/* roulang page: index */
:root{
  --brand-900:#0E3B2E;--brand-700:#16543F;--brand-500:#1E7A57;--brand-100:#E4EFE9;
  --accent-500:#F26A21;--accent-600:#D8571A;--lime-400:#B7E04A;
  --ink-900:#14181A;--ink-600:#4A5350;--ink-400:#7C8483;
  --bg:#F5F3EE;--surface:#FFFFFF;--surface-2:#FBF9F5;--line:#E3E0D8;
  --radius-s:10px;--radius-m:14px;--radius-l:18px;--radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 12px 32px rgba(20,24,26,.10);
  --container:1200px;--gutter:24px;--section-y:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink-900);
  font-family:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;line-height:1.85;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
h1,h2,h3,h4{margin:0;letter-spacing:.01em;color:var(--ink-900);font-weight:700}
h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;font-weight:800}
h2{font-size:clamp(24px,2.8vw,36px);line-height:1.28}
h3{font-size:21px;line-height:1.4;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums;font-weight:700}
.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--gutter);width:100%}
.sec{padding:var(--section-y) 0}
.sec--surface{background:var(--surface)}
.sec--tint{background:var(--surface-2)}
.sec--dark{background:var(--brand-900);color:#fff}
.sec--dark h2,.sec--dark h3{color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--radius-pill);background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:18px
}
.sec--dark .eyebrow{background:rgba(183,224,74,.14);color:var(--lime-400)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head p{margin-top:14px;color:var(--ink-600);font-size:16px}
.sec--dark .sec-head p{color:rgba(255,255,255,.74)}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1035;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 6px 22px rgba(14,59,46,.10);
  transition:background .32s ease,border-color .32s ease,box-shadow .32s ease;
}
.site-header .nav-inner{height:72px;display:flex;align-items:center;gap:28px}
.site-header.is-solid{
  background:rgba(14,59,46,.94);border-bottom-color:rgba(255,255,255,.12);
  box-shadow:0 8px 24px rgba(14,59,46,.18);
}
.logo{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.logo:hover{color:#fff}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-900));
  border:1px solid rgba(183,224,74,.5);
  display:grid;place-items:center;color:var(--lime-400);font-size:18px
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:700;letter-spacing:.02em}
.logo-text span{font-size:11.5px;color:rgba(255,255,255,.68);letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav-links a{
  position:relative;color:rgba(255,255,255,.86);font-size:15.5px;font-weight:500;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--lime-400);transform:scaleX(0);transform-origin:left;transition:transform .24s ease
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-act{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;font-size:17px;
  transition:background .2s ease,border-color .2s ease
}
.icon-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.45)}
.btn-main,.btn-cta,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-s);border:1px solid transparent;
  font-size:15.5px;font-weight:600;cursor:pointer;
  transition:background .22s ease,transform .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease
}
.btn-main{background:var(--brand-500);color:#fff}
.btn-main:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px)}
.btn-cta{background:var(--accent-500);color:#fff}
.btn-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);border-color:rgba(30,122,87,.28)}
.site-header .btn-cta{height:42px;padding:0 18px;font-size:15px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;font-size:20px
}
.offcanvas.dark-drawer{background:var(--brand-900);color:#fff;width:300px}
.dark-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px}
.dark-drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.8)}
.drawer-list{list-style:none;padding:12px 0}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;color:rgba(255,255,255,.86);font-size:16px;border-left:3px solid transparent
}
.drawer-list a.active{color:#fff;border-left-color:var(--lime-400);background:rgba(255,255,255,.06)}
.drawer-foot{padding:18px 20px;border-top:1px solid rgba(255,255,255,.12)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:620px;min-height:max(620px,88vh);
  display:flex;align-items:flex-end;
  padding:140px 0 56px;
  background-color:var(--brand-900);
  background-image:
    linear-gradient(100deg,rgba(14,59,46,.96) 0%,rgba(14,59,46,.80) 38%,rgba(14,59,46,.42) 72%,rgba(14,59,46,.12) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center 42%;background-repeat:no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
  background-image:radial-gradient(rgba(183,224,74,.85) 1px,transparent 1.4px);
  background-size:26px 26px;
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:44px;align-items:end}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;height:32px;padding:0 15px;margin-bottom:20px;
  border-radius:var(--radius-pill);background:rgba(255,255,255,.12);
  border:1px solid rgba(183,224,74,.45);color:var(--lime-400);font-size:13px;font-weight:600
}
.hero h1{color:#fff;max-width:840px}
.hero-sub{
  margin-top:22px;max-width:620px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82)
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn-ghost{border-color:rgba(255,255,255,.38);color:#fff}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;
  margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)
}
.hero-stats .k{font-size:clamp(22px,2.4vw,30px);color:var(--lime-400);line-height:1.2}
.hero-stats .t{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:6px}
.glass-card{
  background:rgba(255,255,255,.13);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-l);
  padding:28px;box-shadow:0 20px 48px rgba(6,26,20,.30);color:#fff
}
.glass-card h3{color:#fff;font-size:18px;margin-bottom:6px}
.glass-card .hint{font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:18px}
.glass-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.glass-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.8px;line-height:1.65;color:rgba(255,255,255,.9)}
.glass-list i{color:var(--lime-400);font-size:17px;margin-top:2px}
.glass-card .btn-cta{width:100%}

