/* roulang page: index */
:root{
  --hh-bg:#05080F;
  --hh-bg-2:#0A1020;
  --hh-bg-3:#070C16;
  --hh-primary:#1BE0B0;
  --hh-primary-deep:#0FB48C;
  --hh-accent:#FF6A2B;
  --hh-blue:#2E6BFF;
  --hh-glass:rgba(255,255,255,.055);
  --hh-glass-up:rgba(255,255,255,.1);
  --hh-line:rgba(255,255,255,.12);
  --hh-text:#EAF2FF;
  --hh-text-2:#9FB0C8;
  --hh-text-3:#6B7C93;
  --hh-ok:#22C55E;
  --hh-warn:#F5B301;
  --hh-err:#FF5A5A;
  --hh-r-lg:20px;
  --hh-r-md:16px;
  --hh-r-sm:12px;
  --hh-shadow:0 18px 48px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --hh-shadow-hover:0 24px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.1);
  --hh-glow:0 0 0 1px rgba(27,224,176,.45), 0 10px 30px rgba(27,224,176,.28);
  --hh-sec:110px;
  --hh-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--hh-font);
  font-size:16px;line-height:1.85;
  color:var(--hh-text-2);
  background-color:var(--hh-bg);
  background-image:
    radial-gradient(900px 520px at 12% -6%, rgba(46,107,255,.18), transparent 62%),
    radial-gradient(760px 460px at 96% 4%, rgba(27,224,176,.12), transparent 64%),
    radial-gradient(700px 500px at 50% 108%, rgba(46,107,255,.1), transparent 70%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--hh-text);text-decoration:none;transition:color .18s cubic-bezier(.2,.7,.3,1);}
a:hover{color:var(--hh-primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--hh-text);font-weight:700;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
::selection{background:rgba(27,224,176,.32);color:#fff;}
:focus-visible{outline:2px solid var(--hh-primary);outline-offset:2px;}
.hh-skip{position:absolute;left:-9999px;top:0;z-index:999;padding:10px 18px;background:var(--hh-primary);color:#05080F;border-radius:0 0 12px 0;font-weight:700;}
.hh-skip:focus{left:0;}
.container{width:100%;padding-right:16px;padding-left:16px;margin-right:auto;margin-left:auto;}
.row{--bs-gutter-x:24px;--bs-gutter-y:24px;}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (min-width:1440px){.container{max-width:1280px;}}
.hh-num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.04em;}

/* ============ 按钮 ============ */
.hh-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:700;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s cubic-bezier(.2,.7,.3,1),background-color .18s,border-color .18s,color .18s;
}
.hh-btn-primary{
  background:linear-gradient(135deg,#1BE0B0 0%,#37F0C4 48%,#12C79C 100%);
  color:#05080F;
  box-shadow:var(--hh-glow);
}
.hh-btn-primary:hover{transform:translateY(-2px);color:#05080F;box-shadow:0 0 0 1px rgba(27,224,176,.6),0 14px 38px rgba(27,224,176,.38);}
.hh-btn-primary:active{transform:translateY(0);}
.hh-btn-ghost{
  background:var(--hh-glass);color:var(--hh-text);border-color:rgba(27,224,176,.5);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
}
.hh-btn-ghost:hover{background:var(--hh-glass-up);color:var(--hh-text);transform:translateY(-2px);border-color:var(--hh-primary);}
.hh-btn-sm{height:40px;padding:0 20px;font-size:14px;}
.hh-btn-block{width:100%;}
.hh-btn[disabled],.hh-btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}
.hh-link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--hh-primary);
}
.hh-link-more svg{transition:transform .18s cubic-bezier(.2,.7,.3,1);}
.hh-link-more:hover svg{transform:translateX(4px);}

/* ============ 徽章 / 标签 ============ */
.hh-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;line-height:1.5;font-weight:600;
  background:var(--hh-glass);border:1px solid var(--hh-line);color:var(--hh-text-2);
  backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);
}
.hh-badge-primary{border-color:rgba(27,224,176,.45);color:var(--hh-primary);background:rgba(27,224,176,.1);}
.hh-badge-accent{border-color:rgba(255,106,43,.5);color:#FFB48A;background:rgba(255,106,43,.12);}
.hh-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--hh-primary);box-shadow:0 0 10px rgba(27,224,176,.9);}
.hh-badge-accent .hh-badge-dot{background:var(--hh-accent);box-shadow:0 0 10px rgba(255,106,43,.9);}

/* ============ 导航 ============ */
.hh-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.055);
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 10px 34px rgba(0,0,0,.35);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.hh-header.is-solid{
  background:rgba(7,12,22,.96);
  border-bottom-color:rgba(255,255,255,.14);
  box-shadow:0 14px 40px rgba(0,0,0,.55);
}
.hh-nav-wrap{display:flex;align-items:center;gap:18px;height:72px;}
.hh-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.hh-logo-mark{width:30px;height:30px;flex-shrink:0;}
.hh-logo-text{font-size:18px;font-weight:800;color:var(--hh-text);letter-spacing:.01em;white-space:nowrap;}
.hh-logo:hover .hh-logo-text{color:var(--hh-primary);}
.hh-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.hh-nav a{
  position:relative;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--hh-text-2);
  transition:color .18s,background-color .18s;
}
.hh-nav a:hover{color:var(--hh-text);background:rgba(255,255,255,.06);}
.hh-nav a.is-active{color:var(--hh-primary);font-weight:700;}
.hh-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--hh-primary),rgba(27,224,176,0));
  box-shadow:0 0 10px rgba(27,224,176,.7);
}
.hh-nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.hh-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--hh-glass);border:1px solid var(--hh-line);color:var(--hh-text-2);cursor:pointer;
  transition:color .18s,background-color .18s,border-color .18s,transform .18s;
}
.hh-icon-btn:hover{color:var(--hh-primary);border-color:rgba(27,224,176,.5);background:var(--hh-glass-up);transform:translateY(-1px);}
.hh-burger{display:none;}
.hh-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;max-width:84vw;z-index:1200;
  background:rgba(10,16,32,.97);
  border-left:1px solid var(--hh-line);
  box-shadow:-20px 0 60px rgba(0,0,0,.6);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  transform:translateX(102%);transition:transform .26s cubic-bezier(.2,.7,.3,1);
  padding:22px 20px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.hh-drawer.is-open{transform:translateX(0);}
.hh-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.hh-drawer a.hh-drawer-link{
  display:block;font-size:18px;line-height:56px;color:var(--hh-text-2);border-bottom:1px solid rgba(255,255,255,.07);
}
.hh-drawer a.hh-drawer-link.is-active{color:var(--hh-primary);font-weight:700;}
.hh-drawer-foot{margin-top:auto;padding-top:20px;}
.hh-scrim{
  position:fixed;inset:0;background:rgba(3,6,12,.6);z-index:1100;opacity:0;pointer-events:none;transition:opacity .24s;
  backdrop-filter:blur(2px);
}
.hh-scrim.is-open{opacity:1;pointer-events:auto;}

/* ============ Hero ============ */
.hh-hero{position:relative;padding:140px 0 64px;overflow:hidden;}
.hh-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.34;
}
.hh-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#05080F 6%,rgba(5,8,15,.86) 42%,rgba(5,8,15,.55) 78%,rgba(5,8,15,.9) 100%);
}
.hh-hero .container{position:relative;z-index:2;}
.hh-h1{
  font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 16px;max-width:16em;
}
.hh-h1 em{font-style:normal;color:var(--hh-primary);}
.hh-lead{font-size:17px;line-height:1.7;color:var(--hh-text-2);max-width:30em;margin-bottom:28px;}
.hh-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hh-stats{display:flex;flex-wrap:wrap;gap:14px 34px;}
.hh-stats li{display:flex;flex-direction:column;gap:2px;}
.hh-stats .hh-stat-v{font-size:24px;line-height:1.2;color:var(--hh-text);font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.04em;}
.hh-stats .hh-stat-v span{font-size:13px;color:var(--hh-text-3);font-weight:600;margin-left:3px;letter-spacing:0;}
.hh-stats .hh-stat-k{font-size:13px;color:var(--hh-text-3);}

.hh-glass{
  background:var(--hh-glass);
  border:1px solid var(--hh-line);
  border-radius:var(--hh-r-lg);
  box-shadow:var(--hh-shadow);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
}
.hh-hero-card{padding:16px;position:relative;overflow:hidden;}
.hh-hero-card::before{
  content:"";position:absolute;top:-40%;left:-20%;width:70%;height:120%;
  background:radial-gradient(circle at 30% 30%,rgba(46,107,255,.35),transparent 65%);
  pointer-events:none;
}
.hh-hero-card figure{margin:0;border-radius:var(--hh-r-md);overflow:hidden;position:relative;}
.hh-hero-card figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--hh-r-md);}
.hh-hero-card .hh-card-tagline{
  position:absolute;left:12px;bottom:12px;
  padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:700;color:#05080F;
  background:linear-gradient(135deg,#1BE0B0,#37F0C4);
  box-shadow:0 8px 24px rgba(27,224,176,.35);
}
.hh-hero-list{margin-top:16px;display:flex;flex-direction:column;gap:2px;position:relative;}
.hh-hero-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 4px;border-bottom:1px dashed rgba(255,255,255,.1);font-size:14px;color:var(--hh-text-2);
}
.hh-hero-list li:last-child{border-bottom:0;}
.hh-hero-list b{color:var(--hh-text);font-weight:600;}
.hh-hero-list .val{font-variant-numeric:tabular-nums;font-weight:800;color:var(--hh-primary);letter-spacing:.04em;}

/* ============ 倒计时条 ============ */
.hh-countbar-wrap{position:relative;z-index:5;margin-top:-34px;}
.hh-countbar{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  padding:16px 22px;border-radius:999px;
  background:rgba(10,16,32,.82);
  border:1px solid var(--hh-line);
  box-shadow:0 20px 52px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
}
.hh-count-left{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.hh-count-clock{display:flex;align-items:center;gap:6px;margin-left:auto;}
.hh-cd-unit{
  min-width:62px;padding:6px 4px;text-align:center;border-radius:var(--hh-r-sm);
  background:rgba(255,106,43,.09);border:1px solid rgba(255,106,43,.28);
}
.hh-cd-unit .n{display:block;font-size:22px;line-height:1.2;color:#FFC7A6;font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.04em;}
.hh-cd-unit .l{display:block;font-size:11.5px;color:var(--hh-text-3);}
.hh-cd-colon{color:var(--hh-accent);font-weight:800;font-size:20px;text-shadow:0 0 12px rgba(255,106,43,.9);margin-top:-14px;}
.hh-countbar.is-over .hh-cd-unit{background:rgba(255,255,255,.05);border-color:var(--hh-line);}
.hh-countbar.is-over .hh-cd-unit .n{color:var(--hh-text-3);}

/* ============ 区块通用 ============ */
.hh-section{padding:var(--hh-sec) 0;}
.hh-section-tight{padding:76px 0;}
.hh-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
.hh-sec-title{position:relative;font-size:clamp(23px,3.4vw,34px);line-height:1.25;font-weight:700;padding-left:18px;}
.hh-sec-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--hh-primary),rgba(27,224,176,.15));
  box-shadow:0 0 14px rgba(27,224,176,.55);
}
.hh-sec-sub{margin-top:10px;font-size:15px;color:var(--hh-text-3);max-width:44em;}
.hh-divider{height:1px;border:0;background:linear-gradient(90deg,rgba(46,107,255,.55),rgba(27,224,176,.28) 38%,rgba(255,255,255,0) 100%);margin:0;}

/* ============ 卖点 ============ */
.hh-points{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.hh-point{
  position:relative;padding:26px 24px 24px;border-radius:var(--hh-r-lg);
  background:var(--hh-glass);border:1px solid var(--hh-line);
  box-shadow:var(--hh-shadow);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),box-shadow .18s,border-color .18s;
}
.hh-point:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.3);box-shadow:var(--hh-shadow-hover);}
.hh-point .num{
  position:absolute;top:18px;right:22px;font-size:40px;line-height:1;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1px rgba(27,224,176,.4);
}
.hh-point .ico{
  width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(27,224,176,.12);border:1px solid rgba(27,224,176,.32);color:var(--hh-primary);margin-bottom:16px;
}
.hh-point h3{font-size:19px;line-height:1.4;font-weight:600;margin-bottom:8px;}
.hh-point p{font-size:14.5px;line-height:1.8;color:var(--hh-text-2);margin:0;}
.hh-point-wide{grid-column:1 / -1;padding-right:min(340px,40%);}
.hh-point-wide .hh-point-side{
  position:absolute;right:26px;top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:6px;text-align:right;
}
.hh-point-wide .hh-point-side b{font-size:32px;line-height:1.1;font-variant-numeric:tabular-nums;font-weight:800;color:var(--hh-primary);letter-spacing:.04em;}
.hh-point-wide .hh-point-side span{font-size:13px;color:var(--hh-text-3);}

