/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#5B4BD8;
  --c-primary-deep:#4438B8;
  --c-primary-08:rgba(91,75,216,.08);
  --c-primary-04:rgba(91,75,216,.04);
  --c-primary-30:rgba(91,75,216,.30);
  --c-deep:#14103A;
  --c-deep-2:#241A66;
  --c-teal:#17BFA4;
  --c-teal-08:rgba(23,191,164,.10);
  --c-teal-30:rgba(23,191,164,.30);
  --c-amber:#FFB648;
  --c-amber-08:rgba(255,182,72,.14);
  --c-bg:#F6F5FE;
  --c-card:#FFFFFF;
  --c-text:#1B1830;
  --c-muted:#6A6788;
  --c-line:#E6E4F5;
  --c-error:#E5484D;

  --grad-brand:linear-gradient(120deg,#5B4BD8 0%,#7C4DFF 52%,#17BFA4 100%);
  --grad-deep:linear-gradient(160deg,#14103A 0%,#241A66 60%,#372170 100%);

  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;

  --sh1:0 1px 2px rgba(28,20,74,.06);
  --sh2:0 10px 30px -12px rgba(28,20,74,.18);
  --sh3:0 24px 60px -20px rgba(91,75,216,.35);

  --ease:cubic-bezier(.2,.7,.3,1);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:3px solid var(--c-primary-30);outline-offset:2px;border-radius:6px}
::selection{background:rgba(91,75,216,.18)}

/* ============ 容器与通用工具 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.section{padding:96px 0}
.section--tint{background:#fff}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px}
.section__title{font-size:34px;line-height:1.2;font-weight:700;letter-spacing:-.01em}
.section__desc{margin-top:12px;font-size:16px;line-height:1.75;color:var(--c-muted);max-width:640px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.text-link::after{content:"→";transition:transform var(--t)}
.text-link:hover{color:var(--c-teal)}
.text-link:hover::after{transform:translateX(4px)}

/* ============ 按钮 ============ */
.c-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.c-btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(91,75,216,.75)}
.c-btn--primary:hover{transform:translateY(-2px);box-shadow:var(--sh3)}
.c-btn--primary:active{transform:translateY(0);filter:brightness(.96)}
.c-btn--ghost{border:1px solid rgba(255,255,255,.36);color:#fff;background:rgba(255,255,255,.06)}
.c-btn--ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6)}
.c-btn--outline{border:1px solid var(--c-primary-30);color:var(--c-primary);background:#fff}
.c-btn--outline:hover{background:var(--c-primary-04);border-color:var(--c-primary)}
.c-btn--sm{height:40px;padding:0 20px;font-size:15px}
.c-btn--block{width:100%}
.c-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 徽章 ============ */
.u-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.6;
}
.u-badge--md{padding:6px 14px;font-size:13px}
.u-badge--primary{background:var(--c-primary-08);color:var(--c-primary);border:1px solid rgba(91,75,216,.18)}
.u-badge--teal{background:var(--c-teal-08);color:#0E8F7B;border:1px solid var(--c-teal-30)}
.u-badge--amber{background:var(--c-amber-08);color:#9A6209;border:1px solid rgba(255,182,72,.42)}
.u-badge--plain{background:#F2F1FB;color:var(--c-muted);border:1px solid var(--c-line)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand__mark{width:40px;height:40px;flex:0 0 auto}
.brand__name{font-size:19px;font-weight:700;letter-spacing:0}
.brand__name span{color:var(--c-primary)}
.brand__tag{display:block;font-size:12px;font-weight:500;color:var(--c-muted);line-height:1.4}
.header-actions{display:flex;align-items:center;gap:20px}
.header-tel{font-size:14px;font-weight:600;color:var(--c-muted);font-variant-numeric:tabular-nums}
.header-tel:hover{color:var(--c-primary)}

.channel-row{border-top:1px solid var(--c-line)}
.channel-nav{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:16px;color:#3B3860;white-space:nowrap;
}
.channel-link:hover{background:var(--c-primary-04);color:var(--c-primary)}
.channel-link.is-active{
  background:var(--c-primary-08);color:var(--c-primary);font-weight:600;
  box-shadow:inset 0 -2px 0 0 var(--c-primary);
}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--grad-deep);color:#fff;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.44}
.hero__veil{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(20,16,58,.95) 0%,rgba(20,16,58,.82) 44%,rgba(20,16,58,.46) 100%);
}
.hero__dots{
  position:absolute;inset:0;z-index:-1;opacity:.3;pointer-events:none;
  background:
    radial-gradient(circle at 18% 22%,rgba(255,255,255,.55) 1px,transparent 1.6px) 0 0/190px 190px,
    radial-gradient(circle at 72% 68%,rgba(255,255,255,.4) 1px,transparent 1.6px) 0 0/260px 260px;
}
.hero__inner{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center;padding:96px 0}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:600;color:#D9D5FF;
}
.hero__eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--c-teal);box-shadow:0 0 0 4px rgba(23,191,164,.22)}
.hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.3vw,52px);
  line-height:1.2;font-weight:700;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#A99BFF,#17BFA4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__lead{margin-top:20px;max-width:560px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__trust{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero__trust div{font-size:13px;color:rgba(255,255,255,.62)}
.hero__trust b{
  display:block;font-size:24px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-bottom:2px;
}