/* ---------- 对比表 ---------- */
.cmp-wrap{position:relative}
.cmp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius-l)}
table.cmp{
  width:100%;min-width:880px;border-collapse:separate;border-spacing:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden
}
table.cmp th,table.cmp td{padding:16px 18px;font-size:15px;text-align:center;border-bottom:1px solid var(--line)}
table.cmp thead th{
  position:sticky;top:88px;z-index:3;background:var(--surface-2);
  font-size:15.5px;font-weight:700;color:var(--ink-900)
}
table.cmp thead th:first-child{text-align:left;width:22%;left:0;z-index:4}
table.cmp thead th.rec{background:var(--brand-100);color:var(--brand-700)}
table.cmp tbody th{
  text-align:left;font-weight:600;font-size:15px;color:var(--ink-900);
  background:var(--surface);position:sticky;left:0;z-index:2;width:22%;
  box-shadow:1px 0 0 var(--line)
}
table.cmp tbody tr:nth-child(even) td{background:var(--surface-2)}
table.cmp tbody tr:nth-child(even) th{background:var(--surface-2)}
table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td.rec{background:rgba(228,239,233,.55)}
table.cmp tbody tr:nth-child(even) td.rec{background:rgba(228,239,233,.75)}
table.cmp col.rec-col{}
table.cmp .col-rec{position:relative}
table.cmp .col-rec::before{
  content:"";position:absolute;inset:0;border-left:2px solid var(--accent-500);border-right:2px solid var(--accent-500);pointer-events:none;z-index:5
}
table.cmp thead th.rec .tag-rec{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;margin-left:8px;
  border-radius:var(--radius-pill);background:var(--accent-500);color:#fff;font-size:12px;font-weight:600;vertical-align:middle
}
.yes{color:var(--brand-500);font-size:19px}
.no{color:var(--ink-400);font-size:19px}
.price-cell{font-size:17px;color:var(--accent-500)}
.price-cell small{display:block;font-size:12.5px;color:var(--ink-400);font-weight:400;margin-top:2px}
.plan-stack{display:none;flex-direction:column;gap:16px}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px;box-shadow:var(--shadow-1)
}
.plan-card.rec{border:2px solid var(--accent-500)}
.plan-card .pc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.plan-card .pc-name{font-size:17px;font-weight:700}
.plan-card .pc-price{font-size:21px;color:var(--accent-500)}
.plan-card ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:9px}
.plan-card li{display:flex;gap:9px;font-size:14.5px;color:var(--ink-600)}
.plan-card li i{color:var(--brand-500);margin-top:3px}

/* ---------- 等级亮点 ---------- */
.lvl-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.lvl{
  position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:28px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease
}
.lvl:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,122,87,.28)}
.lvl::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--brand-500)}
.lvl--lg{grid-column:span 8}
.lvl--sm{grid-column:span 4}
.lvl--a::before{background:var(--brand-500)}
.lvl--b::before{background:var(--lime-400)}
.lvl--c::before{background:var(--accent-500)}
.lvl--d::before{background:var(--brand-700)}
.lvl--e::before{background:#9CCB3B}
.lvl-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.lvl-name{font-size:20px;font-weight:700}
.lvl-count{font-size:13px;color:var(--brand-700);background:var(--brand-100);border-radius:var(--radius-pill);padding:4px 12px;font-weight:600}
.lvl p{font-size:15px;color:var(--ink-600);margin:0}
.bar{height:6px;border-radius:var(--radius-pill);background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--brand-500),var(--lime-400))}
.lvl .link-arrow{margin-top:auto}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--brand-500)}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover{color:var(--brand-700)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 内容预览 ---------- */
.preview-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:34px;align-items:start}
.chip-rail{display:flex;flex-direction:column;gap:10px;position:sticky;top:100px}
.chip{
  display:inline-flex;align-items:center;justify-content:center;height:38px;padding:0 16px;
  border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--surface);
  color:var(--ink-600);font-size:14.5px;font-weight:500;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease
}
.chip:hover{background:var(--brand-100);color:var(--brand-700);border-color:rgba(30,122,87,.28)}
.chip.active{background:var(--brand-500);border-color:var(--brand-500);color:#fff}
.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.cbox{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease
}
.cbox:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,122,87,.28)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--brand-900),var(--brand-700))}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.cbox:hover .thumb img{transform:scale(1.03)}
.cbox-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:600
}
.badge-lock{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--accent-500);color:#fff;font-size:12.5px;font-weight:600
}
.badge-data{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  border:1px solid var(--lime-400);color:var(--brand-900);background:rgba(183,224,74,.16);font-size:12.5px;font-weight:600
}
.cbox h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cbox p{font-size:14.5px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.cmeta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-top:auto}
.cbox.locked .thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:62%;
  background:linear-gradient(to top,rgba(14,59,46,.92),rgba(14,59,46,0))
}
.lock-flag{position:absolute;left:14px;bottom:14px;z-index:2;color:#fff;display:flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600}