/* ============ 图墙 ============ */
.hh-wall{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:190px 190px;gap:16px;}
.hh-wall-item{
  position:relative;border-radius:var(--hh-r-lg);overflow:hidden;border:1px solid var(--hh-line);
  background:linear-gradient(140deg,#0A1020,#131C33);
}
.hh-wall-item:first-child{grid-column:span 2;grid-row:span 2;}
.hh-wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.hh-wall-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 18px 16px;
  font-size:14px;font-weight:600;color:#fff;
  background:linear-gradient(180deg,rgba(5,8,15,0),rgba(5,8,15,.88));
  transform:translateY(6px);opacity:.92;transition:transform .3s,opacity .3s;
}
.hh-wall-item:first-child figcaption{font-size:17px;padding:48px 24px 22px;}
.hh-wall-item:hover img{transform:scale(1.04);}
.hh-wall-item:hover figcaption{transform:translateY(0);opacity:1;}

/* ============ 报名 CTA ============ */
.hh-cta{
  position:relative;border-radius:24px;overflow:hidden;
  background:
    radial-gradient(700px 380px at 8% 0%,rgba(46,107,255,.28),transparent 62%),
    radial-gradient(620px 400px at 96% 100%,rgba(27,224,176,.16),transparent 62%),
    linear-gradient(160deg,#0A1020,#070C16);
  border:1px solid var(--hh-line);
  box-shadow:var(--hh-shadow);
  padding:44px;
}
.hh-cta h2{font-size:clamp(22px,3vw,30px);line-height:1.3;margin-bottom:14px;}
.hh-cta-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.hh-cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--hh-text-2);}
.hh-cta-list svg{flex-shrink:0;margin-top:4px;color:var(--hh-primary);}
.hh-form{
  padding:26px;border-radius:var(--hh-r-lg);
  background:rgba(255,255,255,.05);border:1px solid var(--hh-line);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
}
.hh-field{margin-bottom:16px;}
.hh-field label{display:block;font-size:14px;font-weight:600;color:var(--hh-text);margin-bottom:7px;}
.hh-field .req{color:var(--hh-accent);margin-left:3px;}
.hh-input{
  width:100%;height:48px;padding:0 15px;border-radius:var(--hh-r-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--hh-line);color:var(--hh-text);
  font-size:15px;transition:border-color .18s,box-shadow .18s,background-color .18s;
  appearance:none;-webkit-appearance:none;
}
textarea.hh-input{height:auto;padding:12px 15px;line-height:1.7;resize:vertical;min-height:96px;}
.hh-input::placeholder{color:var(--hh-text-3);}
.hh-input:focus{
  outline:none;border-color:var(--hh-primary);background:rgba(27,224,176,.06);
  box-shadow:0 0 0 3px rgba(27,224,176,.16);
}
select.hh-input{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7C93' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;padding-right:40px;
}
select.hh-input option{background:#0A1020;color:var(--hh-text);}
.hh-field.is-error .hh-input{border-color:rgba(255,90,90,.75);box-shadow:0 0 0 3px rgba(255,90,90,.14);}
.hh-err{display:none;font-size:13px;color:#FF8A8A;margin-top:6px;}
.hh-field.is-error .hh-err{display:block;}
.hh-form-note{font-size:12.5px;color:var(--hh-text-3);margin-top:14px;line-height:1.7;}
.hh-form-ok{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--hh-r-sm);
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.42);
  color:#9FE7B8;font-size:14px;
}
.hh-form-ok.is-show{display:block;}

/* ============ FAQ ============ */
.hh-faq .accordion-item{
  background:var(--hh-glass);border:1px solid var(--hh-line);border-radius:var(--hh-r-md) !important;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s,background-color .2s;
}
.hh-faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(27,224,176,.34);background:rgba(27,224,176,.05);}
.hh-faq .accordion-button{
  position:relative;width:100%;padding:19px 54px 19px 22px;
  background:transparent;border:0;box-shadow:none;color:var(--hh-text);
  font-size:16.5px;font-weight:600;line-height:1.5;text-align:left;
  transition:color .18s,background-color .18s;
}
.hh-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--hh-primary);opacity:0;transition:opacity .2s;box-shadow:0 0 12px rgba(27,224,176,.7);
}
.hh-faq .accordion-button:not(.collapsed){color:var(--hh-primary);}
.hh-faq .accordion-button:not(.collapsed)::before{opacity:1;}
.hh-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--hh-primary);outline-offset:-2px;}
.hh-faq .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;width:12px;height:12px;
  margin:0;transform:translateY(-70%) rotate(45deg);
  border-right:2px solid var(--hh-text-3);border-bottom:2px solid var(--hh-text-3);
  background-image:none;transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .2s;
}
.hh-faq .accordion-button:not(.collapsed)::after{
  transform:translateY(-30%) rotate(-135deg);border-color:var(--hh-primary);
}
.hh-faq .accordion-body{padding:0 22px 22px 22px;font-size:15px;line-height:1.9;color:var(--hh-text-2);border-top:1px solid rgba(255,255,255,.06);padding-top:16px;}

/* ============ 最新信息 ============ */
.hh-news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start;}
.hh-feature{
  display:block;border-radius:var(--hh-r-lg);overflow:hidden;position:relative;
  background:var(--hh-glass);border:1px solid var(--hh-line);box-shadow:var(--hh-shadow);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),border-color .18s,box-shadow .18s;
}
.hh-feature:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.3);box-shadow:var(--hh-shadow-hover);}
.hh-feature .thumb{position:relative;overflow:hidden;background:linear-gradient(140deg,#0A1020,#131C33);}
.hh-feature .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.hh-feature:hover .thumb img{transform:scale(1.04);}
.hh-feature .body{padding:22px 24px 26px;}
.hh-feature h3{font-size:21px;line-height:1.45;font-weight:600;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hh-feature p{font-size:14.5px;line-height:1.85;color:var(--hh-text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 16px;}
.hh-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--hh-text-3);flex-wrap:wrap;}
.hh-meta time{font-variant-numeric:tabular-nums;}
.hh-news-list{display:flex;flex-direction:column;gap:12px;}
.hh-news-item{
  display:flex;gap:14px;padding:14px;border-radius:var(--hh-r-md);
  background:var(--hh-glass);border:1px solid var(--hh-line);
  transition:transform .18s cubic-bezier(.2,.7,.3,1),border-color .18s,box-shadow .18s,background-color .18s;
}
.hh-news-item:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.3);background:rgba(255,255,255,.075);box-shadow:var(--hh-shadow-hover);}
.hh-news-item .thumb{flex:0 0 40%;max-width:170px;border-radius:var(--hh-r-sm);overflow:hidden;background:linear-gradient(140deg,#0A1020,#131C33);}
.hh-news-item .thumb img{width:100%;height:100%;min-height:92px;object-fit:cover;aspect-ratio:16/10;}
.hh-news-item .txt{flex:1;min-width:0;display:flex;flex-direction:column;gap:7px;}
.hh-news-item h3{font-size:16px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hh-news-item p{font-size:13px;line-height:1.7;color:var(--hh-text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.hh-news-item .hh-meta{font-size:12.5px;margin-top:auto;}

/* 空态 */
.hh-empty{
  text-align:center;padding:52px 24px;border-radius:var(--hh-r-lg);
  background:var(--hh-glass);border:1px dashed var(--hh-line);
}
.hh-empty svg{color:var(--hh-text-3);margin-bottom:16px;}
.hh-empty p{font-size:14px;color:var(--hh-text-3);margin-bottom:18px;}

/* ============ 数据卡 ============ */
.hh-datacards{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--hh-line);border-bottom:1px solid var(--hh-line);}
.hh-datacard{padding:30px 26px;border-right:1px solid rgba(255,255,255,.08);}
.hh-datacard:last-child{border-right:0;}
.hh-datacard .v{font-size:clamp(26px,3vw,36px);line-height:1.1;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--hh-text);}
.hh-datacard .v small{font-size:14px;color:var(--hh-primary);margin-left:4px;font-weight:700;}
.hh-datacard .k{margin-top:10px;font-size:14px;color:var(--hh-text-2);}
.hh-datacard .d{margin-top:4px;font-size:13px;color:var(--hh-text-3);line-height:1.7;}

/* ============ 页脚 ============ */
.hh-footer{
  position:relative;background:var(--hh-bg);padding:70px 0 26px;margin-top:20px;
  border-top:1px solid transparent;
}
.hh-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(46,107,255,.7),rgba(27,224,176,.35) 42%,rgba(255,255,255,0) 100%);
}
.hh-footer h4{font-size:15px;font-weight:700;color:var(--hh-text);margin-bottom:16px;}
.hh-footer .hh-f-brand p{font-size:14px;line-height:1.85;color:var(--hh-text-3);margin:16px 0 18px;max-width:32em;}
.hh-f-links{display:flex;flex-direction:column;gap:11px;}
.hh-f-links a{font-size:14px;color:var(--hh-text-2);}
.hh-f-links a:hover{color:var(--hh-primary);}
.hh-f-contact li{font-size:14px;color:var(--hh-text-2);margin-bottom:11px;display:flex;gap:8px;align-items:flex-start;}
.hh-f-contact li span{color:var(--hh-text-3);flex-shrink:0;}
.hh-social{display:flex;gap:10px;margin-top:18px;}
.hh-social a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--hh-glass);border:1px solid var(--hh-line);color:var(--hh-text-3);
  transition:color .18s,border-color .18s,transform .18s,background-color .18s;
}
.hh-social a:hover{color:var(--hh-primary);border-color:rgba(27,224,176,.5);background:var(--hh-glass-up);transform:translateY(-2px);}
.hh-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--hh-text-3);
}
.hh-footer-bottom a{color:var(--hh-text-3);}
.hh-footer-bottom a:hover{color:var(--hh-primary);}
.hh-legal{display:flex;gap:18px;flex-wrap:wrap;}

