/* ==========================================================================
   来一码云值守 · 官网 v3.5 设计系统「深夜暖光」
   夜幕深蓝 × 门店暖橙 —— 深夜亮灯的店,就是品牌本身
   ========================================================================== */

:root{
  --orange:#F46B08;
  --orange-deep:#D95A00;
  --orange-bright:#FF8A2A;
  --amber:#FFB566;
  --orange-soft:#FFF3E8;
  --navy-950:#060D1D;
  --navy-900:#081226;
  --navy-800:#0C1B33;
  --navy-700:#12294A;
  --navy-line:#1F3A61;
  --ink:#182338;
  --ink-2:#43506A;
  --ink-3:#76829B;
  --paper:#FFFFFF;
  --paper-warm:#FBF6EF;
  --paper-cool:#F5F8FC;
  --line:#E6EAF2;
  --green:#1FA764;
  --blue:#4A8DE8;
  --radius:20px;
  --radius-sm:14px;
  --shadow-sm:0 1px 2px rgba(12,27,51,.05),0 4px 14px rgba(12,27,51,.06);
  --shadow-md:0 2px 6px rgba(12,27,51,.07),0 18px 44px rgba(12,27,51,.12);
  --shadow-orange:0 8px 26px rgba(244,107,8,.32);
  --glow-warm:0 0 60px rgba(255,158,74,.28);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --wrap:1180px;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
::selection{background:var(--orange);color:#fff}

/* ---------- 行内图标 ---------- */
.i{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;display:block}

/* ---------- 顶部导航 ---------- */
.topbar{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid rgba(230,234,242,.8)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo img{height:46px;width:auto;transition:transform .25s}
.logo:hover img{transform:scale(1.04) rotate(-2deg)}
.logo .lg-txt{display:flex;flex-direction:column;line-height:1.25}
.logo .lg-txt b{font-size:17px;letter-spacing:.5px;color:var(--ink)}
.logo .lg-txt small{font-size:11px;color:var(--ink-3);letter-spacing:2.5px}
.nav{display:flex;align-items:center;gap:4px}
.nav > a, .nav .nav-drop > a{position:relative;display:block;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);font-weight:500;transition:.18s}
.nav > a:hover, .nav .nav-drop > a:hover{color:var(--orange)}
.nav > a.on, .nav .nav-drop > a.on{color:var(--orange);font-weight:700}
.nav > a.on::after, .nav .nav-drop > a.on::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2.5px;border-radius:2px;background:linear-gradient(90deg,var(--orange),var(--amber))}
.nav-drop{position:relative}
.nav-drop > a > i{display:inline-block;margin-left:5px;font-style:normal;font-size:10px;opacity:.55;transition:.2s}
.nav-drop:hover > a > i{transform:rotate(180deg)}
.drop-menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-md);padding:8px;min-width:230px;opacity:0;visibility:hidden;transition:.22s}
.drop-menu::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
.nav-drop:hover .drop-menu,.nav-drop:focus-within .drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop-menu a{display:block;padding:11px 15px;border-radius:10px;font-size:14.5px;color:var(--ink);font-weight:600}
.drop-menu a:hover{background:var(--orange-soft);color:var(--orange)}
.drop-menu a small{display:block;font-size:12px;color:var(--ink-3);font-weight:400}
.topbar .cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.tel-top{font-size:12.5px;color:var(--ink-3)}
.tel-top b{display:block;font-size:17px;color:var(--orange);font-weight:800;letter-spacing:.3px;line-height:1.2}
.burger{display:none;width:42px;height:42px;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.burger i{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.burger.open i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open i:nth-child(2){opacity:0}
.burger.open i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.m-menu{display:none;position:fixed;inset:74px 0 0 0;z-index:99;background:#fff;padding:18px 28px;overflow:auto}
.m-menu.open{display:block}
.m-menu a{display:block;padding:15px 4px;border-bottom:1px solid var(--line);font-size:17px;font-weight:500;color:var(--ink)}
.m-menu .m-sub a{font-size:15px;color:var(--ink-2);padding-left:18px}
.m-menu .m-tel{margin-top:22px;text-align:center}