.hero__panel{position:relative;min-height:360px}
.hero-card{
  position:absolute;background:var(--c-card);color:var(--c-text);
  border-radius:var(--r-lg);padding:24px;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh3);
}
.hero-card--a{top:0;left:0;width:76%}
.hero-card--b{bottom:0;right:0;width:72%}
.hero-card__label{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;font-weight:600;color:var(--c-muted)}
.hero-card__value{margin-top:14px;font-size:38px;font-weight:700;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--c-primary)}
.hero-card__value small{font-size:15px;font-weight:600;color:var(--c-muted);margin-left:4px}
.hero-card--b .hero-card__value{color:var(--c-deep)}
.hero-card__bars{display:flex;align-items:flex-end;gap:5px;height:42px;margin-top:18px}
.hero-card__bars span{flex:1;background:var(--c-primary-08);border-radius:3px}
.hero-card__bars span.on{background:var(--c-primary-30)}
.hero-card__bars span:nth-child(1){height:36%}
.hero-card__bars span:nth-child(2){height:54%}
.hero-card__bars span:nth-child(3){height:42%}
.hero-card__bars span:nth-child(4){height:72%}
.hero-card__bars span:nth-child(5){height:58%}
.hero-card__bars span:nth-child(6){height:86%}
.hero-card__bars span:nth-child(7){height:66%}
.hero-card__bars span:nth-child(8){height:94%}

/* ============ 指标看板 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.c-card--metric{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px 22px;position:relative;overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.c-card--metric:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:var(--c-primary-30)}
.c-card--metric::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
  opacity:.85;
}
.c-metric__value{
  font-size:44px;font-weight:700;line-height:1.05;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;color:var(--c-primary);
}
.c-card--metric:nth-child(even) .c-metric__value{color:var(--c-deep)}
.c-metric__value small{font-size:15px;font-weight:600;color:var(--c-muted);margin-left:5px;letter-spacing:0}
.c-metric__name{margin-top:10px;font-size:14px;color:var(--c-muted)}
.c-metric__badge{margin-top:14px}
.c-metric__track{margin-top:18px;height:3px;border-radius:3px;background:#F0EFFA;overflow:hidden}
.c-metric__track i{display:block;height:100%;border-radius:3px;background:var(--grad-brand)}

/* ============ 服务矩阵 2+3 ============ */
.svc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.c-card--svc{
  position:relative;display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.c-card--svc:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:var(--c-primary-30)}
.c-card--svc:nth-child(1){grid-column:span 3;min-height:250px}
.c-card--svc:nth-child(2){grid-column:span 3;min-height:250px}
.c-card--svc:nth-child(3),
.c-card--svc:nth-child(4),
.c-card--svc:nth-child(5){grid-column:span 2;min-height:224px}
.svc__no{font-size:14px;font-weight:700;color:var(--c-amber);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.svc__name{margin-top:16px;font-size:22px;font-weight:700;line-height:1.3}
.svc__text{margin-top:12px;font-size:16px;line-height:1.75;color:var(--c-muted)}
.svc__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:22px}
.svc__arrow{
  position:absolute;right:24px;bottom:22px;
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);color:var(--c-primary);font-size:16px;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.c-card--svc:hover .svc__arrow{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateX(3px)}
.svc-more{margin-top:40px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}

/* ============ 结果对比 ============ */
.compare-wrap{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-xl);
  overflow:hidden;
}
.compare-head{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px;
  padding:22px 32px;background:#FAF9FF;border-bottom:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-muted);
}
.compare-head span:nth-child(3){color:var(--c-primary)}
.compare-row{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px;align-items:center;
  padding:20px 32px;border-bottom:1px solid var(--c-line);
  transition:background-color var(--t);
}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:#FCFBFF}
.compare-row__name{font-size:16px;font-weight:600}
.compare-row__name em{display:block;font-style:normal;font-size:13px;font-weight:500;color:var(--c-muted);margin-top:4px}
.compare-row__old{font-size:16px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.compare-row__new{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;
}
.compare-note{margin-top:20px;font-size:13px;color:var(--c-muted)}

/* ============ 资讯卡片 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.c-card--news{
  display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.c-card--news:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:var(--c-primary-30)}
.c-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad-deep);display:block}
.c-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.c-card--news:hover .c-card__media img{transform:scale(1.04)}
.c-card__body{display:flex;flex-direction:column;flex:1;padding:22px 22px 20px}
.c-card__title{margin-top:14px;font-size:19px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.c-card__excerpt{margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.c-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;
}
.c-card__more{font-weight:600;color:var(--c-primary)}
.c-card--news:hover .c-card__more{color:var(--c-teal)}

/* ============ 空态 ============ */
.is-empty{
  border:1px dashed var(--c-primary-30);border-radius:var(--r-lg);
  background:#FBFAFF;padding:52px 24px;text-align:center;color:var(--c-muted);font-size:15px;
}
.is-empty a{display:inline-block;margin-top:10px;color:var(--c-primary);font-weight:600}

/* ============ FAQ ============ */
.faq-box{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:16px}
.faq-item{border-radius:var(--r-md);transition:background-color var(--t)}
.faq-item + .faq-item{margin-top:8px}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:600;line-height:1.55;
  border-radius:var(--r-md);transition:background-color var(--t),color var(--t);
}
.faq-q:hover{background:var(--c-primary-04);color:var(--c-primary)}
.faq-icon{
  flex:0 0 auto;position:relative;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--c-primary-30);background:#fff;
  transition:transform var(--t),background-color var(--t),border-color var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  transform:translate(-50%,-50%);border-radius:2px;transition:background-color var(--t);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--c-primary);border-color:var(--c-primary)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease)}
.faq-a__inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-muted)}

/* ============ 表单 ============ */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-points{margin-top:28px;display:grid;gap:16px}
.contact-points li{display:flex;gap:12px;font-size:16px;line-height:1.75;color:var(--c-muted)}
.contact-points li b{color:var(--c-text);font-weight:600}
.dot{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--c-teal-08);border:1px solid var(--c-teal-30);margin-top:4px;position:relative}
.dot::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:7px;height:7px;border-radius:50%;background:var(--c-teal)}