/* ---------- 最新信息 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1);color:inherit;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,122,87,.28);color:inherit}
.post-card h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.post-card:hover h3{color:var(--brand-500)}
.post-card p{font-size:14.5px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.empty-state{
  border:2px dashed var(--line);background:var(--surface-2);border-radius:16px;
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px;color:var(--ink-600)
}
.empty-state i{font-size:34px;color:var(--ink-400)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:48px;align-items:start}
.faq-side{position:sticky;top:110px}
.faq-side p{color:var(--ink-600);font-size:15.5px;margin-top:14px}
.faq-side .btn-ghost{margin-top:20px}
.acc .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.acc .accordion-button{
  background:transparent;box-shadow:none;color:var(--ink-900);font-size:17px;font-weight:600;
  padding:22px 44px 22px 4px;border-radius:12px;line-height:1.55
}
.acc .accordion-button:not(.collapsed){background:var(--surface-2);color:var(--brand-700);padding-left:18px}
.acc .accordion-button::after{display:none}
.acc .accordion-button .plus{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;display:grid;place-items:center;font-size:19px;color:var(--brand-500);
  transition:transform .28s ease
}
.acc .accordion-button:not(.collapsed) .plus{transform:translateY(-50%) rotate(45deg);color:var(--accent-500)}
.acc .accordion-body{padding:6px 20px 24px;color:var(--ink-600);font-size:15.5px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-900);color:#fff;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(183,224,74,.20),rgba(183,224,74,0) 65%)
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:52px;align-items:center}
.cta-band h2{color:#fff}
.cta-points{list-style:none;margin-top:26px;display:flex;flex-direction:column;gap:14px}
.cta-points li{display:flex;gap:12px;font-size:16px;color:rgba(255,255,255,.85)}
.cta-points i{color:var(--lime-400);font-size:18px;margin-top:3px}
.cta-note{margin-top:24px;font-size:14px;color:rgba(255,255,255,.62)}
.form-card{
  background:var(--surface);border-radius:var(--radius-l);padding:30px;box-shadow:var(--shadow-2);color:var(--ink-900)
}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--ink-400);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink-600)}
.field .form-control,.field .form-select{
  height:48px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface-2);
  font-size:15.5px;color:var(--ink-900);box-shadow:none;padding:0 14px
}
.field .form-control::placeholder{color:var(--ink-400)}
.field .form-control:focus,.field .form-select:focus{
  border-color:var(--brand-500);background:var(--surface);
  box-shadow:0 0 0 3px rgba(30,122,87,.15)
}
.form-card .btn-cta{width:100%;height:50px}
.form-tip{font-size:12.5px;color:var(--ink-400);margin-top:12px;text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col p{font-size:14px;line-height:1.8}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-list a{color:rgba(255,255,255,.72);font-size:14px}
.footer-list a:hover{color:var(--lime-400)}
.footer-logo{display:flex;align-items:center;gap:11px;margin-bottom:16px;color:#fff}
.footer-logo .logo-mark{width:34px;height:34px;border-radius:9px;font-size:16px}
.footer-logo b{font-size:16px}
.sub-form{display:flex;gap:10px;margin-top:16px}
.sub-form input{
  flex:1;height:44px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:14.5px
}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form input:focus{outline:none;border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(183,224,74,.18)}
.sub-form button{
  height:44px;padding:0 18px;border-radius:var(--radius-s);border:0;background:var(--accent-500);
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s ease
}
.sub-form button:hover{background:var(--accent-600)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;
  gap:14px;align-items:center;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.58)
}
.socials{display:flex;gap:12px}
.socials a{
  width:36px;height:36px;border-radius:var(--radius-s);border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;color:rgba(255,255,255,.72);font-size:16px;transition:.2s ease
}
.socials a:hover{color:var(--lime-400);border-color:var(--lime-400);background:rgba(183,224,74,.10)}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease}
.fade-up.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 340px;gap:32px}
  .content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:280px minmax(0,1fr);gap:34px}
  .cta-grid{grid-template-columns:minmax(0,1fr) 380px;gap:34px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col--sub{grid-column:1/-1}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .nav-act .icon-btn{display:none}
  .nav-toggle{display:grid;place-items:center}
  .preview-layout{grid-template-columns:minmax(0,1fr);gap:20px}
  .chip-rail{position:static;flex-direction:row;overflow-x:auto;padding-bottom:6px}
  .chip{flex:0 0 auto}
  .lvl--lg,.lvl--sm{grid-column:span 6}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:22px}
  .faq-side{position:static}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:32px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .hero{min-height:auto;padding:112px 0 46px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .glass-card{padding:22px}
  .cmp-scroll{display:none}
  .plan-stack{display:flex}
  .lvl--lg,.lvl--sm{grid-column:span 12}
  .post-grid{grid-template-columns:minmax(0,1fr)}
  .content-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .sec-head--row{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:575.98px){
  .wrap{padding:0 20px}
  .btn-main,.btn-cta,.btn-ghost{width:100%;height:48px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .form-card{padding:22px}
  .site-header .nav-inner{height:60px;gap:14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .fade-up{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --brand-900:#0E3B2E;--brand-700:#16543F;--brand-500:#1E7A57;--brand-100:#E4EFE9;
  --accent-500:#F26A21;--accent-600:#D8571A;--lime-400:#B7E04A;
  --ink-900:#14181A;--ink-600:#4A5350;--ink-400:#7C8483;
  --bg:#F5F3EE;--surface:#FFFFFF;--surface-2:#FBF9F5;--line:#E3E0D8;
  --radius-s:10px;--radius-m:14px;--radius-l:18px;--radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 12px 32px rgba(20,24,26,.10);
  --container:1200px;--gutter:24px;--section-y:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;line-height:1.85;color:var(--ink-600);background:var(--bg);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease}
ul,ol{margin:0;padding:0}
ul{list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.01em;line-height:1.3}
h1{font-size:clamp(26px,3.4vw,42px);line-height:1.22;font-weight:800}
p{margin:0}
button,input,select{font:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.num{font-variant-numeric:tabular-nums;font-weight:700}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--radius-s);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,background-color .25s ease,color .25s ease,box-shadow .25s ease,border-color .25s ease}
.btn-primary-brand{background:var(--brand-500);color:#fff}
.btn-primary-brand:hover{background:var(--brand-700);transform:translateY(-1px)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink-900)}
.btn-outline:hover{background:var(--brand-100);border-color:rgba(30,122,87,.32);color:var(--brand-700)}
.btn-ghost-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.22)}
.btn-block{width:100%}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.10);color:#fff;cursor:pointer;
  transition:background-color .25s ease,color .25s ease}
.icon-btn:hover{background:rgba(255,255,255,.22)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-700)}
.link-arrow i{transition:transform .25s ease}
.link-arrow:hover{color:var(--accent-500)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge-pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600}
.badge-soft{background:var(--brand-100);color:var(--brand-700)}
.badge-accent{background:var(--accent-500);color:#fff}
.badge-line{border:1px solid var(--lime-400);color:#fff;background:transparent}

/* ---------- 头部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;height:72px;display:flex;align-items:center;
  background:rgba(255,255,255,.10);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);box-shadow:0 4px 18px rgba(14,59,46,.10);
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease,height .3s ease}
.site-header.is-stuck{background:rgba(14,59,46,.94);border-bottom-color:rgba(255,255,255,.12);box-shadow:0 8px 24px rgba(14,59,46,.18)}
.nav-wrap{display:flex;align-items:center;gap:28px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;letter-spacing:.01em}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));color:#fff;font-size:18px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-links a{position:relative;padding:6px 0;font-size:15.5px;font-weight:500;color:rgba(255,255,255,.82)}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--lime-400)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-actions .nav-links{margin-left:0}
.nav-toggle{display:none}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.mobile-nav{width:min(330px,86vw);background:var(--brand-900);color:#fff;border-left:1px solid rgba(255,255,255,.14)}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:16px 20px}
.mobile-nav .mobile-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;font-size:16px}
.mobile-nav .offcanvas-body{padding:18px 16px 28px}
.mobile-nav .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:6px;margin:0}
.mobile-nav .nav-links a{padding:13px 14px;border-radius:12px;font-size:16px;color:rgba(255,255,255,.86)}
.mobile-nav .nav-links a:hover{background:rgba(255,255,255,.10);color:#fff}
.mobile-nav .nav-links a.active{background:rgba(255,255,255,.10);color:#fff;box-shadow:inset 3px 0 0 var(--lime-400)}
.mobile-nav .offcanvas-body .btn{margin-top:18px}

