/* ===========================================================
   Quickq — q92 / Aurora Plum
   全新设计：紫晶 + 金辉 · 几何光影
   差异：亮色Hero · 竖排步骤 · 编号特性 · 侧栏内容页
   =========================================================== */


:root {
  --clr-primary: #7C3AED;
  --clr-primary-dark: #6D28D9;
  --clr-primary-deep: #5B21B6;
  --clr-primary-light: #EDE9FE;
  --clr-primary-soft: #F5F3FF;

  --clr-accent: #F59E0B;
  --clr-accent-dark: #D97706;
  --clr-accent-light: #FEF3C7;

  --clr-bg: #FAFAFE;
  --clr-bg-alt: #F5F3FF;
  --clr-bg-dark: #1E1B4B;
  --clr-bg-card: #FFFFFF;

  --clr-text: #1E1B4B;
  --clr-text2: #4C4682;
  --clr-text3: #9C98B8;

  --clr-border: #E0DDF0;
  --clr-border-light: #F0EDF8;
  --clr-success: #10B981;
  --clr-warn: #F59E0B;

  --grad-primary: linear-gradient(135deg, #7C3AED 0%, #6D28D9 100%);
  --grad-accent: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --grad-hero: linear-gradient(160deg, #FAFAFE 0%, #F5F3FF 40%, #EDE9FE 100%);
  --grad-cta: linear-gradient(135deg, #1E1B4B 0%, #2D2766 100%);

  --r-xs: 4px; --r-sm: 8px; --r-md: 12px; --r-lg: 20px; --r-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(94,59,179,.03);
  --shadow-sm: 0 2px 8px rgba(94,59,179,.04);
  --shadow-md: 0 4px 16px rgba(94,59,179,.06),0 2px 4px rgba(30,27,75,.03);
  --shadow-lg: 0 12px 32px rgba(94,59,179,.08),0 4px 8px rgba(30,27,75,.04);
  --shadow-card-hover: 0 8px 28px rgba(94,59,179,.09),0 0 0 1px var(--clr-primary-light);
  --shadow-btn: 0 4px 14px rgba(124,58,237,.25);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SF Mono','Cascadia Code','Consolas',monospace;
  --t-fast: .16s cubic-bezier(.4,0,.2,1);
  --t-md: .25s cubic-bezier(.4,0,.2,1);

  --w-max: 1180px;
  --w-text: 820px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;font-size:16px}
body{font-family:var(--font);font-size:15px;line-height:1.7;color:var(--clr-text);background:var(--clr-bg);overflow-x:hidden}
a{color:var(--clr-primary);text-decoration:none;transition:color var(--t-fast)}
a:hover{color:var(--clr-primary-dark)}
img{max-width:100%}
::selection{background:var(--clr-primary-light);color:var(--clr-primary-deep)}

.skip-link{position:absolute;top:-100px;left:16px;z-index:9999;padding:8px 16px;background:var(--clr-primary);color:#fff;border-radius:var(--r-sm);font-weight:600;font-size:14px}
.skip-link:focus{top:16px}

.container{max-width:var(--w-max);margin:0 auto;padding:0 28px}
.container-sm{max-width:var(--w-text);margin:0 auto;padding:0 28px}

/* ===== Header ===== */
.hdr{position:fixed;top:0;left:0;right:0;z-index:100;height:66px;display:flex;align-items:center;background:rgba(250,250,254,.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:all var(--t-md)}
.hdr.scrolled{border-bottom-color:var(--clr-border-light);box-shadow:var(--shadow-sm)}
.hdr-inner{max-width:var(--w-max);width:100%;margin:0 auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}
.hdr-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--clr-text);letter-spacing:-.3px}
.hdr-logo img{height:28px;width:auto}
.hdr-nav{display:flex;align-items:center;gap:2px;list-style:none}
.hdr-nav a{padding:8px 15px;border-radius:var(--r-xs);font-size:13.5px;font-weight:500;color:var(--clr-text2);transition:all var(--t-fast)}
.hdr-nav a:hover{color:var(--clr-primary);background:var(--clr-primary-soft)}
.hdr-nav a.active{color:var(--clr-primary);background:var(--clr-primary-light);font-weight:600}
.hdr-cta.hdr-cta{padding:8px 20px;background:var(--grad-primary);color:#fff;border-radius:var(--r-sm);font-weight:600;box-shadow:var(--shadow-btn)}
.hdr-cta.hdr-cta:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(124,58,237,.35);color:#fff}
.hdr-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.hdr-toggle span{width:22px;height:2px;background:var(--clr-text);border-radius:1px;transition:all .3s cubic-bezier(.34,1.56,.64,1)}
.hdr-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hdr-toggle.active span:nth-child(2){opacity:0}
.hdr-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ===== Wrap ===== */
.wrap{padding-top:66px;min-height:100vh}