/* ============ 动效 ============ */
.hh-reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1);}
.hh-reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--hh-sec:88px;}
  .hh-datacards{grid-template-columns:repeat(2,1fr);}
  .hh-datacard:nth-child(2){border-right:0;}
  .hh-datacard:nth-child(1),.hh-datacard:nth-child(2){border-bottom:1px solid rgba(255,255,255,.08);}
  .hh-news-grid{grid-template-columns:1fr;}
}
@media (max-width:991.98px){
  .hh-nav{display:none;}
  .hh-burger{display:inline-flex;}
  .hh-nav-right .hh-btn{display:none;}
  .hh-hero{padding:120px 0 56px;}
  .hh-points{grid-template-columns:1fr;}
  .hh-point-wide{padding-right:24px;}
  .hh-point-wide .hh-point-side{position:static;transform:none;flex-direction:row;gap:16px;text-align:left;margin-top:16px;}
  .hh-wall{grid-template-columns:repeat(2,1fr);grid-template-rows:200px 150px 150px;}
  .hh-wall-item:first-child{grid-column:span 2;grid-row:span 1;}
  .hh-wall-item:nth-child(4),.hh-wall-item:nth-child(5){display:none;}
  .hh-countbar{border-radius:var(--hh-r-lg);}
  .hh-count-clock{margin-left:0;width:100%;justify-content:space-between;}
  .hh-cta{padding:30px 22px;}
}
@media (max-width:767.98px){
  :root{--hh-sec:64px;}
  .hh-section-tight{padding:60px 0;}
  .hh-hero{padding:104px 0 48px;}
  .hh-nav-wrap{height:60px;}
  .hh-logo-text{font-size:16px;}
  .hh-stats{gap:12px 24px;}
  .hh-stats .hh-stat-v{font-size:20px;}
  .hh-cd-unit{min-width:52px;}
  .hh-cd-unit .n{font-size:18px;}
  .hh-btn{height:44px;padding:0 22px;font-size:14.5px;}
  .hh-wall{grid-template-rows:180px 140px 140px;gap:12px;}
  .hh-datacards{grid-template-columns:1fr;}
  .hh-datacard{border-right:0;border-bottom:1px solid rgba(255,255,255,.08);padding:22px 4px;}
  .hh-datacard:last-child{border-bottom:0;}
  .hh-news-item .thumb{max-width:120px;flex:0 0 36%;}
  .hh-cta{padding:24px 18px;}
  .hh-form{padding:20px;}
  .hh-footer{padding:52px 0 22px;}
  .hh-sec-head{margin-bottom:26px;}
}
@media (max-width:575.98px){
  .hh-news-item{flex-direction:column;}
  .hh-news-item .thumb{max-width:none;flex:none;}
  .hh-news-item .thumb img{aspect-ratio:16/9;min-height:0;}
  .hh-wall{grid-template-columns:1fr;grid-template-rows:auto;}
  .hh-wall-item{height:190px;}
  .hh-wall-item:first-child{grid-column:span 1;height:220px;}
  .hh-wall-item:nth-child(4),.hh-wall-item:nth-child(5){display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .hh-reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --hh-bg:#05080F;
  --hh-bg-2:#0A1020;
  --hh-bg-3:#070C16;
  --hh-primary:#1BE0B0;
  --hh-primary-dark:#0BC79A;
  --hh-accent:#FF6A2B;
  --hh-blue:#2E6BFF;
  --hh-glass:rgba(255,255,255,.055);
  --hh-glass-strong:rgba(255,255,255,.1);
  --hh-line:rgba(255,255,255,.12);
  --hh-line-soft:rgba(255,255,255,.07);
  --hh-t1:#EAF2FF;
  --hh-t2:#9FB0C8;
  --hh-t3:#6B7C93;
  --hh-ok:#22C55E;
  --hh-warn:#F5B301;
  --hh-err:#FF5A5A;
  --hh-r-xl:20px;
  --hh-r-lg:16px;
  --hh-r-md:14px;
  --hh-r-sm:12px;
  --hh-shadow:0 18px 48px rgba(0,0,0,.45);
  --hh-shadow-hover:0 24px 60px rgba(0,0,0,.55);
  --hh-glow:0 0 0 1px rgba(27,224,176,.45),0 10px 30px rgba(27,224,176,.28);
  --hh-ease:cubic-bezier(.2,.7,.3,1);
  --hh-sec:96px;
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--hh-t2);
  background-color:var(--hh-bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(46,107,255,.20), transparent 62%),
    radial-gradient(760px 480px at 92% 6%, rgba(27,224,176,.14), transparent 64%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--hh-ease),background-color .18s var(--hh-ease),border-color .18s var(--hh-ease),transform .18s var(--hh-ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--hh-t1);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--hh-primary);outline-offset:2px;border-radius:6px}
.hh-num{font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:.04em}
.container{padding-left:20px;padding-right:20px}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1440px){.container{max-width:1280px}}
.hh-skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--hh-primary);color:#05080F;font-weight:700;padding:10px 18px;border-radius:0 0 12px 0}
.hh-skip:focus{left:0}
.hh-divider{height:1px;border:0;background:linear-gradient(90deg,rgba(46,107,255,.55),rgba(46,107,255,0));margin:56px 0}

/* ============ 导航 ============ */
.hh-header{
  position:fixed;inset:0 0 auto 0;z-index:90;
  background:rgba(255,255,255,.055);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:background-color .2s var(--hh-ease),border-color .2s var(--hh-ease),box-shadow .2s var(--hh-ease);
}
.hh-header.is-solid{background:rgba(7,12,22,.96);border-bottom-color:var(--hh-line);box-shadow:0 14px 36px rgba(0,0,0,.55)}
.hh-nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.hh-logo{display:inline-flex;align-items:center;gap:10px;color:var(--hh-t1);font-size:17px;font-weight:800;white-space:nowrap;letter-spacing:.01em}
.hh-logo:hover{color:#fff}
.hh-logo-mark{width:30px;height:30px;flex:0 0 30px}
.hh-logo-text{line-height:1}
.hh-nav{display:none;align-items:center;gap:4px}
.hh-nav a{position:relative;display:inline-block;padding:9px 14px;border-radius:999px;font-size:15px;color:var(--hh-t2)}
.hh-nav a:hover{color:var(--hh-t1);background:rgba(255,255,255,.06)}
.hh-nav a.is-active{color:var(--hh-t1);font-weight:600}
.hh-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--hh-primary),rgba(27,224,176,0))}
.hh-nav-actions{display:flex;align-items:center;gap:10px}
.hh-icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--hh-line);background:var(--hh-glass);color:var(--hh-t2);cursor:pointer;transition:.18s var(--hh-ease)}
.hh-icon-btn:hover{color:var(--hh-t1);border-color:rgba(27,224,176,.45);background:var(--hh-glass-strong);transform:translateY(-2px)}
.hh-burger{width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--hh-line);background:var(--hh-glass);cursor:pointer}
.hh-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--hh-t1);position:relative;transition:.2s var(--hh-ease)}
.hh-burger span::before,.hh-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--hh-t1)}
.hh-burger span::before{top:-6px}
.hh-burger span::after{top:6px}
.hh-nav-cta{display:none}
@media (min-width:992px){
  .hh-nav{display:flex}
  .hh-burger{display:none}
  .hh-nav-cta{display:inline-flex}
}
.hh-drawer{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:86vw;z-index:120;padding:24px 22px;display:flex;flex-direction:column;gap:4px;
  background:rgba(10,16,32,.94);border-left:1px solid var(--hh-line);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  transform:translateX(102%);transition:transform .3s var(--hh-ease)}
.hh-drawer.is-open{transform:translateX(0)}
.hh-drawer-title{font-size:13px;color:var(--hh-t3);letter-spacing:.16em;margin:6px 0 12px}
.hh-drawer a.hh-drawer-link{display:flex;align-items:center;height:56px;font-size:18px;color:var(--hh-t1);border-bottom:1px solid var(--hh-line-soft)}
.hh-drawer a.hh-drawer-link.is-active{color:var(--hh-primary)}
.hh-drawer .hh-btn{margin-top:auto}
.hh-overlay{position:fixed;inset:0;background:rgba(3,5,10,.6);z-index:110;opacity:0;visibility:hidden;transition:.28s var(--hh-ease)}
.hh-overlay.is-open{opacity:1;visibility:visible}

/* ============ 按钮 / 徽章 ============ */
.hh-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:.18s var(--hh-ease)}
.hh-btn-primary{background:linear-gradient(135deg,#1BE0B0,#0BC79A);color:#05080F;box-shadow:var(--hh-glow)}
.hh-btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(27,224,176,.6),0 14px 36px rgba(27,224,176,.36);color:#05080F}
.hh-btn-primary:active{transform:translateY(0)}
.hh-btn-ghost{background:transparent;border-color:rgba(27,224,176,.55);color:var(--hh-t1)}
.hh-btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.hh-btn-sm{height:40px;padding:0 20px;font-size:14px}
.hh-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--hh-t2)}
.hh-more svg{transition:transform .18s var(--hh-ease)}
.hh-more:hover{color:var(--hh-primary)}
.hh-more:hover svg{transform:translateX(4px)}
.hh-badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:12.5px;line-height:1;border:1px solid var(--hh-line);background:var(--hh-glass);color:var(--hh-t2);white-space:nowrap}
.hh-badge-primary{color:var(--hh-primary);border-color:rgba(27,224,176,.42);background:rgba(27,224,176,.09)}
.hh-badge-accent{color:var(--hh-accent);border-color:rgba(255,106,43,.42);background:rgba(255,106,43,.09)}

/* ============ 文章头部 ============ */
.hh-article-hero{
  position:relative;padding:130px 0 58px;
  background-image:linear-gradient(180deg,rgba(5,8,15,.74),rgba(5,8,15,.94)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(46,107,255,.18);
}
.hh-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--hh-t3)}
.hh-crumb a{color:var(--hh-t3)}
.hh-crumb a:hover{color:var(--hh-primary)}
.hh-crumb .sep{opacity:.5}
.hh-crumb .now{color:var(--hh-t1);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hh-article-title{font-size:clamp(28px,4.4vw,46px);line-height:1.18;font-weight:800;margin:16px 0 18px;max-width:900px}
.hh-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--hh-t3);align-items:center}
.hh-meta b{color:var(--hh-t2);font-weight:600}
.hh-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--hh-t3);opacity:.6}

/* ============ 主体 ============ */
.hh-main{padding:64px 0 96px}
.hh-cover{border-radius:var(--hh-r-xl);overflow:hidden;border:1px solid var(--hh-line);box-shadow:var(--hh-shadow);aspect-ratio:21/9;background:linear-gradient(135deg,#0A1020,#05080F);margin-bottom:44px}
.hh-cover img{width:100%;height:100%;object-fit:cover}
.hh-article-body{max-width:820px;font-size:17px;line-height:1.9;color:var(--hh-t2);overflow-wrap:break-word}
.hh-article-body p{margin:0 0 18px}
.hh-article-body h2{position:relative;font-size:clamp(21px,2.6vw,28px);line-height:1.35;font-weight:700;margin:44px 0 16px;padding-left:14px}
.hh-article-body h2::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;border-radius:3px;background:var(--hh-primary);box-shadow:0 0 12px rgba(27,224,176,.6)}
.hh-article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:32px 0 12px;color:var(--hh-t1)}
.hh-article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;color:var(--hh-t1)}
.hh-article-body ul,.hh-article-body ol{margin:0 0 18px}
.hh-article-body ul>li{position:relative;padding-left:22px;margin-bottom:10px}
.hh-article-body ul>li::before{content:"";position:absolute;left:4px;top:.75em;width:7px;height:7px;border-radius:2px;background:var(--hh-primary)}
.hh-article-body ol{counter-reset:hhcount}
.hh-article-body ol>li{position:relative;padding-left:26px;margin-bottom:10px;counter-increment:hhcount}
.hh-article-body ol>li::before{content:counter(hhcount);position:absolute;left:0;top:0;color:var(--hh-primary);font-weight:800;font-size:14px;line-height:1.9;font-variant-numeric:tabular-nums}
.hh-article-body blockquote{margin:26px 0;padding:18px 22px;background:var(--hh-glass);border-left:3px solid var(--hh-accent);border-radius:0 var(--hh-r-md) var(--hh-r-md) 0;color:var(--hh-t1);font-size:16.5px}
.hh-article-body blockquote p:last-child{margin-bottom:0}
.hh-article-body img{border-radius:var(--hh-r-lg);margin:24px auto}
.hh-article-body a{color:var(--hh-primary);text-decoration:underline;text-underline-offset:3px}
.hh-article-body strong,.hh-article-body b{color:var(--hh-t1)}
.hh-article-body hr{border:0;height:1px;background:linear-gradient(90deg,rgba(46,107,255,.55),rgba(46,107,255,0));margin:32px 0}
.hh-article-body code{background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;font-size:14px;color:#9BE9D3}
.hh-article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;border:1px solid var(--hh-line);border-radius:var(--hh-r-md);overflow:hidden}
.hh-article-body th{background:rgba(255,255,255,.06);color:var(--hh-t1);font-weight:600}
.hh-article-body th,.hh-article-body td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--hh-line-soft);vertical-align:top}
.hh-article-body tbody tr:nth-child(even) td{background:rgba(255,255,255,.025)}
.hh-article-body tbody tr:hover td{background:rgba(27,224,176,.07)}
.hh-article-body tbody tr:last-child td{border-bottom:0}

.hh-empty{max-width:820px;padding:44px 32px;border-radius:var(--hh-r-xl);border:1px solid var(--hh-line);background:var(--hh-glass);box-shadow:var(--hh-shadow);text-align:center;backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%)}
.hh-empty svg{width:48px;height:48px;color:var(--hh-primary);margin-bottom:16px}
.hh-empty h2{font-size:22px;margin-bottom:10px}
.hh-empty p{font-size:15px;color:var(--hh-t2);margin-bottom:22px}