.form-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:#38355A}
.field label span{color:var(--c-error)}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;
  border:1px solid var(--c-line);border-radius:var(--r-md);background:#FCFBFF;
  font-size:16px;transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.field textarea{height:132px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 4px rgba(91,75,216,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#A7A4BE}
.form-privacy{margin-top:14px;font-size:12px;line-height:1.7;color:var(--c-muted)}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--grad-deep);color:rgba(255,255,255,.76)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}
.footer-brand .brand__name{color:#fff}
.footer-brand .brand__tag{color:rgba(255,255,255,.55)}
.footer-about{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-links li + li{margin-top:12px}
.footer-links a,.footer-contact li{font-size:14px;color:rgba(255,255,255,.68);line-height:1.7}
.footer-links a:hover{color:var(--c-teal);text-decoration:underline;text-underline-offset:3px}
.footer-contact li + li{margin-top:12px}
.footer-contact b{display:block;color:#fff;font-weight:600;font-variant-numeric:tabular-nums}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 0 32px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero__inner{gap:40px}
  .metric-grid{gap:20px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .container{padding:0 20px}
  .hero__inner{grid-template-columns:1fr;gap:44px;padding:72px 0}
  .hero__panel{min-height:0}
  .hero-card{position:static;width:100%}
  .hero-card--b{margin-top:18px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .c-card--svc:nth-child(1),
  .c-card--svc:nth-child(2){grid-column:span 2}
  .c-card--svc:nth-child(3),
  .c-card--svc:nth-child(4),
  .c-card--svc:nth-child(5){grid-column:span 1}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 36px}
  .compare-head,.compare-row{grid-template-columns:1.2fr 1fr 1fr;padding-left:22px;padding-right:22px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .container{padding:0 16px}
  .brand-row{height:60px}
  .brand__mark{width:34px;height:34px}
  .brand__name{font-size:17px}
  .brand__tag{display:none}
  .header-tel{display:none}
  .channel-link{font-size:15px;padding:8px 13px}
  .section__head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .section__title{font-size:24px}
  .hero__inner{padding:56px 0}
  .hero__trust{gap:20px}
  .hero__trust b{font-size:20px}
  .hero-card__value{font-size:30px}
  .metric-grid{grid-template-columns:1fr;gap:16px}
  .c-metric__value{font-size:36px}
  .svc-grid{grid-template-columns:1fr}
  .c-card--svc:nth-child(1),
  .c-card--svc:nth-child(2),
  .c-card--svc:nth-child(3),
  .c-card--svc:nth-child(4),
  .c-card--svc:nth-child(5){grid-column:span 1;min-height:0}
  .svc__name{font-size:19px}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:8px;padding:20px}
  .compare-row__new{justify-content:flex-start}
  .news-grid{grid-template-columns:1fr}
  .faq-box{padding:10px}
  .faq-q{font-size:16px;padding:16px 14px}
  .form-card{padding:22px}
  .form-row{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 28px}
}
@media (max-width:479px){
  .hero h1{font-size:30px}
  .hero__cta .c-btn{width:100%}
  .hero__trust{display:grid;grid-template-columns:1fr 1fr;gap:16px;width:100%}
  .c-metric__value{font-size:32px}
  .footer-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: article */
:root{
  --c-primary:#5B4BD8;
  --c-primary-dark:#4A3BC0;
  --c-primary-soft:rgba(91,75,216,.08);
  --c-primary-soft-2:rgba(91,75,216,.04);
  --c-deep:#14103A;
  --c-teal:#17BFA4;
  --c-teal-soft:rgba(23,191,164,.10);
  --c-amber:#FFB648;
  --c-amber-soft:rgba(255,182,72,.14);
  --c-bg:#F6F5FE;
  --c-card:#FFFFFF;
  --c-text:#1B1830;
  --c-muted:#6A6788;
  --c-line:#E6E4F5;
  --c-error:#E5484D;
  --grad-brand:linear-gradient(120deg,#5B4BD8 0%,#7C4DFF 52%,#17BFA4 100%);
  --grad-deep:linear-gradient(160deg,#14103A 0%,#241A66 60%,#372170 100%);
  --r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;--r-pill:999px;
  --sh1:0 1px 2px rgba(28,20,74,.06);
  --sh2:0 10px 30px -12px rgba(28,20,74,.18);
  --sh3:0 24px 60px -20px rgba(91,75,216,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t) var(--ease);}
a:hover{color:var(--c-teal);}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 通用按钮 ============ */
.c-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.c-btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2);}
.c-btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh3);}
.c-btn--primary:active{transform:translateY(0);}
.c-btn--ghost{background:#fff;color:var(--c-deep);border-color:var(--c-line);box-shadow:var(--sh1);}
.c-btn--ghost:hover{color:var(--c-primary);border-color:rgba(91,75,216,.4);transform:translateY(-2px);}
.c-btn--sm{height:40px;padding:0 18px;font-size:15px;}
.c-btn--block{width:100%;}
.c-btn[disabled],.c-btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.u-badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
}
.u-badge--md{height:32px;padding:0 14px;font-size:13px;}
.u-badge--primary{background:var(--c-primary-soft);color:var(--c-primary);border-color:rgba(91,75,216,.22);}
.u-badge--teal{background:var(--c-teal-soft);color:#0E8C79;border-color:rgba(23,191,164,.28);}
.u-badge--amber{background:var(--c-amber-soft);color:#9A6100;border-color:rgba(255,182,72,.42);}

/* ============ 头部导航 ============ */
.site-header{background:#fff;border-bottom:1px solid var(--c-line);}
.site-header.is-sticky{position:sticky;top:0;z-index:60;}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-text);}
.brand:hover{color:var(--c-text);}
.brand__mark{width:40px;height:40px;flex:0 0 40px;}
.brand__name{display:flex;flex-direction:column;font-size:20px;font-weight:700;letter-spacing:.01em;line-height:1.15;}
.brand__name span{color:var(--c-primary);}
.brand__tag{font-size:12px;font-weight:500;color:var(--c-muted);letter-spacing:.02em;margin-top:2px;}
.header-actions{display:flex;align-items:center;gap:18px;}
.header-tel{font-size:14px;color:var(--c-muted);}
.header-tel:hover{color:var(--c-primary);}
.channel-row{border-top:1px solid var(--c-line);background:#fff;}
.channel-nav{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);font-size:15px;color:var(--c-muted);white-space:nowrap;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease);
}
.channel-link:hover{background:var(--c-primary-soft-2);color:var(--c-primary);}
.channel-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.channel-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-9px;
  width:20px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ============ 面包屑 ============ */
.crumbs{padding:28px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-muted);}
.crumbs li{display:flex;align-items:center;gap:10px;}
.crumbs li+li::before{content:"";width:5px;height:5px;border-radius:50%;background:#C9C4E6;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs [aria-current="page"]{color:var(--c-text);font-weight:600;}