/* ---------- 按钮 ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 32px;border-radius:999px;font-size:16px;font-weight:700;transition:.22s;white-space:nowrap;overflow:hidden;letter-spacing:.3px}
.btn .i{width:1.1em;height:1.1em}
.btn-sm{padding:10px 22px;font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--orange-bright),var(--orange) 55%,var(--orange-deep));color:#fff;box-shadow:var(--shadow-orange)}
.btn-primary::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .5s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(244,107,8,.42)}
.btn-primary:hover::after{left:130%}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff;backdrop-filter:blur(4px)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber);background:rgba(255,181,102,.08)}
.btn-line{border:1.5px solid var(--orange);color:var(--orange)}
.btn-line:hover{background:var(--orange-soft);transform:translateY(-2px)}

/* ---------- 夜幕背景(hero 与内页页头共用) ---------- */
.night{position:relative;color:#fff;background:linear-gradient(175deg,var(--navy-800) 0%,var(--navy-900) 55%,var(--navy-950) 100%);overflow:hidden}
.night::before{content:"";position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(900px 480px at 82% -10%,rgba(38,72,128,.55) 0%,transparent 60%),
  radial-gradient(700px 420px at 12% 110%,rgba(244,107,8,.16) 0%,transparent 60%);
}
.night::after{content:"";position:absolute;inset:0;pointer-events:none;background:var(--grain)}
.night > *{position:relative;z-index:2}
.stars{position:absolute;inset:0;z-index:1;pointer-events:none}
.stars i{position:absolute;width:2px;height:2px;border-radius:50%;background:#fff;opacity:.5;animation:tw 3.5s ease-in-out infinite}
.stars i:nth-child(2n){animation-delay:1.2s;width:1.5px;height:1.5px}
.stars i:nth-child(3n){animation-delay:2.1s;opacity:.35}
@keyframes tw{0%,100%{opacity:.15}50%{opacity:.65}}

/* ---------- 首屏 ---------- */
.hero .wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;padding-top:86px;padding-bottom:104px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;letter-spacing:3px;color:var(--amber);font-weight:700;margin-bottom:24px;text-transform:uppercase}
.kicker::before{content:"";width:30px;height:2px;background:linear-gradient(90deg,var(--orange),transparent);border-radius:2px}
.hero h1{font-size:clamp(40px,4.8vw,62px);line-height:1.18;font-weight:900;letter-spacing:2px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--orange-bright) 10%,var(--amber) 90%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;position:relative;filter:drop-shadow(0 0 24px rgba(255,138,42,.35))}
.hero .sub{margin-top:26px;font-size:17px;line-height:1.95;color:#AFBFD9;max-width:33em}
.hero .sub b{color:#fff;font-weight:600}
.hero .btns{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.trustline{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:26px 22px;margin-top:14px;border-top:1px solid rgba(255,255,255,.12);padding-top:30px}
.trustline > div{padding-right:10px}
.trustline b{display:block;font-size:18px;font-weight:800;color:#fff;letter-spacing:.3px;word-break:keep-all;white-space:nowrap}
.trustline b .num{color:var(--amber)}
.trustline span{font-size:12.5px;color:#8299BC;line-height:1.7;display:block;margin-top:3px}

/* 首屏插画 */
.hero-art{position:relative}
.hero-art .frame{border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.13);box-shadow:0 40px 90px rgba(0,0,0,.55),var(--glow-warm);background:var(--navy-950)}
.hero-art svg{display:block;width:100%;height:auto}
.photo-frame{position:relative}
.photo-frame img{display:block;width:100%;height:auto}
.photo-frame .hud{position:absolute;inset:0;width:100%;height:100%}
.hero-float{position:absolute;display:flex;align-items:center;gap:12px;background:rgba(9,20,40,.78);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.16);border-radius:15px;padding:13px 18px;box-shadow:0 18px 44px rgba(0,0,0,.45)}
.hero-float.fl-a{left:-30px;bottom:92px;animation:floaty 5.5s ease-in-out infinite}
.hero-float.fl-b{right:-20px;top:-22px;animation:floaty 6.5s ease-in-out .9s infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(31,167,100,.22);flex-shrink:0;animation:pulse 2.4s ease-in-out infinite}
.hero-float .dot.o{background:var(--orange-bright);box-shadow:0 0 0 5px rgba(244,107,8,.25)}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}
.hero-float b{display:block;font-size:14px;color:#fff;line-height:1.4}
.hero-float span{font-size:12px;color:#8299BC}
.hero .cap{margin-top:14px;font-size:12.5px;color:#54688C;text-align:center}

