font-size:clamp(28px,3.6vw,46px);line-height:1.16;margin-top:16px}
.ht-page-head h1 span{display:block;margin-top:14px;font-size:clamp(16px,1.65vw,20px);font-weight:500;color:var(--ht-muted);letter-spacing:0}
.ht-lead{max-width:36em;margin-top:18px;color:var(--ht-muted);font-size:15.5px}
.ht-head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.ht-head-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--ht-radius-card);border:1px solid var(--ht-border);
  background:var(--ht-alt);box-shadow:var(--ht-shadow);
}
@media (max-width:991px){
  .ht-page-head{padding:28px 0 52px}
  .ht-head-grid{grid-template-columns:1fr;gap:34px}
  .ht-head-media{order:-1}
}

/* ---------- 区块通用 ---------- */
.ht-section{padding:80px 0}
.ht-section-white{background:var(--ht-surface)}
.ht-section-alt{background:var(--ht-alt)}
.ht-section-head{max-width:760px;margin-bottom:38px}
.ht-section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.22;margin-top:12px}
.ht-section-head p{margin-top:14px;color:var(--ht-muted);font-size:15px}
@media (max-width:767px){
  .ht-section{padding:48px 0}
  .ht-section-head{margin-bottom:26px}
}

/* ---------- FAQ ---------- */
.ht-faq{max-width:880px;margin:0 auto}
.ht-accordion .accordion-item{background:transparent;border:0;border-top:1px solid var(--ht-border)}
.ht-accordion .accordion-item:last-child{border-bottom:1px solid var(--ht-border)}
.ht-accordion .accordion-button{
  background:transparent;color:var(--ht-text);
  font-size:17px;font-weight:600;line-height:1.5;
  padding:20px 46px 20px 0;box-shadow:none;border-radius:0;
}
.ht-accordion .accordion-button:focus{box-shadow:none;outline:none}
.ht-accordion .accordion-button:focus-visible{outline:2px solid var(--ht-lime);outline-offset:2px;border-radius:8px}
.ht-accordion .accordion-button:not(.collapsed){background:transparent;color:var(--ht-ink);box-shadow:none}
.ht-accordion .accordion-button::after{
  background-image:none;content:"+";
  width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:400;line-height:1;color:var(--ht-dim);
  transition:transform 220ms var(--ht-ease),color 220ms var(--ht-ease);
}
.ht-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--ht-ink)}
.ht-accordion .accordion-button:hover::after{color:var(--ht-ink)}
.ht-accordion .accordion-body{padding:0 46px 22px 0;color:var(--ht-muted);font-size:15px;line-height:1.85}
@media (max-width:575px){
  .ht-accordion .accordion-button{font-size:15.5px;padding-right:38px}
  .ht-accordion .accordion-body{padding-right:10px;font-size:14.5px}
}

/* ---------- 反馈表单 ---------- */
.ht-form-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:start}
.ht-form{
  background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);
  padding:30px;box-shadow:var(--ht-shadow);max-width:640px;width:100%;
}
.ht-form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ht-field{margin-bottom:18px}
.ht-field:last-of-type{margin-bottom:0}
.ht-field label{display:block;font-size:13px;font-weight:600;color:var(--ht-ink);margin-bottom:8px}
.ht-field label .req{color:var(--ht-clay);margin-left:2px}
.ht-field input,.ht-field select,.ht-field textarea{
  width:100%;min-height:44px;padding:10px 14px;
  border:1px solid var(--ht-border);border-radius:10px;background:#fff;
  font-family:inherit;font-size:14.5px;color:var(--ht-text);
  transition:border-color 180ms var(--ht-ease),box-shadow 180ms var(--ht-ease);
}
.ht-field select{
  appearance:none;
  background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 14 14" fill="none" stroke="%235A6560" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M3.2 5.2l3.8 3.8 3.8-3.8"/></svg>');
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.ht-field textarea{min-height:132px;resize:vertical;line-height:1.7}
.ht-field input:focus,.ht-field select:focus,.ht-field textarea:focus{
  outline:none;border-color:var(--ht-ink);box-shadow:0 0 0 3px rgba(201,242,77,.28);
}
.ht-form-actions{margin-top:24px;display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.ht-form-tip{font-size:12.5px;color:var(--ht-dim);line-height:1.7;margin-top:14px}
.ht-side-card{
  background:#fff;border:1px solid var(--ht-border);border-radius:var(--ht-radius-card);
  padding:26px;box-shadow:var(--ht-shadow);
}
.ht-side-card h3{font-size:16px;margin-bottom:16px}
.ht-side-list{list-style:none;display:grid;gap:14px}
.ht-side-list li{display:flex;gap:10px;font-size:14px;color:var(--ht-muted);line-height:1.7}
.ht-side-list svg{flex-shrink:0;margin-top:3px;color:var(--ht-ink)}
.ht-side-note{
  margin-top:20px;padding:14px 16px;background:var(--ht-bg);
  border-left:3px solid var(--ht-lime);border-radius:0 10px 10px 0;
  font-size:13px;color:var(--ht-muted);line-height:1.75;
}
@media (max-width:991px){
  .ht-form-grid{grid-template-columns:1fr}
  .ht-form{max-width:100%}
}
@media (max-width:767px){
  .ht-form-row{grid-template-columns:1fr}
  .ht-form{padding:22px}
}