/* ============ 文章头部 ============ */
.article-head{padding:22px 0 0;}
.article-head__inner{max-width:860px;}
.article-head h1{font-size:40px;line-height:1.28;letter-spacing:.01em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px;font-size:14px;color:var(--c-muted);}
.article-meta__item{display:inline-flex;align-items:center;gap:7px;}
.article-meta__dot{width:4px;height:4px;border-radius:50%;background:#C9C4E6;}
.article-meta b{color:var(--c-text);font-weight:600;}

/* ============ 封面 ============ */
.article-cover{margin-top:28px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh2);background:var(--grad-deep);}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;}

/* ============ 正文阅读区 ============ */
.read-wrap{padding:56px 0 0;}
.article-content{
  max-width:780px;margin:0 auto;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:48px 52px;font-size:17px;line-height:1.95;color:var(--c-text);
  box-shadow:var(--sh1);
}
.article-content>p{margin-bottom:1.2em;}
.article-content h2{
  position:relative;margin:48px 0 16px;padding-left:16px;font-size:26px;line-height:1.35;
}
.article-content h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-brand);}
.article-content h3{margin:32px 0 12px;font-size:21px;line-height:1.4;}
.article-content h2:first-child,.article-content h3:first-child{margin-top:0;}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding-left:22px;line-height:1.85;}
.article-content ul li{position:relative;padding-left:18px;margin-bottom:10px;}
.article-content ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);opacity:.55;}
.article-content ol{list-style:decimal;}
.article-content ol li{margin-bottom:10px;padding-left:4px;}
.article-content blockquote{
  margin:26px 0;padding:18px 22px;background:var(--c-primary-soft);border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;color:#3A3466;font-size:16.5px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-md);margin:26px auto 13px;}
.article-content figcaption{text-align:center;font-size:13.5px;color:var(--c-muted);margin-bottom:26px;}
.article-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--c-teal);}
.c-table-wrap{width:100%;overflow-x:auto;margin:24px 0;}
.article-content table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.article-content th,.article-content td{padding:12px 14px;border:1px solid var(--c-line);text-align:left;}
.article-content thead th{background:#F1EFFD;font-weight:600;color:var(--c-deep);}
.article-content tbody tr:nth-child(even){background:#FAF9FF;}
.article-content hr{border:0;border-top:1px solid var(--c-line);margin:36px 0;}
.article-content code{background:#F1EFFD;border-radius:6px;padding:2px 6px;font-size:15px;color:#483C9E;}

/* 空态 */
.c-empty{
  max-width:780px;margin:0 auto;padding:52px 32px;text-align:center;
  background:rgba(255,255,255,.7);border:1px dashed #C9C4E6;border-radius:var(--r-lg);
}
.c-empty__text{color:var(--c-muted);font-size:16px;}
.c-empty__link{display:inline-block;margin-top:14px;font-weight:600;color:var(--c-primary);}

/* ============ 标签行 ============ */
.tag-row{max-width:780px;margin:26px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-row__label{font-size:14px;color:var(--c-muted);}

/* ============ 返回入口 ============ */
.article-foot{max-width:780px;margin:26px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.article-foot__back{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;color:var(--c-text);font-size:15px;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.article-foot__back:hover{color:var(--c-primary);border-color:rgba(91,75,216,.4);transform:translateY(-2px);box-shadow:var(--sh2);}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:26px;}
.section-head p{margin-top:8px;font-size:15px;color:var(--c-muted);}
.section-head__link{font-size:15px;font-weight:600;white-space:nowrap;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.c-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;color:var(--c-text);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(91,75,216,.3);color:var(--c-text);}
.c-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad-deep);}
.c-card__media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.c-card:hover .c-card__media img{transform:scale(1.04);}
.c-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.c-card__title{font-size:19px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.c-card__desc{font-size:15px;line-height:1.7;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.c-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--c-muted);}
.c-card__arrow{font-weight:600;color:var(--c-primary);}

/* ============ 转化条 ============ */
.cta-strip{padding:72px 0 88px;}
.cta-strip__inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--grad-deep);border-radius:var(--r-xl);padding:40px 44px;color:#fff;
  position:relative;overflow:hidden;
}
.cta-strip__inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,77,255,.55) 0%,rgba(124,77,255,0) 68%);opacity:.35;pointer-events:none;
}
.cta-strip h2{font-size:26px;color:#fff;}
.cta-strip p{margin-top:10px;font-size:15px;color:#C7C2E8;max-width:620px;}
.cta-strip .c-btn--primary{box-shadow:none;}
.cta-strip .c-btn--primary:hover{box-shadow:0 18px 40px -16px rgba(0,0,0,.55);}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--grad-deep);color:#D8D4F0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand__mark{width:38px;height:38px;flex:0 0 38px;}
.footer-brand .brand__name{font-size:19px;color:#fff;}
.footer-brand .brand__name span{color:#A99BFF;}
.footer-about{font-size:14px;line-height:1.8;color:#B9B3DF;max-width:360px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#B9B3DF;}
.footer-links a:hover{color:var(--c-teal);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{font-size:14px;color:#B9B3DF;margin-bottom:10px;}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;font-size:13px;color:#9C96C6;
}