/* ---------- 页面头部 ---------- */
.page-head{position:relative;padding:140px 0 60px;color:#fff;
  background:linear-gradient(105deg,rgba(14,59,46,.95) 0%,rgba(22,84,63,.88) 55%,rgba(14,59,46,.90) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.page-head::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:36px 36px}
.page-head .wrap{position:relative;z-index:2}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.66)}
.breadcrumb-nav a{color:rgba(255,255,255,.86)}
.breadcrumb-nav a:hover{color:var(--lime-400)}
.breadcrumb-nav .sep{color:rgba(255,255,255,.4)}
.breadcrumb-nav .crumb-current{color:rgba(255,255,255,.62);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 14px}
.page-head h1{color:#fff;max-width:26ch}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;font-size:14px;color:rgba(255,255,255,.76)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{font-size:15px;color:var(--lime-400)}
.head-divider{height:1px;margin-top:26px;background:rgba(255,255,255,.16)}

/* ---------- 正文布局 ---------- */
.article-section{padding:var(--section-y) 0}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) 300px;gap:36px;justify-content:center;align-items:start}
.article-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:clamp(24px,3vw,46px);box-shadow:var(--shadow-1);font-size:17px;line-height:1.9;color:var(--ink-600);overflow-x:auto}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{font-size:clamp(21px,2.1vw,27px);color:var(--ink-900);margin:2em 0 .6em;padding-left:16px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand-500)}
.article-body h3{font-size:20px;color:var(--ink-900);margin:1.6em 0 .5em}
.article-body h4{font-size:17.5px;color:var(--ink-900);margin:1.4em 0 .4em}
.article-body a{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-500)}
.article-body strong{color:var(--ink-900);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin-bottom:.5em;line-height:1.8}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--surface-2);
  border-left:3px solid var(--accent-500);border-radius:0 12px 12px 0;color:var(--ink-600)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-m);margin:1.6em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;font-size:13px;text-align:center;color:var(--ink-400)}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px;margin:1.6em 0;
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:var(--surface-2);color:var(--ink-900);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}
.article-body code{background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:15px}

/* ---------- 空态 ---------- */
.empty-state{border:2px dashed var(--line);background:var(--surface-2);border-radius:16px;
  padding:52px 26px;text-align:center}
.empty-state i{font-size:34px;color:var(--brand-500)}
.empty-state .empty-title{margin:14px 0 8px;font-size:20px;color:var(--ink-900);padding-left:0}
.empty-state .empty-title::before{display:none}
.empty-state p{max-width:48ch;margin:0 auto 20px;font-size:15.5px;color:var(--ink-600)}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:22px;box-shadow:var(--shadow-1)}
.side-card--mint{background:var(--brand-100);border-color:rgba(30,122,87,.24)}
.side-title{font-size:16.5px;margin-bottom:14px}
.side-list li{position:relative;padding-left:18px;font-size:14.5px;line-height:1.75;margin-bottom:10px;color:var(--ink-600)}
.side-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--brand-500)}
.side-card--mint .side-list li::before{background:var(--accent-500)}
.side-card .btn{margin-top:6px}
.side-links li{border-bottom:1px dashed var(--line);padding-bottom:12px;margin-bottom:12px}
.side-links li:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0}
.side-links a{font-size:14.5px;font-weight:600;color:var(--ink-900);display:block}
.side-links a:hover{color:var(--brand-500)}
.side-links span{display:block;font-size:13px;color:var(--ink-400);font-weight:400;margin-top:2px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-row a{display:inline-flex;align-items:center;height:32px;padding:0 13px;border-radius:var(--radius-pill);
  border:1px solid var(--line);font-size:13px;color:var(--ink-600);background:var(--surface-2)}
.tag-row a:hover{background:var(--brand-100);color:var(--brand-700);border-color:rgba(30,122,87,.28)}

/* ---------- 相关推荐 ---------- */
.related-section{padding:0 0 var(--section-y);background:var(--bg)}
.section-head{display:flex;flex-wrap:wrap;gap:16px 24px;align-items:flex-end;justify-content:space-between;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.4vw,30px)}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-600);max-width:62ch}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,122,87,.28)}
.thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--brand-900),var(--brand-700))}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.info-card:hover .thumb img{transform:scale(1.03)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:18px;line-height:1.45}
.card-body p{font-size:14.5px;color:var(--ink-600);line-height:1.75}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}

/* ---------- CTA ---------- */
.cta-band{background:radial-gradient(120% 140% at 15% 10%,rgba(30,122,87,.55),transparent 60%),var(--brand-900);
  color:#fff;padding:var(--section-y) 0}
.cta-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:center}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,32px)}
.cta-points{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:20px}
.cta-points li{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:rgba(255,255,255,.82)}
.cta-points i{color:var(--lime-400)}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch;justify-self:end;width:100%;max-width:320px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px}
.footer-logo b{font-weight:800}
.footer-col p{font-size:14px;line-height:1.8;margin-top:14px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-list a:hover{color:var(--lime-400)}
.sub-form{display:flex;gap:8px;margin-top:16px}
.sub-form input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.20);background:rgba(255,255,255,.08);color:#fff;font-size:14px}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form button{height:44px;padding:0 18px;border:0;border-radius:var(--radius-s);background:var(--accent-500);
  color:#fff;font-weight:600;cursor:pointer;transition:background-color .25s ease}
.sub-form button:hover{background:var(--accent-600)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px}
.socials{display:flex;gap:12px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8)}
.socials a:hover{background:var(--lime-400);color:var(--brand-900)}

@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static}
}
@media (max-width:991.98px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-self:start}
}
@media (max-width:767.98px){
  .site-header{height:60px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .page-head{padding:104px 0 44px}
  .breadcrumb-nav .crumb-current{white-space:normal}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .article-body{padding:22px 18px;font-size:16.5px}
}
@media (max-width:575.98px){
  :root{--gutter:20px}
  .logo span.logo-text{font-size:16px}
  .nav-actions .btn-accent{display:none}
  .article-section .btn,.related-section .btn,.cta-actions .btn{width:100%}
  .cta-actions{max-width:none}
  .btn-lg{padding:0 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand-900:#0E3B2E;
  --brand-700:#16543F;
  --brand-500:#1E7A57;
  --brand-100:#E4EFE9;
  --accent-500:#F26A21;
  --accent-600:#D8571A;
  --lime-400:#B7E04A;
  --ink-900:#14181A;
  --ink-600:#4A5350;
  --ink-400:#7C8483;
  --bg:#F5F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF9F5;
  --line:#E3E0D8;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 12px 32px rgba(20,24,26,.10);
  --container:1200px;
  --gutter:24px;
  --section-y:clamp(56px,7vw,96px);
  --font-cn:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--font-cn);letter-spacing:.01em;color:var(--ink-900)}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.18;font-weight:800}
h2{font-size:clamp(24px,2.8vw,34px);line-height:1.28;font-weight:700}
h3{font-size:21px;line-height:1.4;font-weight:600}
p{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
ul,ol{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse}
svg{display:block}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--gutter);width:100%}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:2000;
  background:var(--brand-900);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;font-size:14px;
}
.skip-link:focus{left:0}