/* ===== Hero ===== */
.hero{position:relative;padding:0 28px;overflow:hidden;background:var(--grad-hero)}
.hero::before{content:'';position:absolute;top:-80px;right:-120px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.08),transparent 70%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-60px;left:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.06),transparent 70%);pointer-events:none}
.hero-inner{max-width:var(--w-max);margin:0 auto;display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center;min-height:420px;padding:48px 0}
.hero-txt{position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:7px;padding:5px 14px;background:var(--clr-primary-light);border-radius:20px;font-size:12px;font-weight:600;color:var(--clr-primary-dark);margin-bottom:20px}
.hero-badge::before{content:'';width:7px;height:7px;background:var(--clr-accent);border-radius:50%;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}
.hero h1{font-size:clamp(30px,5vw,50px);font-weight:900;letter-spacing:-1.2px;line-height:1.1;margin-bottom:14px;position:relative;z-index:1}
.hero h1 .hl{background:linear-gradient(135deg,var(--clr-primary),var(--clr-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:15.5px;color:var(--clr-text2);max-width:490px;margin-bottom:28px;line-height:1.7;position:relative;z-index:1}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.hero-visual{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px}
.hero-stat-card{background:var(--clr-bg-card);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:14px;transition:all var(--t-md)}
.hero-stat-card:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}
.hero-stat-card .sc-num{font-size:26px;font-weight:900;color:var(--clr-primary);min-width:64px;text-align:center}
.hero-stat-card .sc-lbl{font-size:13px;font-weight:600;color:var(--clr-text)}
.hero-stat-card .sc-sub{font-size:11px;color:var(--clr-text3)}

/* ===== Subpage Hero ===== */
.pg-hero{background:var(--grad-hero);padding:52px 28px 36px;text-align:center;position:relative;overflow:hidden}
.pg-hero h1{font-size:clamp(26px,4vw,40px);font-weight:900;letter-spacing:-.8px;margin-bottom:8px;position:relative;z-index:1}
.pg-hero p{font-size:15px;color:var(--clr-text2);max-width:480px;margin:0 auto;position:relative;z-index:1;line-height:1.7}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 24px;font-size:14px;font-weight:600;border-radius:var(--r-sm);cursor:pointer;border:none;font-family:inherit;transition:all var(--t-fast);letter-spacing:.2px}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:var(--shadow-btn)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(124,58,237,.35);color:#fff}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 4px 14px rgba(245,158,11,.2)}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(245,158,11,.3);color:#fff}
.btn-outline{background:transparent;color:var(--clr-text);border:1.5px solid var(--clr-border)}
.btn-outline:hover{border-color:var(--clr-primary-light);color:var(--clr-primary);background:var(--clr-primary-soft)}
.btn-lg{padding:15px 32px;font-size:16px;border-radius:var(--r-md)}
.btn-block{width:100%}

/* ===== Sections ===== */
.sec{padding:68px 28px}
.sec-alt{background:var(--clr-bg-alt)}
.sec-head{text-align:center;margin-bottom:44px}
.sec-tag{display:inline-flex;align-items:center;padding:4px 14px;background:var(--clr-primary-light);border-radius:12px;font-size:12px;font-weight:700;color:var(--clr-primary-dark);margin-bottom:14px;letter-spacing:.5px}
.sec-title{font-size:clamp(24px,3.5vw,34px);font-weight:800;letter-spacing:-.6px;margin-bottom:10px;color:var(--clr-text)}
.sec-desc{font-size:15px;color:var(--clr-text2);max-width:520px;margin:0 auto;line-height:1.7}