/* ============ 断点 ============ */
@media (max-width:1279px){
  .article-head h1{font-size:36px;}
  .card-grid{gap:20px;}
}
@media (max-width:1023px){
  .brand-row{height:64px;}
  .article-head h1{font-size:32px;}
  .article-content{padding:40px 36px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 32px;}
  .related,.cta-strip{padding-top:56px;}
  .cta-strip{padding-bottom:64px;}
  .cta-strip__inner{padding:32px 28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .brand-row{height:60px;gap:10px;}
  .brand__name{font-size:17px;}
  .brand__tag{display:none;}
  .header-tel{display:none;}
  .site-header.is-sticky{position:static;}
  .channel-nav{height:48px;}
  .channel-link{height:32px;padding:0 13px;font-size:14px;}
  .channel-link.is-active::after{bottom:-8px;}
  .crumbs{padding-top:18px;}
  .article-head h1{font-size:26px;}
  .article-cover{margin-top:20px;border-radius:var(--r-md);}
  .article-cover img{aspect-ratio:16/10;}
  .read-wrap{padding-top:36px;}
  .article-content{padding:26px 20px;border-radius:var(--r-md);font-size:16px;line-height:1.9;}
  .article-content h2{font-size:21px;margin-top:36px;padding-left:13px;}
  .article-content h3{font-size:18px;margin-top:26px;}
  .article-content ul,.article-content ol{padding-left:18px;}
  .related{padding-top:44px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .cta-strip{padding:44px 0 52px;}
  .cta-strip__inner{padding:28px 20px;border-radius:var(--r-lg);}
  .cta-strip h2{font-size:21px;}
  .cta-strip .c-btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:479px){
  .article-head h1{font-size:23px;}
  .article-content{padding:22px 16px;}
  .article-meta{gap:8px 12px;font-size:13px;}
  .c-card__title{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .c-card:hover,.c-btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-primary:#5B4BD8;
  --c-primary-08:rgba(91,75,216,.08);
  --c-primary-04:rgba(91,75,216,.04);
  --c-primary-30:rgba(91,75,216,.30);
  --c-deep:#14103A;
  --c-deep-2:#241A66;
  --c-teal:#17BFA4;
  --c-teal-08:rgba(23,191,164,.10);
  --c-amber:#FFB648;
  --c-amber-08:rgba(255,182,72,.14);
  --c-bg:#F6F5FE;
  --c-card:#FFFFFF;
  --c-text:#1B1830;
  --c-text-2:#6A6788;
  --c-line:#E6E4F5;
  --c-danger:#E5484D;
  --grad-brand:linear-gradient(120deg,#5B4BD8 0%,#7C4DFF 52%,#17BFA4 100%);
  --grad-deep:linear-gradient(160deg,#14103A 0%,#241A66 60%,#372170 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(28,20,74,.06);
  --sh2:0 10px 30px -12px rgba(28,20,74,.18);
  --sh3:0 24px 60px -20px rgba(91,75,216,.35);
  --sp:8px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--c-teal);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:var(--r-sm);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);}
.brand-row{height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-text);}
.brand:hover{color:var(--c-text);}
.brand__mark{width:40px;height:40px;flex:0 0 40px;}
.brand__name{display:flex;flex-direction:column;font-size:20px;font-weight:700;line-height:1.15;letter-spacing:-.01em;}
.brand__name span{color:var(--c-primary);}
.brand__name span{display:inline;}
.brand__tag{font-size:12px;font-weight:400;color:var(--c-text-2);letter-spacing:0;margin-top:2px;}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-tel{font-size:14px;color:var(--c-text-2);white-space:nowrap;}
.header-tel:hover{color:var(--c-primary);}
.channel-row{border-top:1px solid var(--c-line);}
.channel-nav{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:8px 16px;
  border-radius:var(--r-pill);font-size:15px;color:var(--c-text-2);white-space:nowrap;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.channel-link:hover{background:var(--c-primary-04);color:var(--c-primary);}
.channel-link.is-active{background:var(--c-primary-08);color:var(--c-primary);font-weight:600;}
.channel-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-9px;height:2px;border-radius:2px;background:var(--c-primary);
}

/* ---------- Buttons ---------- */
.c-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-md);
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.c-btn--primary{background-image:var(--grad-brand);color:#fff;box-shadow:var(--sh2);}
.c-btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh3);}
.c-btn--primary:active{transform:translateY(0);}
.c-btn--ghost{background:#fff;border-color:var(--c-line);color:var(--c-text);}
.c-btn--ghost:hover{border-color:var(--c-primary-30);color:var(--c-primary);transform:translateY(-2px);}
.c-btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-sm);}
.c-btn--white{background:#fff;color:var(--c-deep);}
.c-btn--white:hover{color:var(--c-primary);transform:translateY(-2px);box-shadow:0 18px 40px -18px rgba(0,0,0,.5);}
.c-btn[disabled],.c-btn.is-loading{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- Badges ---------- */
.u-badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;line-height:1;font-weight:600;letter-spacing:0;
  background:var(--c-primary-08);color:var(--c-primary);border:1px solid var(--c-primary-30);
}
.u-badge--md{height:32px;padding:0 14px;font-size:13px;}
.u-badge--teal{background:var(--c-teal-08);color:#0E8A76;border-color:rgba(23,191,164,.35);}
.u-badge--amber{background:var(--c-amber-08);color:#9A6207;border-color:rgba(255,182,72,.45);}
.u-badge--plain{background:#fff;color:var(--c-text-2);border-color:var(--c-line);}

/* ---------- Breadcrumb ---------- */
.c-crumb{padding:24px 0 8px;}
.c-crumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);}
.c-crumb__list li{display:flex;align-items:center;gap:8px;}
.c-crumb__list li+li::before{content:"/";color:#B9B6D2;}
.c-crumb__list a{color:var(--c-text-2);}
.c-crumb__list a:hover{color:var(--c-primary);}
.c-crumb__list [aria-current="page"]{color:var(--c-text);font-weight:600;}