/* 首屏 SVG 动效 */
.anim-scan{transform-origin:404px 196px;animation:scan 5s ease-in-out infinite}
@keyframes scan{0%,100%{transform:rotate(-14deg)}50%{transform:rotate(14deg)}}
.anim-flicker{animation:flicker 7s linear infinite}
@keyframes flicker{0%,93%,97%,100%{opacity:1}95%{opacity:.75}}
.anim-blink{animation:blink 2.2s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- 通用 section ---------- */
.sec{padding:104px 0}
.sec-soft{background:linear-gradient(180deg,var(--paper-cool),#fff)}
.sec-warm{background:linear-gradient(180deg,var(--paper-warm),#fff);position:relative}
.sec-head{max-width:780px;margin:0 auto 60px;text-align:center}
.sec-head .tag,.tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--orange);background:var(--orange-soft);border:1px solid #FFDFC2;padding:7px 18px;border-radius:999px;margin-bottom:20px}
.night .sec-head .tag,.night .tag{background:rgba(244,107,8,.13);border-color:rgba(244,107,8,.45);color:var(--amber)}
.sec-head h2{font-size:clamp(30px,3.4vw,42px);font-weight:900;letter-spacing:1px;line-height:1.32}
.sec-head h2 em{font-style:normal;color:var(--orange);position:relative;white-space:nowrap}
.sec-head h2 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:linear-gradient(90deg,rgba(244,107,8,.22),rgba(255,181,102,.28));z-index:-1;border-radius:4px}
.sec-head p{margin-top:16px;font-size:16.5px;color:var(--ink-3);line-height:1.85}
.night .sec-head p{color:#93A8C9}

/* ---------- 图标框 ---------- */
.ico{width:58px;height:58px;border-radius:17px;display:flex;align-items:center;justify-content:center;margin-bottom:22px;color:var(--orange);background:linear-gradient(150deg,#FFF4E9,#FFE7CE);border:1px solid #FFE0C2;box-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 4px 12px rgba(244,107,8,.08);transition:.3s}
.ico .i{width:27px;height:27px}
.card:hover .ico,.step:hover .ico{background:linear-gradient(150deg,var(--orange-bright),var(--orange-deep));color:#fff;box-shadow:var(--shadow-orange);transform:scale(1.06) rotate(-4deg)}

/* ---------- 卡片与栅格 ---------- */
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 30px;box-shadow:var(--shadow-sm);transition:.3s}
.card::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;background:linear-gradient(150deg,rgba(244,107,8,.55),transparent 45%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:0 6px 16px rgba(12,27,51,.06),0 26px 54px rgba(244,107,8,.13)}
.card:hover::before{opacity:1}
.card h3{font-size:19.5px;font-weight:800;margin-bottom:10px;letter-spacing:.3px}
.card p{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* 业态条 */
.chips-strip{background:var(--navy-950);border-top:1px solid rgba(31,58,97,.6);padding:20px 0}
.chips-strip .wrap{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.chips-strip .lab{font-size:12.5px;color:#5C739C;letter-spacing:2px;margin-right:6px}
.chip{font-size:13.5px;color:#C9D6EA;border:1px solid var(--navy-line);background:linear-gradient(160deg,#0E2140,#0A1830);padding:8px 18px;border-radius:999px;transition:.25s}
.chip:hover{border-color:var(--orange);color:var(--amber);transform:translateY(-2px)}

/* 品牌宣言带 */
.statement{padding:110px 0;text-align:center}
.statement .zh{font-size:clamp(38px,5.4vw,68px);font-weight:900;letter-spacing:6px;line-height:1.35;color:#fff}
.statement .zh em{font-style:normal;background:linear-gradient(100deg,var(--orange-bright),var(--amber));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 30px rgba(255,138,42,.4))}
.statement .zh .sep{display:inline-block;margin:0 .35em;width:.14em;height:.14em;border-radius:50%;background:var(--orange);vertical-align:.32em;box-shadow:0 0 18px rgba(244,107,8,.8)}
.statement p{margin-top:22px;font-size:16.5px;color:#8299BC;letter-spacing:1px}

/* 三层结构 */
.arch{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.layer{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px 30px;box-shadow:var(--shadow-sm);transition:.3s}
.layer:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.layer .num{position:absolute;top:-17px;left:28px;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--orange-bright),var(--orange-deep));color:#fff;font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-orange)}
.layer h3{font-size:19.5px;font-weight:800;margin-bottom:12px;padding-top:6px}
.layer p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.layer .who{display:inline-block;margin-bottom:12px;font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--orange);background:var(--orange-soft);padding:4px 13px;border-radius:999px}