/* ============ 徽章 / 标签 ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;
  background:var(--brand-100);color:var(--brand-700);
}
.badge-soft-light{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;
  border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;
}
.badge-outline{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;
  border:1px solid var(--lime-400);color:var(--brand-900);background:transparent;
}
.badge-accent{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;
  background:var(--accent-500);color:#fff;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-s);
  border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn i{font-size:16px}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{background:var(--brand-100);border-color:rgba(30,122,87,.28);color:var(--brand-700)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand-700);font-weight:600;font-size:15px;
}
.link-arrow svg{transition:transform .22s ease}
.link-arrow:hover{color:var(--brand-500)}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 6px 22px rgba(14,59,46,.12);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-stuck{
  background:rgba(14,59,46,.93);
  border-bottom-color:rgba(255,255,255,.12);
  box-shadow:0 8px 24px rgba(14,59,46,.18);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:linear-gradient(135deg,var(--accent-500),var(--brand-500));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 4px 14px rgba(242,106,33,.28);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{color:#fff;font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
  padding:9px 14px;border-radius:9px;transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-links a.active{color:#fff;font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime-400);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(255,255,255,.28);color:#fff;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5)}
.burger{display:none}

/* ============ 移动端抽屉 ============ */
.nav-drawer{background:var(--brand-900);color:#fff;width:min(86vw,340px);border-left:1px solid rgba(255,255,255,.12)}
.nav-drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px;
}
.drawer-title{font-size:16px;font-weight:700;color:#fff}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.14)}
.nav-drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:18px}
.drawer-links{display:flex;flex-direction:column;gap:6px}
.drawer-links a{
  position:relative;padding:13px 14px 13px 18px;border-radius:11px;
  color:rgba(255,255,255,.82);font-size:15.5px;font-weight:500;
}
.drawer-links a:hover{background:rgba(255,255,255,.10);color:#fff}
.drawer-links a.active{background:rgba(255,255,255,.12);color:#fff;font-weight:600}
.drawer-links a.active::before{
  content:"";position:absolute;left:6px;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--lime-400);
}
.drawer-note{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7}

/* ============ 分类深色分区头 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--brand-900) 0%,var(--brand-700) 100%);
  padding:calc(72px + 46px) 0 44px;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(120% 100% at 15% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 100% at 15% 0%,#000 0%,transparent 72%);
}
.cat-hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1.28fr) minmax(0,.72fr);
  gap:40px;align-items:center;min-height:240px;
}
.cat-hero-copy h1{color:#fff;margin:16px 0 14px}
.cat-hero-copy p{color:rgba(255,255,255,.78);font-size:16.5px;line-height:1.85;max-width:640px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-figure{
  margin:0;position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid rgba(183,224,74,.55);box-shadow:0 18px 40px rgba(6,26,20,.35);
  aspect-ratio:16/10;background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.stat-row{
  position:relative;z-index:1;margin-top:38px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.stat-item .stat-num{
  font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--lime-400);
  font-variant-numeric:tabular-nums;line-height:1.2;display:block;
}
.stat-item .stat-label{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:4px;display:block}

/* ============ 主体两栏 ============ */
.member-layout{
  display:grid;grid-template-columns:250px minmax(0,1fr);gap:40px;
  padding:var(--section-y) var(--gutter);max-width:var(--container);margin:0 auto;
}
.anchor-nav{
  position:sticky;top:96px;align-self:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:20px 16px;box-shadow:var(--shadow-1);
}
.anchor-title{font-size:14px;font-weight:700;color:var(--ink-900);padding:0 12px 12px}
.anchor-nav a{
  display:block;padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--ink-600);
  border-left:3px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-nav a:hover{background:var(--surface-2);color:var(--brand-700)}
.anchor-nav a.active{
  background:var(--brand-100);color:var(--brand-700);font-weight:600;border-left-color:var(--brand-500);
}

.member-section{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:clamp(24px,3vw,34px);box-shadow:var(--shadow-1);margin-bottom:26px;
  scroll-margin-top:96px;
}
.member-section:last-child{margin-bottom:0}
.sec-title{
  display:flex;align-items:center;gap:12px;font-size:clamp(21px,2.3vw,27px);
  font-weight:700;line-height:1.35;margin-bottom:16px;
}
.sec-title::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--brand-500);flex:0 0 4px}
.member-section > p{color:var(--ink-600);font-size:16px;line-height:1.85;margin-bottom:16px}
.member-section > p:last-child{margin-bottom:0}
.sub-title{font-size:17px;font-weight:600;margin:26px 0 12px;color:var(--ink-900)}

/* 要点列表 */
.point-list{list-style:none;padding:0;margin:4px 0 0}
.point-list li{
  display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);
  color:var(--ink-600);font-size:15.5px;line-height:1.8;
}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-list li strong{color:var(--ink-900);font-weight:600}
.point-list .ic{flex:0 0 20px;margin-top:7px;color:var(--brand-500)}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m);margin:10px 0 6px}
.mini-table{width:100%;min-width:520px;font-size:15px}
.mini-table thead th{
  background:var(--surface-2);font-weight:600;color:var(--ink-900);
  padding:14px 16px;text-align:center;border-bottom:1px solid var(--line);white-space:nowrap;
}
.mini-table thead th:first-child{text-align:left;width:36%}
.mini-table thead th.reco{background:var(--brand-100);color:var(--brand-700);position:relative}
.mini-table thead th.reco::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--accent-500);
}
.mini-table tbody td{
  padding:14px 16px;text-align:center;border-bottom:1px solid var(--line);
  color:var(--ink-600);font-variant-numeric:tabular-nums;
}
.mini-table tbody td:first-child{text-align:left;font-weight:600;color:var(--ink-900);font-variant-numeric:normal}
.mini-table tbody tr:nth-child(odd){background:#fff}
.mini-table tbody tr:nth-child(even){background:var(--surface-2)}
.mini-table tbody tr:last-child td{border-bottom:0}
.ic-yes{color:var(--brand-500);margin:0 auto}
.ic-no{color:var(--ink-400);margin:0 auto}
.table-note{font-size:13.5px;color:var(--ink-400);margin-top:10px}