/* ===== Stat Cards ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{background:var(--clr-bg-card);border:1px solid var(--clr-border-light);border-radius:var(--r-md);padding:24px 20px;text-align:center;transition:all var(--t-md);position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-primary);opacity:0;transition:opacity var(--t-md)}
.stat-card:nth-child(2)::before{background:var(--grad-accent)}
.stat-card:nth-child(3)::before{background:linear-gradient(135deg,#10B981,#059669)}
.stat-card:nth-child(4)::before{background:linear-gradient(135deg,#6366F1,#4F46E5)}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.stat-card:hover::before{opacity:1}
.stat-num{font-size:30px;font-weight:900;color:var(--clr-primary);line-height:1.2;margin-bottom:4px}
.stat-card:nth-child(2) .stat-num{color:var(--clr-accent-dark)}
.stat-card:nth-child(3) .stat-num{color:var(--clr-success)}
.stat-card:nth-child(4) .stat-num{color:#6366F1}
.stat-lbl{font-size:12px;color:var(--clr-text3);font-weight:500}

/* ===== Feature Cards (2-col numbered) ===== */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feat-card{background:var(--clr-bg-card);border:1px solid var(--clr-border-light);border-radius:var(--r-md);padding:28px 26px;display:flex;gap:18px;transition:all var(--t-md)}
.feat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.feat-num{width:44px;height:44px;background:var(--clr-primary-soft);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:var(--clr-primary);flex-shrink:0}
.feat-body h3{font-size:16px;font-weight:700;margin-bottom:6px;letter-spacing:-.2px}
.feat-body p{font-size:13.5px;color:var(--clr-text2);line-height:1.7}

/* ===== Steps (vertical connector on desktop) ===== */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{position:relative;text-align:center;padding:40px 20px 32px;background:var(--clr-bg-card);border:1px solid var(--clr-border-light);border-radius:var(--r-md);transition:all var(--t-md)}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.step-num{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.step-card:nth-child(1) .step-num{background:var(--grad-primary)}
.step-card:nth-child(2) .step-num{background:var(--grad-accent)}
.step-card:nth-child(3) .step-num{background:linear-gradient(135deg,#10B981,#059669)}
.step-card h3{font-size:16px;font-weight:700;margin-bottom:6px;letter-spacing:-.2px}
.step-card p{font-size:13px;color:var(--clr-text2);line-height:1.6}

/* ===== Platform Download Cards ===== */
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}
.dl-card{background:var(--clr-bg-card);border:1px solid var(--clr-border-light);border-radius:var(--r-md);padding:26px 20px;text-align:center;transition:all var(--t-md);display:block;color:var(--clr-text);cursor:pointer}
.dl-card:hover{transform:translateY(-4px);border-color:var(--clr-primary-light);box-shadow:var(--shadow-card-hover);color:var(--clr-text)}
.dl-card .ic{font-size:34px;margin-bottom:8px;display:block}
.dl-card h3{font-size:15px;font-weight:700;margin-bottom:4px;letter-spacing:-.2px}
.dl-card .ver{font-size:11px;color:var(--clr-text3);margin-bottom:8px}
.dl-card .sz{display:inline-block;padding:3px 12px;background:var(--clr-primary-soft);border-radius:8px;font-size:11px;color:var(--clr-primary-dark);font-weight:600}
.dl-card .btn{margin-top:12px}

/* ===== Content Pages ===== */
.c-wrap{max-width:var(--w-text);margin:0 auto;padding:44px 28px 64px}
.b-card{background:var(--clr-bg-card);border:1px solid var(--clr-border-light);border-radius:var(--r-md);padding:24px 28px;margin-bottom:14px;transition:all var(--t-fast);box-shadow:var(--shadow-xs)}
.b-card:hover{border-color:var(--clr-border);box-shadow:var(--shadow-sm)}
.b-card h2{font-size:17px;font-weight:700;margin-bottom:10px;letter-spacing:-.2px;color:var(--clr-text);position:relative;padding-left:16px}
.b-card h2::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:3px;background:var(--grad-primary);border-radius:2px}
.b-card p,.b-card li{font-size:14px;color:var(--clr-text2);line-height:1.8;margin-bottom:4px}
.b-card ul{padding-left:20px}
.b-card ul li::marker{color:var(--clr-primary)}
.b-card code{font-family:var(--font-mono);font-size:12px;background:var(--clr-primary-soft);padding:2px 8px;border-radius:4px;color:var(--clr-primary-dark)}
.b-card strong{color:var(--clr-text);font-weight:600}