/* ---------- Section base ---------- */
.section{padding:96px 0;}
.section--tight{padding:56px 0 96px;}
.section__head{max-width:760px;margin-bottom:40px;}
.section__title{font-size:34px;line-height:1.2;font-weight:700;letter-spacing:-.01em;}
.section__desc{margin-top:14px;font-size:16px;color:var(--c-text-2);}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;border-radius:var(--r-xl);
  background-image:var(--grad-deep);
  padding:64px 56px 56px;
  box-shadow:var(--sh3);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.38;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 18%,rgba(255,255,255,.16),transparent 42%),
    linear-gradient(100deg,rgba(20,16,58,.92) 0%,rgba(20,16,58,.72) 48%,rgba(36,26,102,.45) 100%);
}
.cat-hero__inner{position:relative;z-index:2;max-width:820px;}
.cat-hero__eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;color:#EDEAFF;}
.cat-hero h1{margin-top:20px;font-size:52px;line-height:1.16;font-weight:700;letter-spacing:-.02em;}
.cat-hero h1 em{font-style:normal;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-hero__lead{margin-top:18px;max-width:660px;font-size:17px;line-height:1.8;color:rgba(240,238,255,.86);}
.cat-hero__badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.cat-hero__badges .u-badge{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24);color:#F1EFFF;}
.cat-hero__badges .u-badge--teal{background:rgba(23,191,164,.18);border-color:rgba(23,191,164,.5);color:#8CF0DF;}
.cat-hero__badges .u-badge--amber{background:rgba(255,182,72,.18);border-color:rgba(255,182,72,.5);color:#FFD79B;}

/* ---------- Tag row ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.tag-pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);font-size:14px;color:var(--c-text-2);
  transition:all var(--dur) var(--ease);
}
.tag-pill:hover{border-color:var(--c-primary-30);color:var(--c-primary);background:var(--c-primary-04);transform:translateY(-2px);}
.tag-pill.is-active{background:var(--c-primary-08);border-color:var(--c-primary-30);color:var(--c-primary);font-weight:600;}

/* ---------- Metric strip ---------- */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;
}
.metric-chip{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.metric-chip:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:var(--c-primary-30);}
.metric-chip__num{font-size:38px;line-height:1.1;font-weight:700;color:var(--c-primary);}
.metric-chip:nth-child(even) .metric-chip__num{color:var(--c-deep);}
.metric-chip__num small{font-size:14px;font-weight:500;color:var(--c-text-2);margin-left:4px;}
.metric-chip__label{margin-top:10px;font-size:14px;color:var(--c-text-2);}
.metric-chip__bar{margin-top:16px;height:3px;border-radius:3px;background:var(--c-line);overflow:hidden;}
.metric-chip__bar i{display:block;height:100%;border-radius:3px;background-image:var(--grad-brand);}

/* ---------- Feature cards ---------- */
.feature-list{display:grid;gap:28px;margin-top:40px;}
.c-feature{
  display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:28px;overflow:hidden;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.c-feature:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:var(--c-primary-30);}
.c-feature__media{position:relative;aspect-ratio:16/10;background-image:var(--grad-deep);overflow:hidden;}
.c-feature__media img{width:100%;height:100%;object-fit:cover;}
.c-feature__body{padding:32px 36px;display:flex;flex-direction:column;gap:12px;justify-content:center;}
.c-feature__body h3{font-size:22px;line-height:1.35;font-weight:700;}
.c-feature__body p{font-size:16px;line-height:1.8;color:var(--c-text-2);}
.c-feature__tags{display:flex;flex-wrap:wrap;gap:8px;}
.c-feature__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px;border-top:1px solid var(--c-line);margin-top:6px;}
.c-feature__meta span{font-size:13px;color:var(--c-text-2);}
.c-feature__link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.c-feature__link:hover{color:var(--c-teal);}
.c-feature:nth-child(even){grid-template-columns:minmax(0,1fr) minmax(0,300px);}
.c-feature:nth-child(even) .c-feature__media{order:2;}

/* ---------- Consult bar ---------- */
.consult{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:48px 56px;
  background-image:var(--grad-deep);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.consult::before{
  content:"";position:absolute;inset:0;opacity:.28;
  background:radial-gradient(circle at 88% 22%,rgba(23,191,164,.5),transparent 46%);
}
.consult__text{position:relative;z-index:2;max-width:660px;}
.consult h2{font-size:28px;line-height:1.3;font-weight:700;}
.consult p{margin-top:10px;font-size:16px;color:rgba(238,236,255,.84);}
.consult__actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;margin-top:96px;color:rgba(232,230,250,.86);
  background-image:var(--grad-deep);padding-top:1px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background-image:var(--grad-brand);}
.site-footer .container{padding-top:72px;padding-bottom:32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand .brand__mark{width:36px;height:36px;flex:0 0 36px;}
.footer-brand .brand__name{color:#fff;font-size:19px;}
.footer-about{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(224,221,246,.72);max-width:340px;}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links li+li,.footer-contact li+li{margin-top:12px;}
.footer-links a{font-size:14px;color:rgba(224,221,246,.78);}
.footer-links a:hover{color:var(--c-teal);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{font-size:14px;color:rgba(224,221,246,.72);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(214,211,240,.66);
}