/* 图片块 */
.scope-figure{
  margin:22px 0 0;border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/9;background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
}
.scope-figure img{width:100%;height:100%;object-fit:cover}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:20px}
.step{
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px 20px;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,122,87,.28)}
.step-num{
  font-size:22px;font-weight:700;color:var(--accent-500);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:12px;display:block;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--ink-600);line-height:1.75}

/* 折叠面板 */
.acc-wrap{border-top:1px solid var(--line);margin-top:20px}
.acc-wrap .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.acc-wrap .accordion-item:last-child{border-bottom:0}
.acc-wrap .accordion-button{
  background:transparent;box-shadow:none;border-radius:12px;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
  padding:18px 46px 18px 14px;line-height:1.6;
}
.acc-wrap .accordion-button:not(.collapsed){background:var(--surface-2);color:var(--brand-700)}
.acc-wrap .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent-500);outline-offset:2px}
.acc-wrap .accordion-button::after{display:none}
.acc-wrap .accordion-button .plus{
  position:absolute;right:16px;top:50%;width:14px;height:14px;transform:translateY(-50%);
}
.acc-wrap .accordion-button .plus::before,
.acc-wrap .accordion-button .plus::after{
  content:"";position:absolute;left:0;top:6px;width:14px;height:2px;border-radius:2px;
  background:var(--brand-500);transition:transform .25s ease;
}
.acc-wrap .accordion-button .plus::after{transform:rotate(90deg)}
.acc-wrap .accordion-button:not(.collapsed) .plus::after{transform:rotate(0deg)}
.acc-wrap .accordion-body{
  padding:4px 46px 20px 14px;font-size:15.5px;color:var(--ink-600);line-height:1.85;
}

/* ============ 服务承诺条 ============ */
.promise-band{background:var(--bg);padding-bottom:var(--section-y)}
.promise-title{font-size:clamp(21px,2.3vw,27px);font-weight:700;margin-bottom:8px}
.promise-sub{color:var(--ink-600);font-size:15.5px;margin-bottom:24px}
.promise-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.promise-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.promise-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,122,87,.28)}
.promise-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);margin-bottom:16px;
}
.promise-icon svg{width:22px;height:22px}
.promise-card h3{font-size:17.5px;margin-bottom:8px}
.promise-card p{font-size:15px;color:var(--ink-600);line-height:1.78}

/* ============ 结尾 CTA 卡 ============ */
.cta-band{background:var(--bg);padding-bottom:var(--section-y)}
.cta-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-2);padding:clamp(26px,3.4vw,44px);
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,3vw,42px);
  scroll-margin-top:96px;
}
.cta-card h2{margin-bottom:14px}
.cta-card .cta-lead{color:var(--ink-600);font-size:16px;line-height:1.85;margin-bottom:20px}
.cta-points{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-600)}
.cta-points .ic{flex:0 0 18px;margin-top:6px;color:var(--accent-500)}
.price-line{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:14px 18px;font-size:14px;color:var(--ink-600);
}
.price-line .amount{font-size:24px;font-weight:700;color:var(--accent-500);font-variant-numeric:tabular-nums}
.form-card{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-l);padding:24px 22px}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-tip{font-size:13.5px;color:var(--ink-400);margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink-900)}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--radius-s);
  border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--ink-400)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(30,122,87,.15);
}
.field.has-error input,.field.has-error select{border-color:var(--accent-500)}
.field .err{display:none;font-size:13px;color:var(--accent-600);margin-top:6px}
.field.has-error .err{display:block}
.form-legal{font-size:13px;color:var(--ink-400);margin-top:12px;line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:34px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;margin-bottom:14px}
.footer-logo .logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  background:linear-gradient(135deg,var(--accent-500),var(--brand-500));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
}
.footer-logo .logo-mark i{font-size:17px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-list a:hover{color:var(--lime-400)}
.sub-form{display:flex;gap:8px;margin-top:14px}
.sub-form input{
  flex:1;min-width:0;height:44px;border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);
  color:#fff;padding:0 12px;font-size:14px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form input:focus{outline:none;border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(183,224,74,.18)}
.sub-form button{
  height:44px;padding:0 18px;border:0;border-radius:var(--radius-s);
  background:var(--accent-500);color:#fff;font-weight:600;font-size:14px;cursor:pointer;
  transition:background .22s ease;
}
.sub-form button:hover{background:var(--accent-600)}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.socials a:hover{border-color:var(--lime-400);color:var(--lime-400);background:rgba(255,255,255,.06)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .member-layout{grid-template-columns:220px minmax(0,1fr);gap:28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:28px}
  .footer-col--sub{grid-column:1 / -1}
}
@media (max-width:991.98px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-figure{max-width:560px}
  .member-layout{grid-template-columns:1fr;gap:22px;padding-top:40px}
  .anchor-nav{position:static;display:flex;gap:10px;overflow-x:auto;padding:12px;border-radius:var(--radius-m)}
  .anchor-title{display:none}
  .anchor-nav a{
    white-space:nowrap;border-left:0;border:1px solid var(--line);border-radius:var(--radius-pill);
    background:var(--surface-2);padding:8px 16px;font-size:14px;
  }
  .anchor-nav a.active{background:var(--brand-500);border-color:var(--brand-500);color:#fff}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .promise-row{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media (max-width:767.98px){
  .header-inner{height:60px;gap:14px}
  .brand-text{font-size:15.5px}
  .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
  .cat-hero{padding:calc(60px + 30px) 0 34px}
  .cat-hero-copy p{font-size:15.5px}
  .hero-btns .btn{width:100%}
  .mini-table{min-width:460px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col:first-child{grid-column:1 / -1}
}
@media (max-width:575.98px){
  :root{--gutter:20px}
  .member-layout{padding-left:20px;padding-right:20px}
  h1{font-size:clamp(26px,7vw,34px)}
  .steps{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .header-actions .btn-sm{width:auto}
  .sub-form{flex-direction:column}
  .sub-form button{width:100%}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E3B2E;
  --brand-700:#16543F;
  --brand-500:#1E7A57;
  --brand-100:#E4EFE9;
  --accent-500:#F26A21;
  --accent-600:#D8571A;
  --lime-400:#B7E04A;
  --ink-900:#14181A;
  --ink-600:#4A5350;
  --ink-400:#7C8483;
  --bg:#F5F3EE;
  --surface:#FFFFFF;
  --surface-2:#FBF9F5;
  --line:#E3E0D8;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 12px 32px rgba(20,24,26,.10);
  --container:1200px;
  --gutter:24px;
  --section-y:clamp(56px,7vw,96px);
  --font:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .25s ease,background .25s ease;}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{font-family:var(--font);letter-spacing:.01em;margin:0;color:var(--ink-900);}
h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;font-weight:800;}
h2{font-size:clamp(24px,2.8vw,36px);line-height:1.28;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.wrap{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--radius-s);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .2s ease,box-shadow .25s ease;
}
.btn i{font-size:16px;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand-500);color:#fff;}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-700);color:#fff;transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover,.btn-accent:focus{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--brand-700);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-100);color:var(--brand-700);}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover,.btn-outline-light:focus{background:rgba(255,255,255,.18);color:#fff;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 芯片 ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.pill--lime{background:rgba(183,224,74,.16);color:var(--lime-400);border:1px solid rgba(183,224,74,.45);}
.pill--brand{background:var(--brand-100);color:var(--brand-700);}
.pill--accent{background:var(--accent-500);color:#fff;}
.pill--data{background:transparent;border:1px solid var(--lime-400);color:var(--brand-900);}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink-600);
  font-size:14px;
  font-weight:500;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.chip:hover{background:var(--brand-100);color:var(--brand-700);border-color:rgba(30,122,87,.28);}
.chip.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.10);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.22);
  box-shadow:0 6px 20px rgba(14,59,46,.10);
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-solid{
  background:rgba(14,59,46,.92);
  border-bottom-color:rgba(255,255,255,.12);
  box-shadow:0 8px 24px rgba(14,59,46,.18);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;letter-spacing:.01em;}
.brand:hover{color:#fff;}
.logo-mark{
  width:32px;height:32px;flex:0 0 32px;
  border-radius:9px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-500),var(--lime-400));
  color:var(--brand-900);
  font-size:15px;
}
.brand-text b{color:var(--lime-400);font-weight:800;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-links a{
  position:relative;
  padding:8px 12px;
  border-radius:8px;
  color:rgba(255,255,255,.86);
  font-size:15px;
  font-weight:500;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-links a.active{color:#fff;font-weight:700;}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--lime-400);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);
  color:#fff;
  font-size:16px;
  transition:background .25s ease,border-color .25s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.22);}
.nav-toggle{display:none;}