/* ============ 侧栏 ============ */
.hh-aside{display:none}
@media (min-width:1200px){.hh-aside{display:block}}
.hh-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.hh-card{border:1px solid var(--hh-line);border-radius:var(--hh-r-lg);background:var(--hh-glass);box-shadow:var(--hh-shadow);padding:20px;backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%)}
.hh-card h3{font-size:16px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hh-card h3::before{content:"";width:3px;height:14px;border-radius:3px;background:var(--hh-primary);display:inline-block}
.hh-toc a{display:block;font-size:14px;line-height:1.6;color:var(--hh-t3);padding:7px 10px;border-radius:10px;border-left:2px solid transparent;margin-bottom:2px}
.hh-toc a:hover{color:var(--hh-t1);background:rgba(255,255,255,.05)}
.hh-toc a.is-current{color:var(--hh-primary);background:rgba(27,224,176,.08);border-left-color:var(--hh-primary)}
.hh-hot a{display:flex;gap:10px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--hh-line-soft);font-size:14.5px;line-height:1.6;color:var(--hh-t2)}
.hh-hot a:last-child{border-bottom:0;padding-bottom:0}
.hh-hot a:hover{color:var(--hh-primary)}
.hh-hot .num{color:var(--hh-primary);font-size:13px}
.hh-side-cta{background:linear-gradient(160deg,rgba(27,224,176,.14),rgba(46,107,255,.12));border:1px solid rgba(27,224,176,.28)}
.hh-side-cta p{font-size:14px;margin:8px 0 16px;color:var(--hh-t2)}
.hh-side-cta .hh-btn{width:100%}

/* ============ 文末 ============ */
.hh-foot-block{margin-top:48px;padding-top:28px;border-top:1px solid var(--hh-line-soft);max-width:820px}
.hh-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.hh-tags .label{font-size:13px;color:var(--hh-t3)}
.hh-foot-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:22px}
.hh-pager{display:grid;grid-template-columns:1fr;gap:16px;margin-top:56px}
@media (min-width:768px){.hh-pager{grid-template-columns:1fr 1fr}}
.hh-pager a{display:block;padding:20px;border-radius:var(--hh-r-lg);border:1px solid var(--hh-line);background:var(--hh-glass);transition:.18s var(--hh-ease)}
.hh-pager a:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.4);box-shadow:var(--hh-shadow-hover)}
.hh-pager .dir{font-size:12.5px;color:var(--hh-t3);display:block;margin-bottom:8px}
.hh-pager .ttl{font-size:16.5px;color:var(--hh-t1);font-weight:600;line-height:1.5}
.hh-pager .next{text-align:right}
.hh-rel{margin-top:64px}
.hh-rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.hh-rel-head h2{font-size:clamp(21px,2.8vw,28px);font-weight:700}
.hh-rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.hh-rel-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1200px){.hh-rel-grid{grid-template-columns:repeat(3,1fr)}}
.hh-rel-card{display:flex;gap:14px;padding:14px;border-radius:var(--hh-r-lg);border:1px solid var(--hh-line);background:var(--hh-glass);transition:.18s var(--hh-ease)}
.hh-rel-card:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.4);box-shadow:var(--hh-shadow-hover)}
.hh-rel-thumb{flex:0 0 104px;width:104px;aspect-ratio:4/3;border-radius:var(--hh-r-sm);overflow:hidden;background:linear-gradient(135deg,#0A1020,#05080F)}
.hh-rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--hh-ease)}
.hh-rel-card:hover .hh-rel-thumb img{transform:scale(1.04)}
.hh-rel-body{min-width:0}
.hh-rel-body h3{font-size:15.5px;line-height:1.5;font-weight:600;margin:4px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hh-rel-body p{font-size:13px;color:var(--hh-t3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ============ 底部 CTA ============ */
.hh-cta-strip{margin-top:72px;padding:32px;border-radius:var(--hh-r-xl);border:1px solid rgba(27,224,176,.26);
  background:linear-gradient(120deg,rgba(27,224,176,.14),rgba(46,107,255,.12) 62%,rgba(255,106,43,.08));
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;box-shadow:var(--hh-shadow)}
.hh-cta-strip h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;margin-bottom:6px}
.hh-cta-strip p{font-size:14.5px;color:var(--hh-t2)}
.hh-cta-strip .hh-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.hh-footer{margin-top:var(--hh-sec);padding:64px 0 28px;background:var(--hh-bg);border-top:1px solid var(--hh-line-soft);position:relative}
.hh-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(46,107,255,.6),rgba(27,224,176,.35) 45%,rgba(46,107,255,0) 100%)}
.hh-footer h4{font-size:14px;color:var(--hh-t1);font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.hh-f-brand p{font-size:14px;line-height:1.85;color:var(--hh-t2);margin:16px 0 18px;max-width:34ch}
.hh-f-links{display:flex;flex-direction:column;gap:11px}
.hh-f-links a{font-size:14px;color:var(--hh-t2)}
.hh-f-links a:hover{color:var(--hh-primary)}
.hh-f-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--hh-t2)}
.hh-social{display:flex;gap:10px}
.hh-social a{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--hh-line);background:var(--hh-glass);color:var(--hh-t2)}
.hh-social a:hover{color:var(--hh-primary);border-color:rgba(27,224,176,.45);transform:translateY(-2px)}
.hh-f-bottom{margin-top:44px;padding-top:20px;border-top:1px solid var(--hh-line-soft);display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between}
.hh-f-bottom p{font-size:13px;color:var(--hh-t3)}
.hh-f-legal{display:flex;flex-wrap:wrap;gap:18px}
.hh-f-legal a{font-size:13px;color:var(--hh-t3)}
.hh-f-legal a:hover{color:var(--hh-primary)}

/* ============ 响应式 ============ */
@media (max-width:1199px){:root{--hh-sec:80px}}
@media (max-width:991px){
  .hh-nav-wrap{height:64px}
  .hh-article-hero{padding:104px 0 48px}
  .hh-main{padding:48px 0 72px}
  .hh-cover{aspect-ratio:16/9;border-radius:var(--hh-r-lg)}
}
@media (max-width:767px){
  :root{--hh-sec:64px}
  .hh-logo{font-size:15.5px}
  .hh-logo-mark{width:26px;height:26px;flex:0 0 26px}
  .hh-article-hero{padding:92px 0 40px}
  .hh-meta{gap:8px 14px}
  .hh-btn{height:44px;padding:0 22px;font-size:14.5px}
  .hh-btn-sm{height:38px;padding:0 16px}
  .hh-cta-strip{padding:24px}
  .hh-cta-strip .hh-cta-actions{width:100%}
  .hh-cta-strip .hh-cta-actions .hh-btn{width:100%}
  .hh-article-body{font-size:16.5px}
  .hh-article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .hh-rel-card{flex-direction:row}
  .hh-rel-thumb{flex:0 0 88px;width:88px}
  .hh-pager .next{text-align:left}
}
@media (max-width:519px){
  .container{padding-left:16px;padding-right:16px}
  .hh-article-title{font-size:clamp(24px,7vw,30px)}
  .hh-nav-actions .hh-icon-btn{display:none}
  .hh-rel-card{flex-direction:column}
  .hh-rel-thumb{flex:none;width:100%;aspect-ratio:16/9}
  .hh-f-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --hh-bg:#05080F;
  --hh-bg-2:#0A1020;
  --hh-bg-3:#070C16;
  --hh-primary:#1BE0B0;
  --hh-primary-2:#12C79A;
  --hh-accent:#FF6A2B;
  --hh-blue:#2E6BFF;
  --hh-glass:rgba(255,255,255,.055);
  --hh-glass-2:rgba(255,255,255,.04);
  --hh-line:rgba(255,255,255,.12);
  --hh-text:#EAF2FF;
  --hh-text-2:#9FB0C8;
  --hh-text-3:#6B7C93;
  --hh-success:#22C55E;
  --hh-warn:#F5B301;
  --hh-error:#FF5A5A;
  --hh-r-lg:20px;
  --hh-r-md:16px;
  --hh-r-sm:12px;
  --hh-shadow:0 18px 48px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --hh-shadow-hover:0 24px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.08);
  --hh-glow:0 0 0 1px rgba(27,224,176,.45), 0 10px 30px rgba(27,224,176,.28);
  --hh-trans:180ms cubic-bezier(.2,.7,.3,1);
  --hh-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--hh-bg);
  color:var(--hh-text);
  font-family:var(--hh-font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(46,107,255,.16), transparent 60%),
    radial-gradient(760px 460px at 92% 4%, rgba(27,224,176,.10), transparent 62%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--hh-text);text-decoration:none;transition:color var(--hh-trans)}
a:hover{color:var(--hh-primary)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--hh-text);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--hh-primary);outline-offset:2px;border-radius:6px}
.hh-skip{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--hh-primary);color:var(--hh-bg);
  padding:10px 18px;border-radius:0 0 12px 0;font-weight:700;
}
.hh-skip:focus{left:0}
.container{width:100%;padding-right:16px;padding-left:16px;margin-right:auto;margin-left:auto}
@media (min-width:576px){.container{max-width:540px}}
@media (min-width:768px){.container{max-width:720px;padding-right:24px;padding-left:24px}}
@media (min-width:992px){.container{max-width:960px}}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1440px){.container{max-width:1280px}}

/* ============ 导航 ============ */
.hh-header{
  position:absolute;top:0;left:0;right:0;z-index:120;
  height:72px;
  display:flex;align-items:center;
  background:rgba(255,255,255,.055);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--hh-line);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
  transition:background var(--hh-trans), box-shadow var(--hh-trans), border-color var(--hh-trans);
}
.hh-header.is-solid{
  position:fixed;
  background:rgba(7,12,22,.96);
  border-bottom-color:rgba(255,255,255,.16);
  box-shadow:0 12px 34px rgba(0,0,0,.55);
}
.hh-nav-wrap{display:flex;align-items:center;gap:20px;width:100%}
.hh-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--hh-text)}
.hh-logo:hover{color:var(--hh-text)}
.hh-logo-mark{width:30px;height:30px;flex:0 0 auto}
.hh-logo-text{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.hh-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.hh-nav a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--hh-text-2);
  border-radius:10px;
  white-space:nowrap;
}
.hh-nav a:hover{color:var(--hh-text);background:rgba(255,255,255,.06)}
.hh-nav a.is-active{color:var(--hh-text);font-weight:700}
.hh-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--hh-primary),rgba(27,224,176,.15));
  box-shadow:0 0 12px rgba(27,224,176,.7);
}
.hh-nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.hh-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--hh-line);background:var(--hh-glass);
  color:var(--hh-text-2);cursor:pointer;transition:all var(--hh-trans);
}
.hh-icon-btn:hover{color:var(--hh-primary);border-color:rgba(27,224,176,.45);transform:translateY(-2px)}
.hh-burger{display:none}
@media (max-width:991px){
  .hh-nav{display:none}
  .hh-burger{display:inline-flex}
}

/* ============ 按钮 ============ */
.hh-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:all var(--hh-trans);white-space:nowrap;
}
.hh-btn-primary{
  background:linear-gradient(135deg,#1BE0B0 0%,#22D3C5 100%);
  color:#05080F;
  box-shadow:var(--hh-glow);
}
.hh-btn-primary:hover{color:#05080F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(27,224,176,.6),0 16px 38px rgba(27,224,176,.34)}
.hh-btn-primary:active{transform:translateY(0)}
.hh-btn-ghost{
  background:var(--hh-glass);border-color:rgba(27,224,176,.5);color:var(--hh-text);
}
.hh-btn-ghost:hover{background:rgba(255,255,255,.1);color:var(--hh-text);transform:translateY(-2px)}
.hh-btn-sm{height:40px;padding:0 20px;font-size:14px}
.hh-btn-block{width:100%}
.hh-link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--hh-primary);
}
.hh-link-more svg{transition:transform var(--hh-trans)}
.hh-link-more:hover svg{transform:translateX(4px)}