/* ---------- 安全提示 ---------- */
.ht-split{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}
.ht-split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--ht-radius-card);
  border:1px solid var(--ht-border);background:var(--ht-alt);box-shadow:var(--ht-shadow);
}
.ht-safety-list{list-style:none;display:grid;gap:12px;margin-top:28px}
.ht-safety-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;background:#fff;border:1px solid var(--ht-border);border-radius:12px;
  font-size:14.5px;color:var(--ht-muted);line-height:1.7;
  transition:border-color var(--ht-dur) var(--ht-ease),transform var(--ht-dur) var(--ht-ease),box-shadow var(--ht-dur) var(--ht-ease);
}
.ht-safety-list li:hover{border-color:#cfd9cd;transform:translateY(-2px);box-shadow:var(--ht-shadow-hover)}
.ht-safety-list svg{flex-shrink:0;margin-top:3px;color:var(--ht-ink)}
.ht-safety-list strong{color:var(--ht-ink);font-weight:600}
@media (max-width:991px){
  .ht-split{grid-template-columns:1fr;gap:34px}
  .ht-split-media{order:-1}
}

/* ---------- CTA 带 ---------- */
.ht-cta-band{background:var(--ht-alt);border-top:1px solid var(--ht-border);padding:44px 0}
.ht-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.ht-cta-inner h2{font-size:clamp(20px,2vw,26px);line-height:1.3}
.ht-cta-inner p{margin-top:8px;font-size:14px;color:var(--ht-muted)}
.ht-cta-inner .ht-btn{flex-shrink:0}
@media (max-width:767px){
  .ht-cta-inner{flex-direction:column;align-items:flex-start}
  .ht-cta-inner .ht-btn{width:100%}
}

/* ---------- 页脚 ---------- */
.ht-footer{background:var(--ht-ink);color:rgba(243,246,242,.78);padding:64px 0 0}
.ht-footer-grid{
  display:grid;grid-template-columns:1.4fr .7fr .8fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.ht-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ht-footer-brand strong{display:block;font-size:17px;color:var(--ht-white-text);line-height:1.2}
.ht-footer-brand em{display:block;font-style:normal;font-size:11px;letter-spacing:.05em;color:rgba(243,246,242,.55);margin-top:2px}
.ht-footer-desc{font-size:13.5px;line-height:1.8;color:rgba(243,246,242,.7);max-width:30em}
.ht-footer-safe{display:flex;gap:8px;align-items:flex-start;margin-top:16px;font-size:12.5px;line-height:1.7;color:rgba(243,246,242,.6)}
.ht-footer-safe svg{flex-shrink:0;margin-top:2px;color:var(--ht-lime)}
.ht-footer h3{font-size:13.5px;font-weight:600;color:var(--ht-white-text);margin-bottom:16px;letter-spacing:.02em}
.ht-footer-links{display:grid;gap:10px;font-size:13.5px}
.ht-footer-links a{color:rgba(243,246,242,.72)}
.ht-footer-links a:hover{color:var(--ht-lime)}
.ht-footer-info{display:grid;gap:10px;font-size:13.5px;color:rgba(243,246,242,.7)}
.ht-footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 28px;font-size:12.5px;color:rgba(243,246,242,.5);
}
.ht-domaine{font-variant-numeric:tabular-nums;letter-spacing:.04em}
@media (max-width:991px){
  .ht-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  .ht-footer{padding-top:48px}
  .ht-footer-grid{grid-template-columns:1fr}
  .ht-footer-bottom{justify-content:flex-start}
}

/* ---------- 抽屉 ---------- */
.ht-drawer{width:300px;background:var(--ht-bg)}
.ht-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid var(--ht-border)}
.ht-drawer .offcanvas-title{font-size:15px;font-weight:700;color:var(--ht-ink)}
.ht-drawer-close{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--ht-border);border-radius:50%;color:var(--ht-ink);
  transition:background var(--ht-dur) var(--ht-ease),border-color var(--ht-dur) var(--ht-ease);
}
.ht-drawer-close:hover{background:var(--ht-alt);border-color:var(--ht-ink)}
.ht-drawer .offcanvas-body{padding:14px 20px 24px;display:flex;flex-direction:column;gap:18px}
.ht-drawer-list{list-style:none}
.ht-drawer-list a{
  display:block;line-height:44px;font-size:15px;color:var(--ht-muted);
  border-bottom:1px solid var(--ht-border);
}
.ht-drawer-list a.active,.ht-drawer-list a:hover{color:var(--ht-ink);font-weight:600}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}