/* ===== Info Boxes ===== */
.info{background:var(--clr-primary-soft);border-left:4px solid var(--clr-primary);padding:16px 22px;margin:14px 0;border-radius:0 var(--r-sm) var(--r-sm) 0;font-size:13.5px;color:var(--clr-text2);line-height:1.7}
.info strong{color:var(--clr-primary-dark)}
.info h4{font-size:15px;font-weight:700;color:var(--clr-primary-dark);margin-bottom:6px}
.info.gold{background:var(--clr-accent-light);border-left-color:var(--clr-accent)}
.info.gold strong{color:var(--clr-accent-dark)}

/* ===== FAQ ===== */
.faq-q{margin-bottom:8px;background:var(--clr-bg-card);border:1px solid var(--clr-border-light);border-radius:var(--r-sm);overflow:hidden;box-shadow:var(--shadow-xs);transition:all var(--t-fast)}
.faq-q:hover{border-color:var(--clr-border);box-shadow:var(--shadow-sm)}
.faq-q summary{padding:18px 24px;font-weight:600;font-size:14.5px;color:var(--clr-text);cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}
.faq-q summary::after{content:'+';font-size:18px;color:var(--clr-primary);transition:transform var(--t-fast)}
.faq-q[open] summary{color:var(--clr-primary-dark);background:var(--clr-primary-soft)}
.faq-q[open] summary::after{content:'−';transform:rotate(180deg)}
.faq-a{padding:0 24px 20px;font-size:13.5px;color:var(--clr-text2);line-height:1.8}

/* ===== Compare Table ===== */
.comp-tbl{width:100%;border-collapse:separate;border-spacing:0;font-size:13.5px;background:var(--clr-bg-card);border-radius:var(--r-md);overflow:hidden;border:1px solid var(--clr-border-light);box-shadow:var(--shadow-xs)}
.comp-tbl th{background:var(--clr-primary-soft);padding:13px 16px;text-align:left;font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--clr-border);color:var(--clr-text)}
.comp-tbl td{padding:13px 16px;border-bottom:1px solid var(--clr-border-light);color:var(--clr-text2)}
.comp-tbl tr:last-child td{border-bottom:none}
.comp-tbl .y{color:var(--clr-success);font-weight:700}
.comp-tbl .n{color:var(--clr-text3)}

/* ===== Pricing Cards ===== */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.price-card{background:var(--clr-bg-card);border:1px solid var(--clr-border-light);border-radius:var(--r-md);padding:32px 26px;text-align:center;transition:all var(--t-md);position:relative;box-shadow:var(--shadow-xs)}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.price-card.featured{border-color:var(--clr-primary-light);box-shadow:var(--shadow-md)}
.price-card .price-badge{position:absolute;top:-10px;left:50%;transform:translateX(-50%);background:var(--grad-primary);color:#fff;padding:3px 16px;border-radius:var(--r-full);font-size:11px;font-weight:600;letter-spacing:.5px;z-index:1}
.price-card .nm{font-size:18px;font-weight:700;color:var(--clr-text);margin-bottom:6px}
.price-card .price-num{font-size:36px;font-weight:900;color:var(--clr-primary);margin-bottom:4px}
.price-card .price-num small{font-size:14px;font-weight:400;color:var(--clr-text3);margin-left:4px}
.price-card ul{list-style:none;margin:20px 0;text-align:left}
.price-card ul li{padding:6px 0;font-size:13.5px;color:var(--clr-text2);display:flex;align-items:center;gap:8px}
.price-card ul li::before{content:'✓';color:var(--clr-success);font-weight:700;font-size:12px;flex-shrink:0}