.offcanvas.mobile-nav{background:var(--brand-900);color:#fff;width:300px;}
.mobile-nav .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px;}
.mobile-nav .offcanvas-title{color:#fff;font-size:16px;font-weight:700;}
.mobile-nav .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8;}
.mobile-nav .offcanvas-body{padding:16px 20px 28px;}
.mobile-nav nav a{
  display:block;
  padding:14px 4px;
  color:rgba(255,255,255,.85);
  font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-nav nav a:hover{color:var(--lime-400);}
.mobile-nav nav a.active{color:var(--lime-400);border-left:3px solid var(--lime-400);padding-left:12px;}
.mobile-nav .mobile-cta{margin-top:24px;width:100%;}

/* ---------- 分类横幅 ---------- */
.page-hero{
  position:relative;
  min-height:360px;
  display:flex;
  align-items:flex-end;
  padding:128px 0 46px;
  overflow:hidden;
  background:linear-gradient(120deg,var(--brand-900),var(--brand-700));
}
.page-hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;}
.page-hero__mask{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(14,59,46,.95) 0%,rgba(14,59,46,.80) 44%,rgba(14,59,46,.44) 100%);
}
.page-hero__grid{
  position:absolute;inset:0;z-index:1;opacity:.32;
  background-image:radial-gradient(rgba(183,224,74,.30) 1px,transparent 1px);
  background-size:22px 22px;
}
.page-hero__inner{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:16px;}
.crumb a{color:rgba(255,255,255,.62);}
.crumb a:hover{color:var(--lime-400);}
.crumb span.sep{color:rgba(255,255,255,.35);}
.crumb .now{color:rgba(255,255,255,.92);}
.page-hero h1{color:#fff;max-width:940px;margin-top:14px;}
.page-hero .lead{
  color:rgba(255,255,255,.82);
  font-size:16px;
  max-width:760px;
  margin-top:16px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 42px;margin-top:32px;}
.hero-stats .stat b{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--lime-400);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-stats .stat span{font-size:13px;color:rgba(255,255,255,.68);}

/* ---------- 板块 ---------- */
.section{padding:var(--section-y) 0;}
.section--surface{background:var(--surface);}
.section--alt{background:var(--surface-2);}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head .eyebrow{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-500);
  margin-bottom:10px;
}
.section-head p{color:var(--ink-600);margin-top:12px;font-size:16px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}

/* ---------- 装备卡片 ---------- */
.gear-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,122,87,.28);}
.thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .thumb img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:14px;flex:1;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;}
.card h3{font-size:19px;}
.kv li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:7px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;
}
.kv li:last-child{border-bottom:0;}
.kv span{color:var(--ink-400);}
.kv b{color:var(--accent-500);font-weight:700;font-variant-numeric:tabular-nums;text-align:right;}
.arrow-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:auto;
  padding-top:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-700);
}
.arrow-link svg{transition:transform .25s ease;}
.arrow-link:hover{color:var(--brand-500);}
.arrow-link:hover svg{transform:translateX(3px);}