/* ============ 抽屉 ============ */
.hh-drawer-mask{
  position:fixed;inset:0;background:rgba(5,8,15,.6);z-index:180;
  opacity:0;visibility:hidden;transition:opacity var(--hh-trans),visibility var(--hh-trans);
}
.hh-drawer-mask.is-open{opacity:1;visibility:visible}
.hh-drawer{
  position:fixed;top:0;right:0;bottom:0;width:280px;z-index:190;
  background:rgba(10,16,32,.94);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--hh-line);
  padding:22px 20px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
}
.hh-drawer.is-open{transform:translateX(0)}
.hh-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.hh-drawer nav{display:flex;flex-direction:column}
.hh-drawer nav a{
  font-size:18px;line-height:56px;color:var(--hh-text-2);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.hh-drawer nav a.is-active{color:var(--hh-primary);font-weight:700}
.hh-drawer-foot{margin-top:auto;padding-top:18px}
.hh-drawer-title{font-size:15px;font-weight:700;color:var(--hh-text)}

/* ============ Hero ============ */
.hh-hero{
  position:relative;
  padding:150px 0 76px;
  min-height:400px;
  overflow:hidden;
  background-image:
    linear-gradient(180deg, rgba(5,8,15,.62) 0%, rgba(5,8,15,.86) 62%, var(--hh-bg) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.hh-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,107,255,.5),rgba(27,224,176,.35),transparent);
}
.hh-hero-inner{position:relative;z-index:2;max-width:840px}
.hh-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--hh-text-3);margin-bottom:18px;
}
.hh-breadcrumb a{color:var(--hh-text-3)}
.hh-breadcrumb a:hover{color:var(--hh-primary)}
.hh-breadcrumb .is-current{color:var(--hh-text)}
.hh-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:var(--hh-glass);border:1px solid var(--hh-line);color:var(--hh-text-2);
}
.hh-badge-primary{color:var(--hh-primary);border-color:rgba(27,224,176,.42);background:rgba(27,224,176,.08)}
.hh-badge-accent{color:var(--hh-accent);border-color:rgba(255,106,43,.42);background:rgba(255,106,43,.09)}
.hh-hero h1{
  font-size:clamp(30px,5vw,48px);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
  margin:18px 0 16px;
}
.hh-hero-sub{
  font-size:17px;color:var(--hh-text-2);max-width:660px;margin-bottom:26px;
}
.hh-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hh-hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;
  padding-top:22px;border-top:1px solid var(--hh-line);
}
.hh-hero-meta div{min-width:110px}
.hh-hero-meta strong{
  display:block;font-size:24px;font-weight:800;color:var(--hh-text);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;line-height:1.3;
}
.hh-hero-meta span{font-size:13px;color:var(--hh-text-3)}

/* ============ 板块通用 ============ */
.hh-main{position:relative;z-index:1}
.hh-section{padding:88px 0}
.hh-section-tight{padding:64px 0}
.hh-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px}
.hh-sec-title{position:relative;padding-left:16px;font-size:clamp(23px,3.4vw,32px);line-height:1.3}
.hh-sec-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--hh-primary),rgba(27,224,176,.25));
  box-shadow:0 0 14px rgba(27,224,176,.55);
}
.hh-sec-desc{margin-top:12px;color:var(--hh-text-2);max-width:720px;padding-left:16px}
.hh-divider{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,rgba(46,107,255,.45),rgba(27,224,176,.18),transparent);
}

/* ============ 数据卡 ============ */
.hh-stat{
  height:100%;
  padding:26px 24px;
  border-radius:var(--hh-r-md);
  border:1px solid var(--hh-line);
  background:linear-gradient(160deg,rgba(46,107,255,.10),rgba(255,255,255,.03) 55%);
  box-shadow:var(--hh-shadow);
  transition:all var(--hh-trans);
}
.hh-stat:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.38);box-shadow:var(--hh-shadow-hover)}
.hh-stat strong{
  display:block;font-size:34px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--hh-primary);
}
.hh-stat strong em{font-style:normal;font-size:15px;color:var(--hh-text-2);margin-left:4px;font-weight:600}
.hh-stat p{margin:10px 0 0;font-size:14px;color:var(--hh-text-2);line-height:1.7}

/* ============ 时间轴 ============ */
.hh-timeline{position:relative;padding:10px 0 0}
.hh-timeline::before{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(46,107,255,0),rgba(27,224,176,.5) 12%,rgba(27,224,176,.5) 88%,rgba(46,107,255,0));
  opacity:.75;
}
.hh-tl-item{
  position:relative;
  display:grid;grid-template-columns:1fr 84px 1fr;align-items:center;
  margin-bottom:34px;
}
.hh-tl-item:last-child{margin-bottom:0}
.hh-tl-node{grid-column:2;display:flex;justify-content:center;align-items:center}
.hh-tl-dot{
  width:16px;height:16px;border-radius:50%;
  background:var(--hh-bg-3);
  border:2px solid var(--hh-primary);
  box-shadow:0 0 0 6px rgba(27,224,176,.10),0 0 20px rgba(27,224,176,.65);
}
.hh-tl-card{
  padding:24px 26px;
  border-radius:var(--hh-r-md);
  border:1px solid var(--hh-line);
  background:var(--hh-glass);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--hh-shadow);
  transition:all var(--hh-trans);
}
.hh-tl-card:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.38);box-shadow:var(--hh-shadow-hover)}
.hh-tl-card h3{font-size:19px;line-height:1.4;margin:10px 0 8px}
.hh-tl-card p{font-size:14.5px;color:var(--hh-text-2);margin:0}
.hh-tl-num{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--hh-primary);font-variant-numeric:tabular-nums;
}
.hh-tl-num::after{content:"";width:26px;height:1px;background:rgba(27,224,176,.5)}
.hh-tl-left .hh-tl-card{grid-column:1}
.hh-tl-left .hh-tl-node{grid-column:2}
.hh-tl-left .hh-tl-spacer{grid-column:3}
.hh-tl-right .hh-tl-spacer{grid-column:1}
.hh-tl-right .hh-tl-node{grid-column:2}
.hh-tl-right .hh-tl-card{grid-column:3}

/* ============ 图文条块 ============ */
.hh-split{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
}
.hh-media{
  position:relative;border-radius:var(--hh-r-lg);overflow:hidden;
  border:1px solid var(--hh-line);box-shadow:var(--hh-shadow);
  background:linear-gradient(140deg,rgba(46,107,255,.22),rgba(27,224,176,.06));
  aspect-ratio:16/10;
}
.hh-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.hh-media:hover img{transform:scale(1.04)}
.hh-check-list li{
  position:relative;padding:10px 0 10px 26px;
  font-size:15px;color:var(--hh-text-2);border-bottom:1px solid rgba(255,255,255,.07);
}
.hh-check-list li:last-child{border-bottom:0}
.hh-check-list li::before{
  content:"";position:absolute;left:0;top:20px;
  width:8px;height:8px;border-radius:2px;background:var(--hh-primary);
  box-shadow:0 0 10px rgba(27,224,176,.6);
}
.hh-check-list li strong{color:var(--hh-text);font-weight:600}

/* ============ 卡片 ============ */
.hh-card{
  height:100%;
  border-radius:var(--hh-r-lg);overflow:hidden;
  border:1px solid var(--hh-line);background:var(--hh-glass);
  box-shadow:var(--hh-shadow);
  transition:all var(--hh-trans);
  display:flex;flex-direction:column;
}
.hh-card:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.38);box-shadow:var(--hh-shadow-hover)}
.hh-card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,rgba(46,107,255,.25),rgba(27,224,176,.08))}
.hh-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.hh-card:hover .hh-card-cover img{transform:scale(1.04)}
.hh-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.hh-card-body h3{font-size:19px;line-height:1.4}
.hh-card-body p{font-size:14.5px;color:var(--hh-text-2);margin:0}
.hh-tag-row{display:flex;flex-wrap:wrap;gap:8px}

/* ============ FAQ ============ */
.hh-faq .accordion-item{
  background:var(--hh-glass);
  border:1px solid var(--hh-line);
  border-radius:var(--hh-r-md) !important;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--hh-shadow);
}
.hh-faq .accordion-button{
  background:transparent;color:var(--hh-text);
  font-size:16.5px;font-weight:600;
  padding:20px 22px;
  box-shadow:none;
  border-left:3px solid transparent;
  transition:all var(--hh-trans);
}
.hh-faq .accordion-button:not(.collapsed){
  background:rgba(27,224,176,.07);
  color:var(--hh-text);
  border-left-color:var(--hh-primary);
}
.hh-faq .accordion-button:focus{box-shadow:none;border-color:rgba(27,224,176,.5)}
.hh-faq .accordion-button::after{
  content:"";width:12px;height:12px;
  border-right:2px solid var(--hh-primary);
  border-bottom:2px solid var(--hh-primary);
  background-image:none;
  transform:rotate(45deg);
  transition:transform var(--hh-trans);
  margin-left:auto;
}
.hh-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.hh-faq .accordion-body{
  padding:4px 24px 22px 25px;
  font-size:15px;color:var(--hh-text-2);line-height:1.85;
  border-left:3px solid rgba(27,224,176,.35);
}

/* ============ CTA ============ */
.hh-cta{
  position:relative;
  border-radius:var(--hh-r-lg);
  border:1px solid var(--hh-line);
  background:
    radial-gradient(620px 300px at 88% 10%, rgba(27,224,176,.16), transparent 62%),
    linear-gradient(150deg, rgba(46,107,255,.16), rgba(255,255,255,.03));
  box-shadow:var(--hh-shadow);
  padding:44px 42px;
  overflow:hidden;
}
.hh-cta h2{font-size:clamp(22px,3vw,30px);line-height:1.3;margin-bottom:12px}
.hh-cta p{color:var(--hh-text-2);max-width:640px}
.hh-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hh-cta-note{margin-top:18px;font-size:13px;color:var(--hh-text-3)}

/* ============ 页脚 ============ */
.hh-footer{
  position:relative;
  margin-top:40px;
  padding:64px 0 28px;
  background:var(--hh-bg);
  border-top:1px solid transparent;
}
.hh-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(46,107,255,.55),rgba(27,224,176,.4),transparent);
}
.hh-f-brand .hh-logo{margin-bottom:16px}
.hh-f-brand p{font-size:14px;color:var(--hh-text-2);max-width:340px}
.hh-social{display:flex;gap:10px;margin-top:18px}
.hh-social a{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--hh-glass);border:1px solid var(--hh-line);color:var(--hh-text-2);
  transition:all var(--hh-trans);
}
.hh-social a:hover{color:var(--hh-primary);border-color:rgba(27,224,176,.45);transform:translateY(-2px)}
.hh-footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--hh-text)}
.hh-f-links{display:flex;flex-direction:column;gap:10px}
.hh-f-links a{font-size:14px;color:var(--hh-text-2)}
.hh-f-links a:hover{color:var(--hh-primary)}
.hh-f-contact{font-size:14px;color:var(--hh-text-2);display:flex;flex-direction:column;gap:10px}
.hh-f-contact span{color:var(--hh-text-3);font-size:13px}
.hh-copy{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--hh-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--hh-text-3);
}
.hh-copy a{color:var(--hh-text-3)}
.hh-copy a:hover{color:var(--hh-primary)}
.hh-copy-links{display:flex;flex-wrap:wrap;gap:18px}