/* ---------- Empty / loading ---------- */
.is-empty{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);
  padding:40px 24px;text-align:center;color:var(--c-text-2);font-size:15px;
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .cat-hero{padding:56px 44px 48px;}
  .cat-hero h1{font-size:44px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:40px 0 72px;}
  .section__title{font-size:28px;}
  .cat-hero{padding:48px 32px 40px;border-radius:var(--r-lg);}
  .cat-hero h1{font-size:36px;}
  .metric-strip{grid-template-columns:repeat(2,1fr);gap:16px;}
  .c-feature,.c-feature:nth-child(even){grid-template-columns:1fr;}
  .c-feature:nth-child(even) .c-feature__media{order:0;}
  .c-feature__body{padding:28px;}
  .consult{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .brand-row{height:60px;}
  .brand__name{font-size:17px;}
  .brand__tag{display:none;}
  .header-tel{display:none;}
  .channel-nav{height:48px;}
  .channel-link{padding:8px 12px;font-size:14px;}
  .channel-link.is-active::after{left:12px;right:12px;bottom:-8px;}
  .section{padding:56px 0;}
  .section__title{font-size:24px;}
  .cat-hero{padding:36px 20px 32px;}
  .cat-hero h1{font-size:30px;}
  .cat-hero__lead{font-size:16px;}
  .metric-chip{padding:20px;}
  .metric-chip__num{font-size:32px;}
  .c-feature__body{padding:24px 20px;}
  .c-feature__body h3{font-size:19px;}
  .consult{padding:32px 20px;border-radius:var(--r-lg);}
  .consult h2{font-size:22px;}
  .site-footer .container{padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .cat-hero h1{font-size:26px;}
  .metric-strip{grid-template-columns:1fr;}
  .c-btn{width:100%;}
  .consult__actions{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --c-primary:#5B4BD8;
  --c-primary-soft:rgba(91,75,216,.08);
  --c-primary-line:rgba(91,75,216,.30);
  --c-deep:#14103A;
  --c-teal:#17BFA4;
  --c-amber:#FFB648;
  --c-bg:#F6F5FE;
  --c-card:#FFFFFF;
  --c-text:#1B1830;
  --c-muted:#6A6788;
  --c-line:#E6E4F5;
  --c-error:#E5484D;
  --grad-brand:linear-gradient(120deg,#5B4BD8 0%,#7C4DFF 52%,#17BFA4 100%);
  --grad-deep:linear-gradient(160deg,#14103A 0%,#241A66 60%,#372170 100%);
  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh1:0 1px 2px rgba(28,20,74,.06);
  --sh2:0 10px 30px -12px rgba(28,20,74,.18);
  --sh3:0 24px 60px -20px rgba(91,75,216,.35);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --sp:8px;
}
*,*::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;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:17px;
  line-height:1.75;
  letter-spacing:0;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-teal)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em;margin:0}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(91,75,216,.18)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.is-empty{background:rgba(91,75,216,.04);border:1px dashed var(--c-primary-line);border-radius:var(--r-lg);padding:32px;text-align:center;color:var(--c-muted);font-size:15px}
.is-loading{position:relative;overflow:hidden;color:transparent;background:linear-gradient(90deg,#EFEDFB 25%,#F7F6FE 37%,#EFEDFB 63%);background-size:400% 100%;animation:shimmer 1.4s linear infinite}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}

/* ---------- 按钮 ---------- */
.c-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.c-btn--sm{height:40px;padding:0 20px;font-size:14px}
.c-btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2)}
.c-btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh3)}
.c-btn--primary:active{transform:translateY(0);box-shadow:var(--sh1)}
.c-btn--ghost{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary-line)}
.c-btn--ghost:hover{color:var(--c-primary);background:rgba(91,75,216,.14);transform:translateY(-2px)}
.c-btn--white{background:#fff;color:var(--c-deep);box-shadow:0 10px 26px -14px rgba(20,16,58,.6)}
.c-btn--white:hover{color:var(--c-primary);transform:translateY(-2px)}
.c-btn:disabled,.c-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 ---------- */
.u-badge{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;border:1px solid var(--c-line);background:#fff;color:var(--c-muted);font-variant-numeric:tabular-nums}
.u-badge--purple{color:var(--c-primary);border-color:rgba(91,75,216,.28);background:rgba(91,75,216,.07)}
.u-badge--teal{color:#0E8F7C;border-color:rgba(23,191,164,.35);background:rgba(23,191,164,.09)}
.u-badge--amber{color:#A9680A;border-color:rgba(255,182,72,.55);background:rgba(255,182,72,.15)}
.u-badge--sm{height:24px;font-size:12px;padding:0 10px}

/* ---------- 页头 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.brand-row{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-text)}
.brand:hover{color:var(--c-text)}
.brand__mark{width:40px;height:40px;flex:none}
.brand__name{display:flex;flex-direction:column;font-size:20px;font-weight:700;line-height:1.15}
.brand__name span{color:var(--c-primary)}
.brand__tag{font-size:12px;font-weight:400;color:var(--c-muted);margin-top:3px;letter-spacing:0}
.header-actions{display:flex;align-items:center;gap:18px}
.header-tel{font-size:14px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.header-tel:hover{color:var(--c-primary)}
.channel-row{border-top:1px solid var(--c-line);background:#fff}
.channel-nav{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);font-size:15px;color:var(--c-muted);white-space:nowrap;
  transition:background-color var(--t),color var(--t),box-shadow var(--t);
}
.channel-link:hover{background:rgba(91,75,216,.04);color:var(--c-primary)}
.channel-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;box-shadow:inset 0 -2px 0 var(--c-primary)}

/* ---------- 面包屑 ---------- */
.crumb{padding:26px 0 0}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;font-size:14px;color:var(--c-muted)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C6C2E4}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb [aria-current="page"]{color:var(--c-text);font-weight:600}

/* ---------- 标题区 ---------- */
.page-head{padding:32px 0 0}
.page-head__grid{display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:start}
.page-head__title{font-size:52px;letter-spacing:-.02em}
.page-head__title span{display:block}
.page-head__title small{display:block;margin-top:14px;font-size:20px;font-weight:400;color:var(--c-muted);letter-spacing:0;line-height:1.5}
.page-head__lead{margin:20px 0 22px;font-size:17px;color:var(--c-muted);max-width:560px}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px}
.page-head__side{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh1)}
.page-head__side-title{font-size:19px;margin-bottom:10px}
.page-head__side p{font-size:15px;color:var(--c-muted)}
.meta-list{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-direction:column;gap:12px}
.meta-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text);padding-top:12px;border-top:1px solid var(--c-line)}
.meta-list li:first-child{padding-top:0;border-top:0}
.meta-list b{color:var(--c-primary);font-variant-numeric:tabular-nums;font-weight:700;flex:none}