/* ===== CTA ===== */
.cta{background:var(--grad-cta);padding:64px 28px;text-align:center;position:relative;overflow:hidden;color:#fff}
.cta::before{content:'';position:absolute;top:-30%;right:-10%;width:350px;height:350px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.18),transparent 70%);pointer-events:none}
.cta::after{content:'';position:absolute;bottom:-20%;left:-8%;width:250px;height:250px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.1),transparent 70%);pointer-events:none}
.cta h2{font-size:28px;font-weight:800;letter-spacing:-.5px;margin-bottom:10px;position:relative;z-index:1}
.cta p{font-size:15px;color:rgba(255,255,255,.5);margin-bottom:24px;position:relative;z-index:1;max-width:480px;margin-left:auto;margin-right:auto}
.cta .btn-accent{box-shadow:0 4px 20px rgba(245,158,11,.3)}

/* ===== Friend Links ===== */
.friends{background:var(--clr-bg-alt);padding:28px;text-align:center;border-top:1px solid var(--clr-border-light)}
.friends .lbl{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--clr-text3);margin-bottom:12px}
.friends-list{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.friends-list a{padding:6px 16px;border-radius:var(--r-full);font-size:13px;color:var(--clr-text2);transition:all var(--t-fast);border:1px solid transparent}
.friends-list a:hover{background:var(--clr-primary-light);color:var(--clr-primary-dark);border-color:var(--clr-primary-light)}

/* ===== Footer ===== */
.foot{background:var(--clr-bg-dark);color:#fff;padding:56px 28px 36px}
.foot-grid{max-width:var(--w-max);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}
.foot-brand img{height:28px;margin-bottom:12px}
.foot-brand p{font-size:13px;color:rgba(255,255,255,.35);margin-top:10px;line-height:1.7;max-width:300px}
.foot-col h4{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:rgba(255,255,255,.2);margin-bottom:14px}
.foot-col a{display:block;font-size:13px;color:rgba(255,255,255,.35);padding:5px 0;transition:all var(--t-fast)}
.foot-col a:hover{color:var(--clr-accent);transform:translateX(4px)}
.foot-bottom{max-width:var(--w-max);margin:32px auto 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.06);display:flex;justify-content:space-between;align-items:center;font-size:11px;color:rgba(255,255,255,.18)}
.foot-bottom a{color:rgba(255,255,255,.2);transition:color var(--t-fast)}
.foot-bottom a:hover{color:var(--clr-accent)}

/* ===== Popup ===== */
.popup-ov{display:none;position:fixed;inset:0;background:rgba(30,27,75,.45);backdrop-filter:blur(4px);z-index:9999;justify-content:center;align-items:center}
.popup-ov.on{display:flex}
.popup{background:var(--clr-bg-card);border-radius:var(--r-lg);padding:40px 32px 32px;max-width:420px;width:90%;text-align:center;box-shadow:0 24px 56px rgba(30,27,75,.16);animation:popIn .25s cubic-bezier(.34,1.56,.64,1)}
@keyframes popIn{from{opacity:0;transform:translateY(16px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}
.popup .ic{font-size:40px;margin-bottom:12px}
.popup h3{font-size:19px;font-weight:700;margin-bottom:6px;color:var(--clr-text);letter-spacing:-.3px}
.popup p{font-size:13.5px;color:var(--clr-text2);margin-bottom:24px;line-height:1.6}
.popup-btns{display:flex;gap:10px;justify-content:center}

/* ===== Back to Top ===== */
.to-top{position:fixed;bottom:28px;right:28px;width:44px;height:44px;background:var(--grad-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;box-shadow:var(--shadow-btn);transition:all var(--t-fast);opacity:0;pointer-events:none;z-index:98;border:none}
.to-top.on{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(124,58,237,.4)}

/* ===== Scroll Reveal ===== */
.fade-up{opacity:0;transform:translateY(20px);transition:opacity .55s ease,transform .55s ease}
.fade-up.in{opacity:1;transform:translateY(0)}