/* ============ 动效 ============ */
.hh-fade{opacity:0;transform:translateY(12px);transition:opacity 520ms ease,transform 520ms cubic-bezier(.2,.7,.3,1)}
.hh-fade.is-in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  .hh-fade{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hh-section{padding:78px 0}
  .hh-hero{padding:132px 0 66px;min-height:360px}
}
@media (max-width:991px){
  .hh-hero{padding:120px 0 58px}
  .hh-split{grid-template-columns:1fr;gap:26px}
  .hh-timeline::before{left:22px;transform:none}
  .hh-tl-item{grid-template-columns:44px 1fr;gap:0;margin-bottom:26px}
  .hh-tl-left .hh-tl-node,.hh-tl-right .hh-tl-node{grid-column:1;justify-content:flex-start}
  .hh-tl-left .hh-tl-card,.hh-tl-right .hh-tl-card{grid-column:2}
  .hh-tl-left .hh-tl-spacer,.hh-tl-right .hh-tl-spacer{display:none}
  .hh-tl-card{padding:20px 20px}
  .hh-cta{padding:34px 26px}
}
@media (max-width:575px){
  .hh-header{height:60px}
  .hh-logo-text{font-size:15.5px}
  .hh-logo-mark{width:27px;height:27px}
  .hh-nav-actions .hh-btn{display:none}
  .hh-section{padding:64px 0}
  .hh-section-tight{padding:52px 0}
  .hh-hero{padding:104px 0 52px;min-height:320px}
  .hh-hero-sub{font-size:15.5px}
  .hh-hero-meta{gap:18px}
  .hh-hero-meta strong{font-size:20px}
  .hh-btn{height:44px;padding:0 22px;font-size:14.5px}
  .hh-cta-actions .hh-btn{width:100%}
  .hh-sec-head{margin-bottom:28px}
  .hh-stat strong{font-size:28px}
  .hh-copy{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --hh-bg:#05080F;
  --hh-bg-2:#0A1020;
  --hh-bg-3:#070C16;
  --hh-primary:#1BE0B0;
  --hh-accent:#FF6A2B;
  --hh-blue:#2E6BFF;
  --hh-glass:rgba(255,255,255,.055);
  --hh-line:rgba(255,255,255,.12);
  --hh-text:#EAF2FF;
  --hh-muted:#9FB0C8;
  --hh-dim:#6B7C93;
  --hh-ok:#22C55E;
  --hh-warn:#F5B301;
  --hh-err:#FF5A5A;
  --hh-r-lg:20px;
  --hh-r-md:16px;
  --hh-r-sm:12px;
  --hh-shadow:0 18px 48px rgba(0,0,0,.45);
  --hh-shadow-hover:0 24px 60px rgba(0,0,0,.55);
  --hh-glow:0 0 0 1px rgba(27,224,176,.45),0 10px 30px rgba(27,224,176,.28);
  --hh-ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--hh-bg);
  color:var(--hh-muted);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(46,107,255,.16),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(27,224,176,.12),transparent 60%);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--hh-text);text-decoration:none;transition:color .18s var(--hh-ease);}
a:hover{color:var(--hh-primary);}
p{margin:0 0 16px;}
h1,h2,h3,h4{color:var(--hh-text);margin:0;font-weight:700;letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--hh-primary);outline-offset:2px;border-radius:6px;}
.hh-skip{
  position:absolute;left:-9999px;top:0;background:var(--hh-primary);color:#05080F;
  padding:10px 18px;border-radius:0 0 12px 0;font-weight:700;z-index:2000;
}
.hh-skip:focus{left:0;}

.container, .container-lg, .container-md{position:relative;z-index:1;}
@media (min-width:1200px){ .container{max-width:1200px;} }
@media (min-width:1440px){ .container{max-width:1280px;} }

/* ============ 顶部导航 ============ */
.hh-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:72px;display:flex;align-items:center;
  background:rgba(255,255,255,.055);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--hh-line);
  box-shadow:0 8px 26px rgba(0,0,0,.28);
  transition:background .2s var(--hh-ease),box-shadow .2s var(--hh-ease),border-color .2s var(--hh-ease);
}
.hh-header.is-solid{
  background:rgba(7,12,22,.96);
  border-bottom-color:rgba(255,255,255,.16);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.hh-nav-wrap{display:flex;align-items:center;gap:24px;width:100%;}
.hh-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;letter-spacing:.01em;color:var(--hh-text);
  white-space:nowrap;flex:0 0 auto;
}
.hh-logo:hover{color:var(--hh-text);}
.hh-logo-mark{width:30px;height:30px;flex:0 0 auto;}
.hh-logo-text{line-height:1;}
.hh-nav{
  display:flex;align-items:center;gap:6px;
  margin:0 auto;padding:0;
}
.hh-nav a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  color:#C7D5E8;
  border-radius:999px;
  transition:color .18s var(--hh-ease),background .18s var(--hh-ease);
}
.hh-nav a:hover{color:var(--hh-text);background:rgba(255,255,255,.06);}
.hh-nav a.is-active{color:var(--hh-primary);font-weight:600;}
.hh-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--hh-primary),rgba(27,224,176,0));
  border-radius:2px;
}
.hh-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.hh-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--hh-glass);border:1px solid var(--hh-line);border-radius:12px;
  color:var(--hh-text);cursor:pointer;
  transition:transform .18s var(--hh-ease),border-color .18s var(--hh-ease),background .18s var(--hh-ease);
}
.hh-icon-btn:hover{transform:translateY(-2px);border-color:rgba(27,224,176,.45);background:rgba(255,255,255,.1);}
.hh-burger{
  width:42px;height:42px;display:none;align-items:center;justify-content:center;
  background:var(--hh-glass);border:1px solid var(--hh-line);border-radius:12px;cursor:pointer;color:var(--hh-text);
}
.hh-burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.hh-burger span::before,.hh-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.hh-burger span::before{top:-6px;}
.hh-burger span::after{top:6px;}

/* 抽屉 */
.hh-drawer{
  position:fixed;top:0;right:0;width:280px;height:100%;z-index:1045;
  background:rgba(10,16,32,.92);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--hh-line);
  transform:translateX(105%);
  transition:transform .24s var(--hh-ease);
  padding:22px 20px;display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.hh-drawer.is-open{transform:translateX(0);}
.hh-drawer a{
  font-size:18px;line-height:56px;color:var(--hh-text);border-bottom:1px solid rgba(255,255,255,.06);
}
.hh-drawer a.is-active{color:var(--hh-primary);}
.hh-drawer-close{
  align-self:flex-end;width:38px;height:38px;border-radius:12px;
  background:var(--hh-glass);border:1px solid var(--hh-line);color:var(--hh-text);cursor:pointer;font-size:20px;line-height:1;
}
.hh-drawer .hh-btn{margin-top:18px;border-bottom:none;}
.hh-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.6);z-index:1040;opacity:0;visibility:hidden;
  transition:opacity .22s var(--hh-ease),visibility .22s var(--hh-ease);
}
.hh-mask.is-open{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.hh-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:15px;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--hh-ease),box-shadow .18s var(--hh-ease),background .18s var(--hh-ease),border-color .18s var(--hh-ease);
}
.hh-btn-primary{
  background:linear-gradient(135deg,#1BE0B0,#0FC39B);
  color:#05080F;
  box-shadow:var(--hh-glow);
}
.hh-btn-primary:hover{color:#05080F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(27,224,176,.6),0 14px 36px rgba(27,224,176,.36);}
.hh-btn-primary:active{transform:translateY(0);}
.hh-btn-ghost{
  background:var(--hh-glass);border-color:rgba(27,224,176,.5);color:var(--hh-text);
}
.hh-btn-ghost:hover{background:rgba(255,255,255,.1);color:var(--hh-text);transform:translateY(-2px);}
.hh-btn-sm{height:40px;padding:0 20px;font-size:14px;}
.hh-btn-lg{height:52px;padding:0 34px;font-size:16px;}
.hh-btn-block{width:100%;}
.hh-btn-text{
  display:inline-flex;align-items:center;gap:6px;background:none;border:none;padding:0;
  color:var(--hh-primary);font-weight:600;font-size:14px;cursor:pointer;
}
.hh-btn-text svg{transition:transform .18s var(--hh-ease);}
.hh-btn-text:hover svg{transform:translateX(4px);}

/* ============ 徽章 / 面包屑 ============ */
.hh-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:12.5px;line-height:1.5;
  background:var(--hh-glass);border:1px solid var(--hh-line);color:#C7D5E8;
}
.hh-badge-primary{border-color:rgba(27,224,176,.42);color:var(--hh-primary);}
.hh-badge-accent{border-color:rgba(255,106,43,.42);color:var(--hh-accent);}
.hh-crumb{
  font-size:13px;color:var(--hh-dim);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px;
}
.hh-crumb a{color:var(--hh-dim);}
.hh-crumb a:hover{color:var(--hh-primary);}
.hh-crumb .sep{opacity:.55;}
.hh-crumb .cur{color:var(--hh-text);}

/* ============ Hero ============ */
.hh-hero-sm{
  position:relative;
  min-height:380px;
  display:flex;align-items:flex-end;
  padding:132px 0 62px;
  background-image:linear-gradient(120deg,rgba(5,8,15,.94) 0%,rgba(5,8,15,.78) 46%,rgba(5,8,15,.5) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--hh-line);
  overflow:hidden;
}
.hh-hero-sm::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(46,107,255,.7),rgba(27,224,176,.35),transparent);
}
.hh-hero-sm h1{
  font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;margin:16px 0 14px;max-width:900px;
}
.hh-hero-sub{font-size:16px;color:var(--hh-muted);max-width:720px;margin-bottom:26px;}
.hh-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hh-hero-stats{
  display:flex;flex-wrap:wrap;gap:28px 46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
}
.hh-hero-stats b{
  display:block;font-size:24px;font-weight:800;color:var(--hh-text);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.hh-hero-stats span{font-size:13px;color:var(--hh-dim);}

/* ============ 通用板块 ============ */
.hh-section{padding:96px 0;position:relative;}
.hh-section-alt{background:var(--hh-bg-3);}
.hh-section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:38px;
}
.hh-section-head h2{
  font-size:clamp(23px,3.4vw,34px);line-height:1.25;font-weight:700;position:relative;padding-left:16px;
}
.hh-section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--hh-primary),rgba(27,224,176,.15));
}
.hh-section-head p{font-size:14.5px;color:var(--hh-dim);margin:10px 0 0 16px;}
.hh-divider{
  height:1px;border:0;margin:0;
  background:linear-gradient(90deg,rgba(46,107,255,.55),rgba(27,224,176,.18),transparent);
}

/* ============ 图文对照布局 ============ */
.hh-aside{
  position:sticky;top:100px;
  background:var(--hh-glass);
  border:1px solid var(--hh-line);
  border-radius:var(--hh-r-lg);
  padding:28px 26px;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--hh-shadow),inset 0 1px 0 rgba(255,255,255,.08);
}
.hh-aside h3{font-size:20px;line-height:1.4;margin-bottom:12px;}
.hh-aside .hh-aside-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--hh-r-md);
  margin:18px 0 20px;border:1px solid var(--hh-line);
}
.hh-points{display:flex;flex-direction:column;gap:14px;margin-bottom:22px;}
.hh-points li{display:flex;gap:12px;font-size:14.5px;color:var(--hh-muted);line-height:1.7;}
.hh-points .num{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;color:#05080F;background:linear-gradient(135deg,#1BE0B0,#0FC39B);
  font-variant-numeric:tabular-nums;
}

.hh-card-h{
  display:flex;gap:22px;align-items:stretch;
  background:var(--hh-glass);
  border:1px solid var(--hh-line);
  border-radius:var(--hh-r-lg);
  padding:18px;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--hh-shadow),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .2s var(--hh-ease),border-color .2s var(--hh-ease),box-shadow .2s var(--hh-ease);
}
.hh-card-h:hover{
  transform:translateY(-4px);
  border-color:rgba(27,224,176,.32);
  box-shadow:var(--hh-shadow-hover),inset 0 1px 0 rgba(255,255,255,.08);
}
.hh-card-h + .hh-card-h{margin-top:22px;}
.hh-card-h-media{
  flex:0 0 40%;max-width:40%;border-radius:var(--hh-r-md);overflow:hidden;position:relative;background:var(--hh-bg-2);
}
.hh-card-h-media img{width:100%;height:100%;min-height:190px;object-fit:cover;transition:transform .35s var(--hh-ease);}
.hh-card-h:hover .hh-card-h-media img{transform:scale(1.04);}
.hh-card-h-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;padding:6px 6px 4px 0;}
.hh-card-h-body h3{font-size:19px;line-height:1.4;margin:10px 0 10px;}
.hh-card-h-body p{font-size:14.5px;color:var(--hh-muted);margin-bottom:16px;}
.hh-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--hh-dim);margin-top:auto;font-variant-numeric:tabular-nums;}
.hh-meta a{color:var(--hh-primary);}

/* ============ 数据卡 ============ */
.hh-datacards{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.hh-datacard{
  border-left:3px solid rgba(27,224,176,.55);
  padding:20px 22px;
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  border-radius:0 var(--hh-r-md) var(--hh-r-md) 0;
}
.hh-datacard b{
  display:block;font-size:32px;font-weight:800;color:var(--hh-text);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;line-height:1.1;
}
.hh-datacard b i{font-style:normal;font-size:15px;color:var(--hh-dim);margin-left:4px;font-weight:600;}
.hh-datacard span{display:block;font-size:13.5px;color:var(--hh-dim);margin-top:8px;}