/* ---------- 宽幅图 ---------- */
.media-band{position:relative;margin-top:44px;height:296px;border-radius:var(--r-lg);overflow:hidden;background:var(--grad-deep)}
.media-band img{width:100%;height:100%;object-fit:cover;opacity:.9}
.media-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,16,58,.82) 0%,rgba(20,16,58,.42) 55%,rgba(20,16,58,.16) 100%)}
.media-band__caption{position:absolute;left:36px;bottom:32px;z-index:2;max-width:560px;color:#fff}
.media-band__caption h2{font-size:24px;color:#fff;margin-bottom:8px}
.media-band__caption p{font-size:15px;color:rgba(255,255,255,.86)}

/* ---------- 分栏 ---------- */
.split{padding:72px 0 88px}
.split__grid{display:grid;grid-template-columns:1.62fr 1fr;gap:32px;align-items:start}
.section-head{margin-bottom:28px;max-width:640px}
.section-head h2{font-size:34px;margin-bottom:12px}
.section-head p{font-size:16px;color:var(--c-muted)}
.content-stack{display:flex;flex-direction:column;gap:16px}
.c-card--step{
  display:grid;grid-template-columns:auto 1fr;gap:20px;padding:24px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.c-card--step:hover{transform:translateY(-3px);box-shadow:var(--sh3);border-color:var(--c-primary-line)}
.step-num{
  width:40px;height:40px;flex:none;display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);font-size:14px;font-weight:800;color:#A9680A;
  background:rgba(255,182,72,.16);border:1px solid rgba(255,182,72,.42);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.c-card--step h3{font-size:19px;margin-bottom:8px}
.c-card--step p{font-size:16px;color:var(--c-muted);line-height:1.75}
.c-card--step .step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

.side-card{
  position:sticky;top:140px;background:#fff;border:1px solid var(--c-primary-line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh2);
}
.side-card__media{aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;background:var(--grad-deep);margin-bottom:18px}
.side-card__media img{width:100%;height:100%;object-fit:cover}
.side-card h3{font-size:20px;margin-bottom:10px}
.side-card p{font-size:15px;color:var(--c-muted)}
.side-card .c-btn{width:100%;margin-top:18px}
.side-card__link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:15px;font-weight:600;color:var(--c-primary)}
.side-card__link:hover{color:var(--c-teal);text-decoration:underline;text-underline-offset:3px}
.side-card__note{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line);font-size:12px;color:var(--c-muted)}

/* ---------- 对比区 ---------- */
.compare{padding:0 0 96px}
.compare-head{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:20px;padding:0 22px 12px;font-size:14px;color:var(--c-muted)}
.compare-head span:last-child{color:var(--c-primary);font-weight:700}
.compare-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
.compare-row{
  display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:20px;align-items:center;
  padding:22px;border-top:1px solid var(--c-line);transition:background-color var(--t);
}
.compare-row:first-child{border-top:0}
.compare-row:nth-child(even){background:#FBFAFF}
.compare-row:hover{background:rgba(91,75,216,.045)}
.compare-row__name{font-size:16px;font-weight:600}
.compare-cell{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.compare-cell.is-best{color:var(--c-primary);font-weight:700}
.mini-badge{
  display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:var(--r-pill);
  font-size:11px;font-weight:700;color:#0E8F7C;background:rgba(23,191,164,.13);
  border:1px solid rgba(23,191,164,.34);flex:none;
}
.compare-note{margin-top:14px;font-size:13px;color:var(--c-muted)}

/* ---------- 底部 CTA ---------- */
.cta-wrap{padding:0 0 96px}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:44px;border-radius:var(--r-xl);background:var(--grad-brand);color:#fff;
  box-shadow:var(--sh3);
}
.cta-band h2{font-size:30px;color:#fff;margin-bottom:10px}
.cta-band p{font-size:16px;color:rgba(255,255,255,.9);max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--grad-deep);color:#D9D6F2}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:32px;padding:72px 0 34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand__name{color:#fff}
.footer-brand .brand__tag{color:#9C96C6}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-links a{color:#B9B4DC}
.footer-links a:hover{color:var(--c-teal);text-decoration:underline;text-underline-offset:3px}
.footer-about{margin:0;font-size:14px;line-height:1.8;color:#B9B4DC;max-width:360px}
.footer-contact{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px;color:#B9B4DC}
.footer-contact b{color:#fff;font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:20px 0 34px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#9791C0}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .page-head__title{font-size:46px}
  .split__grid{gap:26px}
}
@media (max-width:1023px){
  .page-head__grid{grid-template-columns:1fr;gap:28px}
  .page-head__title{font-size:38px}
  .page-head__title small{font-size:18px}
  .media-band{height:250px}
  .split{padding:56px 0 64px}
  .split__grid{grid-template-columns:1fr}
  .side-card{position:static;top:auto}
  .section-head h2,.cta-band h2{font-size:26px}
  .compare{padding-bottom:64px}
  .cta-wrap{padding-bottom:64px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 28px}
  .footer-about{max-width:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .site-header{position:static}
  .brand-row{height:60px}
  .brand__mark{width:34px;height:34px}
  .brand__name{font-size:17px}
  .brand__tag{font-size:11px}
  .header-tel{display:none}
  .channel-nav{height:48px}
  .channel-link{font-size:14px;padding:0 13px}
  .container{padding:0 16px}
  .page-head__title{font-size:30px}
  .page-head__title small{font-size:16px;margin-top:10px}
  .page-head__side{padding:22px}
  .media-band{height:220px}
  .media-band__caption{left:20px;right:20px;bottom:20px}
  .media-band__caption h2{font-size:20px}
  .media-band__caption p{font-size:14px}
  .c-card--step{grid-template-columns:1fr;gap:14px;padding:20px}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:20px}
  .compare-cell{font-size:15px}
  .compare-cell::before{content:attr(data-label);font-size:12px;color:var(--c-muted);font-weight:600;flex:none}
  .compare-cell.is-best::before{color:var(--c-primary)}
  .cta-band h2{font-size:22px}
  .cta-band p{font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 24px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .page-head__title{font-size:27px}
  .hero-badges .u-badge{height:28px;font-size:12px}
  .side-card,.c-card--step{padding:18px}
  .cta-band{padding:24px}
  .section-head h2{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}