/* ===== Sendbox (contact form) ===== */
.send-box{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.send-box .fg{display:flex;flex-direction:column;gap:4px}
.send-box .fg label{font-size:13px;font-weight:600;color:var(--clr-text)}
.send-box .fg input,.send-box .fg textarea{padding:10px 14px;border:1px solid var(--clr-border);border-radius:var(--r-sm);font-family:var(--font);font-size:14px;color:var(--clr-text);background:var(--clr-bg-card);transition:border-color var(--t-fast)}
.send-box .fg input:focus,.send-box .fg textarea:focus{outline:none;border-color:var(--clr-primary);box-shadow:0 0 0 3px var(--clr-primary-light)}
.send-box .fg textarea{resize:vertical;min-height:100px}

/* ===== News Timeline ===== */
.news-list{max-width:var(--w-text);margin:0 auto}
.news-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid var(--clr-border-light)}
.news-item:last-child{border-bottom:none}
.news-date{font-size:12px;color:var(--clr-text3);white-space:nowrap;margin-top:4px;min-width:90px;font-weight:500}
.news-item h3{font-size:15px;font-weight:700;margin-bottom:4px;letter-spacing:-.2px}
.news-item h3 a{color:var(--clr-text)}
.news-item h3 a:hover{color:var(--clr-primary)}
.news-item p{font-size:13px;color:var(--clr-text2);line-height:1.6}

/* ===== Responsive ===== */
@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:32px;min-height:auto}
  .hero-visual{flex-direction:row;flex-wrap:wrap}
  .hero-visual .hero-stat-card{flex:1;min-width:180px}
  .feat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .send-box{grid-template-columns:1fr}
}
@media(max-width:768px){
  .hdr-toggle{display:flex}
  .hdr-nav{display:none;position:fixed;top:66px;left:0;right:0;background:rgba(250,250,254,.98);backdrop-filter:blur(20px);flex-direction:column;padding:10px;gap:0;border-bottom:1px solid var(--clr-border);box-shadow:var(--shadow-lg)}
  .hdr-nav.open{display:flex}
  .hdr-nav a{padding:14px 16px;width:100%}
  .hdr-cta.hdr-cta{margin-top:8px;text-align:center;width:100%}
  .hero-inner{padding:40px 0}
  .hero h1{font-size:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .pg-hero{padding:40px 16px 32px}.pg-hero h1{font-size:24px}
  .sec{padding:52px 16px}
  .stat-grid,.step-grid,.dl-grid,.price-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:32px}
  .foot-bottom{flex-direction:column;gap:10px;text-align:center}
  .c-wrap{padding:36px 16px 52px}
  .b-card{padding:18px 20px}
  .cta{padding:48px 16px}
}

/* q92 audit-fix: 抽离内联语义类 */
.mb-12{margin-bottom:12px}
.big-title{display:block;font-size:40px;margin-bottom:8px;text-align:center}
.center-18{font-size:18px;text-align:center}
.caption-sm{color:var(--clr-text2);font-size:13.5px;margin-bottom:14px;text-align:center}
.center-14{font-size:14px;text-align:center}
.mt-14{margin-top:14px}
.note-xs{color:var(--clr-text3);font-size:12px;margin:8px 0}
.mt-12{margin-top:12px}
.note-2{color:var(--clr-text2);font-size:13.5px;margin-bottom:20px}
.mt-20{margin-top:20px}
.mt-8{margin-top:8px}
.maxw-820{max-width:820px}
.mt-24{margin-top:24px}
.h-28{height:28px}
.mt-18-center{margin-top:18px;text-align:center}


/* ===== Tabler icons (visual language from kldk) ===== */
.ti{vertical-align:-.125em;line-height:1}
.dl-card .ic .ti{color:var(--clr-primary)}
.ic.big-title .ti{color:var(--clr-primary)}
.popup .ic .ti{color:var(--clr-accent)}
.btn .ti{font-size:1.15em}
.to-top .ti{font-size:18px}
h2 .ti,h3 .ti{color:var(--clr-primary);font-size:1.2em;margin-right:.4rem}
h4 .ti{color:var(--clr-warn);font-size:1.1em;margin-right:.35rem}