/* ============ 分类入口 ============ */
.hh-cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.hh-cat-card{
  display:block;border-radius:var(--hh-r-lg);overflow:hidden;
  border:1px solid var(--hh-line);background:var(--hh-bg-2);
  transition:transform .2s var(--hh-ease),border-color .2s var(--hh-ease),box-shadow .2s var(--hh-ease);
}
.hh-cat-card:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.35);box-shadow:var(--hh-shadow-hover);}
.hh-cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hh-cat-card-body{padding:18px 20px 22px;}
.hh-cat-card-body h3{font-size:18px;margin-bottom:8px;}
.hh-cat-card-body p{font-size:14px;color:var(--hh-dim);margin:0;}

/* ============ FAQ ============ */
.hh-faq .accordion-item{
  background:var(--hh-glass);
  border:1px solid var(--hh-line);
  border-radius:var(--hh-r-md);
  margin-bottom:14px;overflow:hidden;
}
.hh-faq .accordion-button{
  background:transparent;color:var(--hh-text);font-weight:600;font-size:16.5px;
  padding:20px 22px;box-shadow:none;gap:14px;
}
.hh-faq .accordion-button::after{
  content:"";flex:0 0 auto;
  width:20px;height:20px;margin-left:auto;background:none;
  border-right:2px solid var(--hh-primary);border-bottom:2px solid var(--hh-primary);
  transform:rotate(45deg);transition:transform .22s var(--hh-ease);position:relative;top:-3px;
}
.hh-faq .accordion-button:not(.collapsed){
  background:rgba(27,224,176,.06);
  color:var(--hh-primary);
  box-shadow:inset 3px 0 0 var(--hh-primary);
}
.hh-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);top:3px;}
.hh-faq .accordion-button:focus{box-shadow:none;}
.hh-faq .accordion-body{
  padding:0 24px 22px;color:var(--hh-muted);font-size:15px;line-height:1.85;
}

/* ============ CTA / 表单 ============ */
.hh-cta{
  position:relative;overflow:hidden;
  border:1px solid var(--hh-line);
  border-radius:var(--hh-r-lg);
  padding:44px 42px;
  background-image:linear-gradient(115deg,rgba(10,16,32,.94),rgba(7,12,22,.82)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--hh-shadow);
}
.hh-cta h2{font-size:clamp(23px,3.4vw,32px);margin-bottom:14px;}
.hh-cta .lead{font-size:15px;color:var(--hh-muted);margin-bottom:22px;}
.hh-cta-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:8px;}
.hh-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.hh-field{display:flex;flex-direction:column;gap:8px;}
.hh-field label{font-size:14px;color:var(--hh-text);font-weight:600;}
.hh-field .hh-input,
.hh-field select{
  height:48px;padding:0 16px;border-radius:var(--hh-r-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--hh-line);
  color:var(--hh-text);
  width:100%;
  transition:border-color .18s var(--hh-ease),box-shadow .18s var(--hh-ease),background .18s var(--hh-ease);
}
.hh-field select option{background:#0A1020;color:var(--hh-text);}
.hh-field .hh-input::placeholder{color:#5D6C81;}
.hh-field .hh-input:focus,
.hh-field select:focus{
  outline:none;border-color:var(--hh-primary);
  box-shadow:0 0 0 3px rgba(27,224,176,.18);
  background:rgba(255,255,255,.06);
}
.hh-field .hh-error{font-size:13px;color:var(--hh-err);display:none;}
.hh-field.is-invalid .hh-input,
.hh-field.is-invalid select{border-color:rgba(255,90,90,.7);}
.hh-field.is-invalid .hh-error{display:block;}
.hh-form .full{grid-column:1/-1;}
.hh-form-note{font-size:13px;color:var(--hh-dim);margin-top:14px;}
.hh-form-success{
  grid-column:1/-1;display:none;gap:10px;align-items:center;
  padding:14px 18px;border-radius:var(--hh-r-sm);
  background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.4);
  color:#9CEBC0;font-size:14.5px;
}
.hh-form-success.is-show{display:flex;}

/* ============ 页脚 ============ */
.hh-footer{
  background:var(--hh-bg);
  border-top:1px solid var(--hh-line);
  padding:72px 0 0;
  position:relative;
}
.hh-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(46,107,255,.7),rgba(27,224,176,.4),transparent);
}
.hh-footer h4{font-size:15px;margin-bottom:16px;color:var(--hh-text);}
.hh-f-brand p{font-size:14px;color:var(--hh-muted);margin:16px 0 18px;max-width:340px;}
.hh-f-links{display:flex;flex-direction:column;gap:10px;}
.hh-f-links a{font-size:14px;color:var(--hh-muted);}
.hh-f-links a:hover{color:var(--hh-primary);}
.hh-f-contact li{font-size:14px;color:var(--hh-muted);margin-bottom:10px;font-variant-numeric:tabular-nums;}
.hh-social{display:flex;gap:10px;}
.hh-social a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--hh-glass);border:1px solid var(--hh-line);color:var(--hh-muted);
  transition:transform .18s var(--hh-ease),color .18s var(--hh-ease),border-color .18s var(--hh-ease);
}
.hh-social a:hover{transform:translateY(-2px);color:var(--hh-primary);border-color:rgba(27,224,176,.4);}
.hh-f-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--hh-dim);
}
.hh-f-bottom a{color:var(--hh-dim);}
.hh-f-bottom a:hover{color:var(--hh-primary);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hh-aside{position:static;top:auto;margin-bottom:28px;}
  .hh-datacards{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .hh-nav{display:none;}
  .hh-burger{display:inline-flex;}
  .hh-nav-right .hh-btn{display:none;}
  .hh-section{padding:80px 0;}
  .hh-hero-sm{min-height:340px;padding:118px 0 52px;}
  .hh-cat-grid{grid-template-columns:1fr 1fr;}
  .hh-cta{padding:34px 26px;}
}
@media (max-width:767px){
  .hh-header{height:60px;}
  .hh-logo{font-size:16px;}
  .hh-section{padding:64px 0;}
  .hh-hero-sm{padding:104px 0 46px;}
  .hh-card-h{flex-direction:column;padding:16px;}
  .hh-card-h-media{flex:0 0 auto;max-width:100%;}
  .hh-card-h-media img{min-height:200px;height:200px;}
  .hh-card-h-body{padding:16px 4px 4px;}
  .hh-form{grid-template-columns:1fr;}
  .hh-datacards{grid-template-columns:1fr 1fr;gap:14px;}
  .hh-datacard b{font-size:26px;}
  .hh-hero-stats{gap:20px 32px;}
  .hh-hero-actions .hh-btn{width:100%;}
  .hh-cat-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .hh-datacards{grid-template-columns:1fr;}
  .hh-section-head{flex-direction:column;align-items:flex-start;}
  .hh-cta{padding:26px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --hh-bg:#05080F;
  --hh-bg-2:#0A1020;
  --hh-bg-3:#070C16;
  --hh-primary:#1BE0B0;
  --hh-accent:#FF6A2B;
  --hh-blue:#2E6BFF;
  --hh-glass:rgba(255,255,255,.055);
  --hh-line:rgba(255,255,255,.12);
  --hh-text:#EAF2FF;
  --hh-text-2:#9FB0C8;
  --hh-text-3:#6B7C93;
  --hh-ok:#22C55E;
  --hh-warn:#F5B301;
  --hh-err:#FF5A5A;
  --hh-r-lg:20px;
  --hh-r-md:16px;
  --hh-r-sm:12px;
  --hh-shadow:0 18px 48px rgba(0,0,0,.45);
  --hh-shadow-hover:0 24px 60px rgba(0,0,0,.55);
  --hh-glow:0 0 0 1px rgba(27,224,176,.45),0 10px 30px rgba(27,224,176,.28);
  --hh-ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--hh-bg);
  color:var(--hh-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
svg{flex:0 0 auto}
::selection{background:rgba(27,224,176,.28);color:#fff}
:focus-visible{outline:2px solid var(--hh-primary);outline-offset:2px;border-radius:6px}

.container{padding-left:16px;padding-right:16px}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1440px){.container{max-width:1280px}}

.hh-skip{position:absolute;left:-9999px;top:0;z-index:2000;background:var(--hh-primary);color:#05080F;padding:10px 18px;border-radius:0 0 12px 0;font-weight:700}
.hh-skip:focus{left:0}

/* ============ 导航 ============ */
.hh-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:72px;
  background:rgba(255,255,255,.055);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--hh-line);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
  transition:background .2s var(--hh-ease),border-color .2s var(--hh-ease),box-shadow .2s var(--hh-ease);
}
.hh-header.is-solid{
  background:rgba(7,12,22,.96);
  border-bottom-color:rgba(255,255,255,.16);
  box-shadow:0 14px 36px rgba(0,0,0,.55);
}
.hh-nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.hh-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.hh-logo-mark{width:32px;height:32px}
.hh-logo-text{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--hh-text);white-space:nowrap}
.hh-nav{display:flex;align-items:center;gap:26px}
.hh-nav a{
  position:relative;font-size:15px;color:var(--hh-text-2);
  padding:6px 2px;transition:color .18s var(--hh-ease);
}
.hh-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--hh-primary),rgba(27,224,176,0));
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--hh-ease);
}
.hh-nav a:hover{color:var(--hh-text)}
.hh-nav a:hover::after{transform:scaleX(.55)}
.hh-nav a.is-active{color:var(--hh-text);font-weight:600}
.hh-nav a.is-active::after{transform:scaleX(1)}
.hh-nav-actions{display:flex;align-items:center;gap:12px}
.hh-icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--hh-line);background:var(--hh-glass);
  color:var(--hh-text-2);cursor:pointer;transition:all .18s var(--hh-ease);
}
.hh-icon-btn:hover{color:var(--hh-primary);border-color:rgba(27,224,176,.45);transform:translateY(-2px)}
.hh-burger{display:none}

/* ============ 按钮 ============ */
.hh-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--hh-ease),box-shadow .18s var(--hh-ease),background .18s var(--hh-ease),border-color .18s var(--hh-ease),color .18s var(--hh-ease);
}
.hh-btn:active{transform:translateY(0)}
.hh-btn-primary{
  background:linear-gradient(135deg,#1BE0B0,#31C9EE);
  color:#05080F;box-shadow:var(--hh-glow);
}
.hh-btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(27,224,176,.6),0 16px 38px rgba(27,224,176,.36)}
.hh-btn-ghost{
  background:var(--hh-glass);border:1px solid rgba(27,224,176,.5);color:var(--hh-text);
}
.hh-btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.hh-btn-sm{height:40px;padding:0 20px;font-size:14px}
.hh-btn-block{display:flex;width:100%}
.hh-link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--hh-primary);
  transition:color .18s var(--hh-ease);
}
.hh-link-more svg{transition:transform .18s var(--hh-ease)}
.hh-link-more:hover svg{transform:translateX(4px)}

/* ============ Hero ============ */
.hh-hero{
  position:relative;overflow:hidden;
  padding:140px 0 68px;
  min-height:400px;
  display:flex;align-items:flex-end;
  background-image:
    linear-gradient(180deg,rgba(5,8,15,.62) 0%,rgba(5,8,15,.86) 55%,rgba(5,8,15,.98) 100%),
    radial-gradient(900px 420px at 12% 8%,rgba(46,107,255,.22),transparent 62%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover,cover,cover;
  background-position:center,center,center;
  background-repeat:no-repeat;
}
.hh-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(46,107,255,.65),rgba(27,224,176,.35),rgba(255,255,255,0));
}
.hh-hero-inner{position:relative;z-index:2;max-width:820px}
.hh-crumb{font-size:13px;color:var(--hh-text-3);margin-bottom:16px}
.hh-crumb a:hover{color:var(--hh-primary)}
.hh-crumb span.sep{margin:0 8px;color:rgba(255,255,255,.22)}
.hh-crumb em{font-style:normal;color:var(--hh-text-2)}
.hh-hero h1{
  font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin-bottom:18px;max-width:16em;
}
.hh-hero h1 b{color:var(--hh-primary);font-weight:800}
.hh-hero-sub{font-size:17px;color:var(--hh-text-2);max-width:36em;margin-bottom:30px}
.hh-hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 区块 ============ */
.hh-section{padding:96px 0}
.hh-section-tight{padding:72px 0}
.hh-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.hh-section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(23px,3.4vw,34px);line-height:1.25;font-weight:700;
}
.hh-section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--hh-primary),rgba(46,107,255,.6));
  box-shadow:0 0 14px rgba(27,224,176,.55);
}
.hh-section-head p{margin:10px 0 0;color:var(--hh-text-2);font-size:15px;max-width:52em}
.hh-divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,rgba(46,107,255,.6),rgba(27,224,176,.25),rgba(255,255,255,0))}