/* ---------- 选购要点 ---------- */
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.point{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.point:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(30,122,87,.28);}
.point .p-ico{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:19px;
  margin-bottom:18px;
}
.point h3{font-size:19px;margin-bottom:10px;}
.point p{color:var(--ink-600);font-size:15.5px;}
.point ol{margin-top:14px;}
.point ol li{
  position:relative;
  padding-left:24px;
  font-size:14.5px;
  color:var(--ink-600);
  margin-bottom:8px;
}
.point ol li::before{
  content:attr(data-idx);
  position:absolute;left:0;top:0;
  width:16px;
  color:var(--accent-500);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}

/* ---------- 对比表 ---------- */
.cmp-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  background:var(--surface);
  box-shadow:var(--shadow-1);
  -webkit-overflow-scrolling:touch;
}
table.cmp{width:100%;min-width:660px;border-collapse:collapse;}
.cmp th,.cmp td{padding:15px 18px;font-size:15px;border-bottom:1px solid var(--line);}
.cmp thead th{
  background:var(--surface-2);
  color:var(--ink-900);
  font-weight:700;
  text-align:center;
  white-space:nowrap;
}
.cmp thead th:first-child{text-align:left;}
.cmp thead th.reco{background:var(--brand-100);color:var(--brand-700);position:relative;}
.cmp thead th.reco::before{
  content:"推荐";
  position:absolute;top:-1px;right:10px;
  height:22px;padding:0 10px;
  display:inline-flex;align-items:center;
  border-radius:0 0 8px 8px;
  background:var(--accent-500);
  color:#fff;
  font-size:12px;
  font-weight:600;
}
.cmp tbody th{
  width:22%;
  text-align:left;
  font-weight:600;
  color:var(--ink-900);
  background:var(--surface);
}
.cmp tbody td{
  text-align:center;
  color:var(--ink-600);
  font-variant-numeric:tabular-nums;
}
.cmp tbody tr:nth-child(even) td{background:var(--surface-2);}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0;}
.cmp td b{color:var(--accent-500);font-weight:700;}
.cmp-ico{width:18px;height:18px;display:inline-block;vertical-align:-4px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:.85fr 1.4fr;gap:52px;align-items:start;}
.faq-side{position:sticky;top:104px;}
.faq-side p{color:var(--ink-600);margin-top:14px;}
.faq-side .contact-card{
  margin-top:24px;
  padding:22px;
  border-radius:var(--radius-m);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.faq-side .contact-card h3{font-size:16px;margin-bottom:8px;}
.faq-side .contact-card p{font-size:14.5px;margin-bottom:16px;}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.accordion-item:last-child{border-bottom:0;}
.accordion-button{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 4px;
  background:transparent;
  border:0;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  text-align:left;
  box-shadow:none;
  border-radius:12px;
}
.accordion-button:not(.collapsed){
  background:var(--surface-2);
  color:var(--brand-700);
  padding:20px 16px;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent-500);outline-offset:2px;}
.accordion-button::after{display:none;}
.plus{
  position:relative;
  width:18px;height:18px;flex:0 0 18px;
  margin-left:auto;
  transition:transform .3s ease;
}
.plus::before,.plus::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:2px;
}
.plus::before{left:0;right:0;top:8px;height:2px;}
.plus::after{top:0;bottom:0;left:8px;width:2px;transition:opacity .25s ease;}
.accordion-button:not(.collapsed) .plus{transform:rotate(45deg);}
.accordion-button:not(.collapsed) .plus::after{opacity:0;}
.accordion-body{padding:4px 16px 22px;color:var(--ink-600);font-size:15.5px;}

/* ---------- 底部 CTA 条 ---------- */
.cta-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  padding:40px 44px;
  border-radius:var(--radius-l);
  background:var(--brand-100);
  border:1px solid rgba(30,122,87,.16);
}
.cta-bar h2{font-size:clamp(22px,2.4vw,30px);}
.cta-bar p{color:var(--ink-600);margin-top:10px;max-width:620px;font-size:15.5px;}
.cta-bar .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 24px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.5fr;gap:40px 32px;}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:16.5px;margin-bottom:16px;}
.footer-col p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-list a:hover{color:var(--lime-400);}
.sub-form{display:flex;gap:8px;margin-top:16px;}
.sub-form input{
  flex:1;
  min-width:0;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.50);}
.sub-form input:focus{outline:none;border-color:var(--lime-400);box-shadow:0 0 0 3px rgba(183,224,74,.18);}
.sub-form button{
  height:44px;
  padding:0 20px;
  border:0;
  border-radius:10px;
  background:var(--accent-500);
  color:#fff;
  font-weight:600;
  transition:background .25s ease;
}
.sub-form button:hover{background:var(--accent-600);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.60);
}
.socials{display:flex;gap:10px;}
.socials a{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:9px;
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.80);
  transition:background .25s ease,color .25s ease;
}
.socials a:hover{background:rgba(183,224,74,.20);color:var(--lime-400);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:36px 28px;}
  .footer-col--sub{grid-column:1 / -1;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{
    display:grid;
    width:38px;height:38px;
    place-items:center;
    border-radius:10px;
    border:1px solid rgba(255,255,255,.28);
    background:rgba(255,255,255,.10);
    color:#fff;
    font-size:19px;
  }
  .nav-toggle:hover{background:rgba(255,255,255,.22);}
  .gear-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .points{grid-template-columns:repeat(2,1fr);}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .page-hero{min-height:320px;padding:112px 0 40px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .site-header{height:60px;}
  .nav-inner{height:60px;gap:12px;}
  .brand{font-size:15.5px;}
  .logo-mark{width:28px;height:28px;flex:0 0 28px;font-size:13px;}
  .nav-actions .btn-sm{display:none;}
  .gear-grid{grid-template-columns:1fr;}
  .points{grid-template-columns:1fr;}
  .page-hero{padding:96px 0 36px;min-height:300px;}
  .page-hero h1{font-size:clamp(24px,6.6vw,32px);}
  .hero-stats{gap:12px 28px;}
  .hero-stats .stat b{font-size:20px;}
  .cta-bar{padding:28px 22px;}
  .cta-bar .cta-actions{width:100%;}
  .cta-bar .cta-actions .btn{flex:1 1 100%;}
  .cmp tbody th{position:sticky;left:0;z-index:2;background:var(--surface);box-shadow:1px 0 0 var(--line);}
  .section-head{margin-bottom:26px;}
}
@media (max-width:575px){
  :root{--gutter:20px;}
  .card-body{padding:20px;}
  .point{padding:24px 20px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .sub-form{flex-direction:column;}
  .sub-form button{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}