/* 协同时间轴 */
.duty-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.df-item{position:relative;padding:0 26px 0 0}
.df-item::before{content:"";position:absolute;top:26px;left:56px;right:8px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 14px)}
.df-item:last-child::before{display:none}
.df-dot{position:relative;z-index:2;width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:.3s}
.df-item.ai .df-dot{color:#2563C9;background:linear-gradient(150deg,#EFF5FF,#DCEAFF);border:1px solid #C8DDFA}
.df-item.human .df-dot{color:var(--orange);background:linear-gradient(150deg,#FFF4E9,#FFE7CE);border:1px solid #FFE0C2}
.df-dot .i{width:24px;height:24px}
.df-item:hover .df-dot{transform:scale(1.1) rotate(-5deg)}
.df-role{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:1.5px;padding:4px 12px;border-radius:999px;margin-bottom:10px}
.df-item.ai .df-role{color:#2563C9;background:#EFF5FF}
.df-item.human .df-role{color:var(--orange);background:var(--orange-soft)}
.df-item h3{font-size:17px;font-weight:800;margin-bottom:8px}
.df-item p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:st}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px 28px 32px;text-align:center;box-shadow:var(--shadow-sm);transition:.3s;overflow:hidden}
.step::after{counter-increment:st;content:"0" counter(st);position:absolute;right:14px;top:6px;font-size:54px;font-weight:900;color:rgba(244,107,8,.07);line-height:1;letter-spacing:-2px}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.step .s-num{font-size:12px;font-weight:800;color:var(--orange);letter-spacing:3px;margin-bottom:16px}
.step .ico{margin:0 auto 18px}
.step h3{font-size:18px;font-weight:800;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* 对比表 */
.cmp-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff}
table.cmp{width:100%;border-collapse:collapse;min-width:680px;font-size:15px}
.cmp th,.cmp td{padding:18px 22px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.7}
.cmp thead th{background:var(--paper-cool);font-size:14.5px;color:var(--ink-2);font-weight:700;white-space:nowrap}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp tbody tr{transition:.15s}
.cmp tbody tr:hover{background:#FAFBFE}
.cmp td:first-child{font-weight:700;white-space:nowrap;color:var(--ink)}
.cmp .hl{background:var(--orange-soft)}
.cmp thead th.hl{color:var(--orange-deep);position:relative}
.cmp thead th.hl::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--orange-bright),var(--amber))}
.cmp .good{color:var(--green);font-weight:600}
.cmp .bad{color:#C0392B}
.cmp small{color:var(--ink-3)}

/* FAQ 手风琴 */
.faq{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s}
.faq-item.open{border-color:#FFD7B0;box-shadow:0 8px 26px rgba(244,107,8,.1)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;width:100%;text-align:left;padding:21px 26px;font-size:16.5px;font-weight:700;color:var(--ink);transition:.15s}
.faq-q::after{content:"+";font-size:24px;font-weight:300;color:var(--orange);transition:.28s;flex-shrink:0}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-q:hover{color:var(--orange)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 26px 22px;font-size:15px;color:var(--ink-2);line-height:1.9}