/* ============ 数据卡 ============ */
.hh-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hh-stat{
  position:relative;overflow:hidden;
  padding:26px 24px;border-radius:var(--hh-r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.03));
  border:1px solid var(--hh-line);
  box-shadow:var(--hh-shadow),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .18s var(--hh-ease),border-color .18s var(--hh-ease),box-shadow .18s var(--hh-ease);
}
.hh-stat::before{
  content:"";position:absolute;inset:auto -30% -60% auto;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,224,176,.22),transparent 68%);
}
.hh-stat:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.32);box-shadow:var(--hh-shadow-hover)}
.hh-stat .num{
  font-variant-numeric:tabular-nums;font-weight:800;font-size:clamp(30px,3.6vw,42px);
  line-height:1.1;letter-spacing:.04em;color:var(--hh-text);display:flex;align-items:baseline;gap:6px;
}
.hh-stat .num small{font-size:15px;font-weight:600;color:var(--hh-text-3);letter-spacing:0}
.hh-stat .label{margin-top:8px;font-size:14px;color:var(--hh-text-2)}
.hh-stat .tag{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(27,224,176,.12);border:1px solid rgba(27,224,176,.34);color:var(--hh-primary);
}
.hh-stat .tag.warm{background:rgba(255,106,43,.12);border-color:rgba(255,106,43,.36);color:#FFA477}

/* ============ 对比表 ============ */
.hh-table-card{
  border-radius:var(--hh-r-lg);border:1px solid var(--hh-line);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.022));
  box-shadow:var(--hh-shadow),inset 0 1px 0 rgba(255,255,255,.08);
  overflow:hidden;
}
.hh-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.hh-table{width:100%;min-width:840px;border-collapse:separate;border-spacing:0;font-size:14.5px}
table.hh-table thead th{
  position:sticky;top:0;z-index:3;
  background:rgba(10,16,32,.96);
  padding:18px 16px;text-align:left;font-weight:700;font-size:14px;color:var(--hh-text);
  border-bottom:1px solid rgba(27,224,176,.28);
  white-space:nowrap;
}
table.hh-table thead th:first-child{left:0;z-index:4}
table.hh-table tbody td{
  padding:16px;color:var(--hh-text-2);border-bottom:1px solid rgba(255,255,255,.07);
  vertical-align:middle;
}
table.hh-table tbody tr:nth-child(odd) td{background:rgba(255,255,255,.022)}
table.hh-table tbody tr:hover td{background:rgba(27,224,176,.07);color:var(--hh-text)}
table.hh-table tbody td:first-child{
  position:sticky;left:0;z-index:2;
  background:var(--hh-bg-2);color:var(--hh-text);font-weight:600;
  border-right:1px solid rgba(255,255,255,.09);
  min-width:180px;
}
table.hh-table tbody tr:nth-child(odd) td:first-child{background:#0B1224}
table.hh-table tbody tr:hover td:first-child{background:#0E1A2E}
table.hh-table tbody tr:last-child td{border-bottom:0}
.hh-th-node{display:flex;flex-direction:column;gap:4px}
.hh-th-node span{font-size:12px;color:var(--hh-text-3);font-weight:400}
.hh-col-best{color:var(--hh-text)!important;font-weight:600}
.hh-mark{
  display:inline-flex;align-items:center;gap:6px;
}
.hh-mark svg{width:14px;height:14px;color:var(--hh-primary)}
.hh-mark.off{color:var(--hh-text-3)}
.hh-mark.off svg{color:rgba(255,255,255,.22)}
.hh-table-note{
  padding:16px 18px;font-size:13px;color:var(--hh-text-3);
  border-top:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.02);
}

/* ============ 图文混排 ============ */
.hh-media-card{
  display:flex;gap:22px;align-items:stretch;
  padding:18px;border-radius:var(--hh-r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.022));
  border:1px solid var(--hh-line);
  box-shadow:var(--hh-shadow),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .18s var(--hh-ease),border-color .18s var(--hh-ease),box-shadow .18s var(--hh-ease);
}
.hh-media-card:hover{transform:translateY(-4px);border-color:rgba(27,224,176,.32);box-shadow:var(--hh-shadow-hover)}
.hh-media-thumb{
  flex:0 0 40%;max-width:280px;border-radius:var(--hh-r-md);overflow:hidden;background:var(--hh-bg-3);
}
.hh-media-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .35s var(--hh-ease)}
.hh-media-card:hover .hh-media-thumb img{transform:scale(1.04)}
.hh-media-body{flex:1 1 auto;padding:6px 4px}
.hh-media-body h3{font-size:19px;line-height:1.4;font-weight:600;margin-bottom:10px}
.hh-media-body p{font-size:14.5px;color:var(--hh-text-2);margin-bottom:12px}
.hh-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;
  padding:6px 12px;border-radius:999px;border:1px solid var(--hh-line);background:var(--hh-glass);color:var(--hh-text-2);
}
.hh-badge.is-primary{color:var(--hh-primary);border-color:rgba(27,224,176,.36);background:rgba(27,224,176,.1)}
.hh-badge.is-warm{color:#FFA477;border-color:rgba(255,106,43,.4);background:rgba(255,106,43,.1)}
.hh-point-list li{
  position:relative;padding-left:16px;margin-bottom:8px;font-size:14.5px;color:var(--hh-text-2);
}
.hh-point-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;
  background:var(--hh-primary);box-shadow:0 0 10px rgba(27,224,176,.7);
}

/* ============ FAQ ============ */
.hh-faq .accordion-item{
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--hh-line);border-radius:var(--hh-r-md)!important;
  margin-bottom:14px;overflow:hidden;transition:border-color .18s var(--hh-ease),background .18s var(--hh-ease);
}
.hh-faq .accordion-item:hover{border-color:rgba(27,224,176,.28)}
.hh-faq .accordion-button{
  background:transparent;color:var(--hh-text);font-size:16px;font-weight:600;
  padding:20px 22px;box-shadow:none;border:0;
  transition:background .18s var(--hh-ease),color .18s var(--hh-ease);
}
.hh-faq .accordion-button::after{
  flex:0 0 auto;width:18px;height:18px;background-size:18px;background-image:none;
  border-right:2px solid var(--hh-text-3);border-bottom:2px solid var(--hh-text-3);
  transform:rotate(45deg);transition:transform .2s var(--hh-ease),border-color .2s var(--hh-ease);
  margin-left:auto;
}
.hh-faq .accordion-button:not(.collapsed){background:rgba(27,224,176,.08);color:var(--hh-primary);box-shadow:none}
.hh-faq .accordion-button:not(.collapsed)::after{border-color:var(--hh-primary);transform:rotate(-135deg)}
.hh-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--hh-primary);outline-offset:-2px}
.hh-faq .accordion-body{
  padding:4px 22px 22px;color:var(--hh-text-2);font-size:14.8px;
  border-left:3px solid var(--hh-primary);
}

/* ============ CTA ============ */
.hh-cta{
  position:relative;overflow:hidden;
  padding:44px;border-radius:var(--hh-r-lg);
  background:
    radial-gradient(700px 320px at 8% 0%,rgba(46,107,255,.24),transparent 60%),
    linear-gradient(150deg,rgba(255,255,255,.075),rgba(255,255,255,.022));
  border:1px solid var(--hh-line);
  box-shadow:var(--hh-shadow),inset 0 1px 0 rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.hh-cta h2{font-size:clamp(21px,2.6vw,28px);line-height:1.3;margin-bottom:10px}
.hh-cta p{margin:0;color:var(--hh-text-2);font-size:15px;max-width:44em}
.hh-cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.hh-footer{
  background:var(--hh-bg);
  border-top:1px solid transparent;
  padding:72px 0 28px;margin-top:96px;position:relative;
}
.hh-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(46,107,255,.7),rgba(27,224,176,.35),rgba(255,255,255,0));
}
.hh-footer h4{font-size:15px;font-weight:700;color:var(--hh-text);margin-bottom:18px}
.hh-f-brand p{color:var(--hh-text-2);font-size:14.5px;max-width:34em;margin:18px 0}
.hh-f-links{display:flex;flex-direction:column;gap:10px}
.hh-f-links a{font-size:14.5px;color:var(--hh-text-2);transition:color .18s var(--hh-ease),transform .18s var(--hh-ease)}
.hh-f-links a:hover{color:var(--hh-primary);transform:translateX(3px)}
.hh-social{display:flex;gap:10px}
.hh-social a{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--hh-line);background:var(--hh-glass);color:var(--hh-text-2);
  transition:all .18s var(--hh-ease);
}
.hh-social a:hover{color:var(--hh-primary);border-color:rgba(27,224,176,.45);transform:translateY(-2px)}
.hh-f-contact li{font-size:14.5px;color:var(--hh-text-2);margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}
.hh-f-contact li b{color:var(--hh-text);font-weight:600}
.hh-f-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.hh-f-bottom p,.hh-f-bottom a{font-size:13px;color:var(--hh-text-3);margin:0}
.hh-f-bottom .legal{display:flex;gap:18px;flex-wrap:wrap}
.hh-f-bottom a:hover{color:var(--hh-primary)}

/* ============ 移动抽屉 ============ */
.hh-drawer{
  position:fixed;inset:0;z-index:1200;pointer-events:none;
}
.hh-drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:280px;max-width:86vw;
  background:rgba(10,16,32,.94);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-left:1px solid var(--hh-line);
  padding:18px 18px 26px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(100%);transition:transform .26s var(--hh-ease);
  overflow-y:auto;
}
.hh-drawer.is-open{pointer-events:auto}
.hh-drawer.is-open .hh-drawer-panel{transform:translateX(0)}
.hh-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.hh-drawer-head span{font-weight:800;font-size:16px}
.hh-drawer-nav{display:flex;flex-direction:column}
.hh-drawer-nav a{
  font-size:18px;line-height:56px;color:var(--hh-text-2);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:color .18s var(--hh-ease),padding-left .18s var(--hh-ease);
}
.hh-drawer-nav a:hover,.hh-drawer-nav a.is-active{color:var(--hh-primary);padding-left:6px}
.hh-drawer .hh-btn{margin-top:20px}
.hh-backdrop{position:absolute;inset:0;background:rgba(3,6,12,.62);opacity:0;transition:opacity .26s var(--hh-ease)}
.hh-drawer.is-open .hh-backdrop{opacity:1}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);animation:hhFadeUp .6s var(--hh-ease) forwards}
.reveal:nth-child(2){animation-delay:.06s}
.reveal:nth-child(3){animation-delay:.12s}
.reveal:nth-child(4){animation-delay:.18s}
@keyframes hhFadeUp{to{opacity:1;transform:none}}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hh-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .hh-nav{display:none}
  .hh-burger{display:inline-flex}
  .hh-section{padding:80px 0}
  .hh-hero{padding:120px 0 56px;min-height:340px}
  .hh-cta{padding:32px}
}
@media (max-width:767px){
  .hh-header,.hh-nav-wrap{height:60px}
  .hh-logo-text{font-size:16px}
  .hh-hero{padding:104px 0 48px;min-height:320px}
  .hh-hero-sub{font-size:15.5px}
  .hh-hero-actions .hh-btn{flex:1 1 100%}
  .hh-section{padding:64px 0}
  .hh-section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .hh-media-card{flex-direction:column;gap:16px}
  .hh-media-thumb{flex:1 1 auto;max-width:none}
  .hh-cta{padding:26px 20px;flex-direction:column;align-items:flex-start}
  .hh-cta-actions{width:100%}
  .hh-cta-actions .hh-btn{flex:1 1 100%}
  .hh-f-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575px){
  .hh-stats{grid-template-columns:1fr}
  .hh-hero{padding:96px 0 44px}
  .hh-btn{height:44px;padding:0 22px}
  .hh-media-card{padding:14px}
  .hh-faq .accordion-button{padding:16px 16px;font-size:15px}
  .hh-faq .accordion-body{padding:2px 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}