/* 留资 / CTA */
.lead{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;background:linear-gradient(140deg,var(--navy-800),var(--navy-700) 65%,#17325B);border-radius:28px;padding:68px 64px;color:#fff;box-shadow:0 30px 80px rgba(8,18,38,.35);position:relative;overflow:hidden}
.lead::before{content:"";position:absolute;right:-130px;top:-130px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(244,107,8,.3),transparent 65%)}
.lead::after{content:"";position:absolute;inset:0;background:var(--grain);pointer-events:none;border-radius:28px}
.lead > *{position:relative;z-index:2}
.lead h2{font-size:clamp(26px,3vw,36px);font-weight:900;line-height:1.4;letter-spacing:1px}
.lead .p{margin-top:16px;font-size:15.5px;color:#AEBFD9;line-height:1.9}
.tel-big{margin-top:28px;font-size:40px;font-weight:900;letter-spacing:1px;background:linear-gradient(100deg,var(--orange-bright),var(--amber));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 24px rgba(255,138,42,.3))}
.tel-note{font-size:13.5px;color:#8299BC;margin-top:4px}
.qr-box{display:flex;align-items:center;gap:16px;margin-top:26px;padding:16px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;max-width:360px}
.qr-box img{width:124px;height:124px;border-radius:12px;background:#fff;padding:7px;flex-shrink:0}
.qr-box .qr-txt b{display:block;font-size:15px;color:#fff;margin-bottom:5px}
.qr-box .qr-txt span{font-size:12.5px;color:#8299BC;line-height:1.7;display:block}
.qr-add{display:inline-block;margin-top:9px;font-size:13px;font-weight:700;color:#7DE8AC;border-bottom:1px solid rgba(125,232,172,.5);padding-bottom:1px}
.lead-form{position:relative;z-index:2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:34px 30px;display:flex;flex-direction:column;gap:16px;backdrop-filter:blur(8px)}
.lead-form input:not([type="checkbox"]){width:100%;padding:15px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(8,18,38,.5);color:#fff;font-size:15px;font-family:inherit;outline:none;transition:.2s}
.lead-form input:not([type="checkbox"])::placeholder{color:#7488A8}
.lead-form input:not([type="checkbox"]):focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(244,107,8,.2)}
.ok-msg{display:none;margin-top:14px;background:rgba(31,167,100,.15);border:1px solid rgba(31,167,100,.45);color:#7DDBAB;font-size:14px;border-radius:12px;padding:13px 18px;text-align:center}
.ok-msg.show{display:block}
.err-msg{display:none;margin-top:14px;background:rgba(220,80,60,.14);border:1px solid rgba(220,80,60,.5);color:#F2A091;font-size:14px;border-radius:12px;padding:13px 18px;text-align:center}
.err-msg.show{display:block}
.consent{display:block;position:relative;padding-left:26px;font-size:12.5px;color:#8299BC;line-height:1.7;text-align:left;cursor:pointer}
.consent input{position:absolute;left:2px;top:4px;width:15px;height:15px;accent-color:var(--orange)}
.consent a{color:var(--amber);text-decoration:underline}
.hp{position:absolute !important;left:-9999px !important;width:1px;height:1px;opacity:0;pointer-events:none}
.form-alt{font-size:13px;color:#8299BC;text-align:center;margin:0}
.form-alt a{color:var(--amber);font-weight:700}
.crosslist li::before{content:"✗";background:#FBE9E5;color:#C0392B}

/* ---------- 内页页头 ---------- */
.page-hero{padding:78px 0 68px}
.crumb{font-size:13.5px;color:#7488A8;margin-bottom:24px}
.crumb a:hover{color:var(--amber)}
.crumb span{margin:0 8px;opacity:.5}
.page-hero h1{font-size:clamp(30px,3.9vw,46px);font-weight:900;line-height:1.32;letter-spacing:1px;max-width:20em}
.page-hero .lede{margin-top:22px;font-size:16.5px;color:#AFBFD9;line-height:1.95;max-width:44em}
.page-hero .lede b{color:#fff}
.page-hero .btns{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.meta-date{margin-top:28px;font-size:12.5px;color:#54688C}

/* 图文两栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split h2{font-size:clamp(24px,2.7vw,33px);font-weight:900;line-height:1.4;margin-bottom:18px;letter-spacing:.5px}
.split .p{font-size:15.5px;color:var(--ink-2);line-height:1.95}
.split .p + .p{margin-top:14px}
.ticklist{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.ticklist li{position:relative;padding-left:36px;font-size:15px;color:var(--ink-2);line-height:1.75}
.ticklist li::before{content:"✓";position:absolute;left:0;top:1px;width:23px;height:23px;border-radius:8px;background:linear-gradient(150deg,#FFF4E9,#FFE0C2);color:var(--orange-deep);font-size:13px;font-weight:900;display:flex;align-items:center;justify-content:center}
.ticklist li b{color:var(--ink)}

/* 事实条 */
.factbar{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.fact{position:relative;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:32px 26px;text-align:center;backdrop-filter:blur(6px);transition:.3s;overflow:hidden}
.fact::before{content:"";position:absolute;top:0;left:20%;right:20%;height:2px;background:linear-gradient(90deg,transparent,var(--orange),transparent);opacity:0;transition:.3s}
.fact:hover{transform:translateY(-5px);border-color:rgba(244,107,8,.5);background:rgba(244,107,8,.06)}
.fact:hover::before{opacity:1}
.fact b{display:block;font-size:21px;font-weight:800;color:var(--amber);margin-bottom:9px;letter-spacing:.5px;line-height:1.4}
.fact span{font-size:13px;color:#93A8C9;line-height:1.75;display:block}

/* 页脚 */
.footer{background:var(--navy-950);color:#8FA2C0;padding:76px 0 36px;border-top:3px solid var(--orange);position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);width:640px;height:320px;border-radius:50%;background:radial-gradient(ellipse,rgba(244,107,8,.1),transparent 70%);pointer-events:none}
.footer .cols{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(31,58,97,.7)}
.footer .brand img{height:54px;margin-bottom:18px}
.footer .brand p{font-size:14px;line-height:1.9}
.footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:1.5px}
.footer ul li{margin-bottom:11px;font-size:14px;line-height:1.7}
.footer ul a{transition:.15s}
.footer ul a:hover{color:var(--amber);padding-left:4px}
.footer .bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:26px;font-size:13px;color:#54688C}
.footer .bottom a:hover{color:var(--amber)}

/* 悬浮 CTA */
.float-cta{position:fixed;right:22px;bottom:26px;z-index:90;display:flex;flex-direction:column;gap:10px}
.float-cta a{display:flex;align-items:center;gap:9px;padding:13px 20px;border-radius:999px;font-size:14.5px;font-weight:700;box-shadow:var(--shadow-md);transition:.22s}
.float-cta .f-book{display:none}
.float-cta .f-tel{width:54px;height:54px;padding:0;border-radius:50%;justify-content:center}
.float-cta .f-tel .i{width:21px;height:21px}
.float-cta .f-tel .fnum{display:none}
.float-cta .i{width:17px;height:17px}
.f-book{background:linear-gradient(135deg,var(--orange-bright),var(--orange-deep));color:#fff}
.f-book:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(244,107,8,.4)}
.f-chat{background:#07C160;color:#fff}
.f-chat:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(7,193,96,.38)}
.f-tel{background:#fff;color:var(--ink);border:1px solid var(--line)}
.f-tel:hover{border-color:var(--orange);color:var(--orange)}
.to-top{position:fixed;right:22px;bottom:150px;z-index:90;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:18px;box-shadow:var(--shadow-sm);opacity:0;visibility:hidden;transition:.25s}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{color:var(--orange);border-color:var(--orange)}

/* 揭示动画(带级联) */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.65,.3,1),transform .8s cubic-bezier(.2,.65,.3,1);transition-delay:calc(var(--d,0)*90ms)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-float,.anim-scan,.anim-flicker,.anim-blink,.hero-float .dot,.stars i{animation:none}
  html{scroll-behavior:auto}
}

/* 口径说明小注 */
.note-strip{max-width:860px;margin:48px auto 0;background:linear-gradient(150deg,#FDF9F4,#FBF3E9);border:1px solid #F0DFC9;border-left:4px solid var(--orange);border-radius:var(--radius-sm);padding:22px 28px;font-size:14px;color:var(--ink-2);line-height:1.9}
.note-strip b{color:var(--orange-deep)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero .wrap{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:56px}
  .hero .sub{font-size:15.5px;margin-top:16px}
  .hero .btns{margin-top:24px;gap:12px}
  .kicker{margin-bottom:14px}
  .hero-art{max-width:640px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .steps,.duty-flow,.factbar{grid-template-columns:repeat(2,1fr)}
  .trustline{grid-template-columns:repeat(2,1fr)}
  .duty-flow{gap:36px}
  .df-item::before{display:none}
  .arch{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:42px}
  .lead{grid-template-columns:1fr;padding:50px 38px;gap:38px}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav,.tel-top{display:none}
  .burger{display:flex}
  .sec{padding:68px 0}
  .statement{padding:80px 0}
  .statement .zh{letter-spacing:3px}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .duty-flow,.factbar{grid-template-columns:1fr}
  .trustline{grid-template-columns:1fr 1fr;gap:20px 16px}
  .trustline b{font-size:16.5px}
  .hero-float.fl-a{left:8px;bottom:60px}
  .hero-float.fl-b{right:8px}
  .lead{padding:42px 24px}
  .tel-big{font-size:31px}
  .footer .cols{grid-template-columns:1fr}
  body{padding-bottom:60px}
  .float-cta{left:0;right:0;bottom:0;flex-direction:row;gap:0}
  .float-cta a{flex:1;height:58px;padding:0;border-radius:0;justify-content:center;font-size:15.5px;box-shadow:none}
  .float-cta .f-tel{width:auto;height:58px;padding:0;border-radius:0;border:none;border-top:1px solid var(--line)}
  .float-cta .f-tel .fnum{display:inline}
  .float-cta .f-chat{border-top:1px solid #06AD56;border-radius:0;height:58px;padding:0}
  .to-top{bottom:76px;right:14px}
}