/* ===========================================================
   迅捷油漆工程 — 樣式表
   色系：米白 / 墨黑 / 金（取自品牌 LOGO）
   =========================================================== */

:root{
  --paper:#FBFAF7;
  --paper-2:#F3F0EA;
  --ink:#17171A;
  --ink-2:#3C3C42;
  --muted:#7C7C83;
  --gold:#B08D57;
  --gold-2:#96733F;
  --gold-3:#D9BE8E;
  --line:#E6E1D8;
  --white:#fff;
  --nav-h:72px;
  --wrap:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:840px;}

/* ============ 按鈕 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 24px;
  border-radius:2px;
  font-size:15px;
  font-weight:500;
  letter-spacing:.03em;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .25s var(--ease);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;fill:currentColor;flex:none;}

.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold);}
.btn-gold:hover{background:var(--gold-2);border-color:var(--gold-2);transform:translateY(-1px);box-shadow:0 8px 20px rgba(176,141,87,.28);}

.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-2);}

.btn-line{background:#06C755;color:#fff;border-color:#06C755;}
.btn-line:hover{background:#05b04b;border-color:#05b04b;transform:translateY(-1px);}

.btn-line-ghost{background:transparent;color:#06C755;border-color:rgba(6,199,85,.45);}
.btn-line-ghost:hover{background:rgba(6,199,85,.1);}

.btn-sm{padding:9px 16px;font-size:13.5px;}
.btn-lg{padding:17px 32px;font-size:16px;}
.btn-block{display:flex;width:100%;}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:var(--nav-h);
  background:rgba(251,250,247,.92);
  border-bottom:1px solid transparent;
  backdrop-filter:saturate(1.4) blur(14px);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);
  transition:border-color .3s,box-shadow .3s;
}
.nav.is-scrolled{border-bottom-color:var(--line);box-shadow:0 2px 20px rgba(20,20,20,.05);}

.nav-inner{
  max-width:var(--wrap);margin:0 auto;padding:0 24px;
  height:100%;display:flex;align-items:center;gap:32px;
}
.nav-brand{display:flex;align-items:center;gap:10px;flex:none;}
.nav-mark{height:40px;width:auto;display:block;}
.nav-wordmark{display:flex;flex-direction:column;line-height:1.1;}
.nav-wordmark b{font-size:15.5px;font-weight:900;letter-spacing:.1em;color:var(--ink);}
.nav-wordmark i{
  font-size:8.5px;letter-spacing:.15em;color:var(--muted);
  font-style:normal;text-transform:uppercase;margin-top:3px;
}

.nav-links{display:flex;gap:28px;margin-left:auto;}
.nav-links a{
  font-size:14px;color:var(--ink-2);position:relative;padding:6px 0;
  transition:color .2s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .28s var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{width:100%;}

.nav-cta{display:flex;gap:10px;flex:none;margin-left:8px;}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + clamp(40px,5vw,72px)) 0 clamp(56px,6vw,88px);
  background:#111114;
  color:#fff;
  overflow:hidden;
}
.hero-glow{
  position:absolute;inset:0;
  background:
    radial-gradient(58% 76% at 80% 26%,rgba(176,141,87,.20) 0%,rgba(176,141,87,0) 62%),
    radial-gradient(46% 56% at 6% 96%,rgba(176,141,87,.09) 0%,rgba(176,141,87,0) 70%);
}
.hero-glow::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:100% 3px;
  opacity:.5;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.06fr .94fr;
  gap:clamp(32px,5vw,72px);
  align-items:center;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;letter-spacing:.16em;
  color:var(--gold-3);
  margin-bottom:22px;
  font-weight:500;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;background:var(--gold-3);
  box-shadow:0 0 0 4px rgba(217,190,142,.18);flex:none;
}

.hero h1{
  font-size:clamp(30px,4.3vw,54px);
  font-weight:900;
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold-3);
  position:relative;
  white-space:nowrap;
}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.04em;height:2px;
  background:linear-gradient(to right,var(--gold),transparent);
}

.hero-sub{
  font-size:clamp(14.5px,1.5vw,16.5px);
  color:rgba(255,255,255,.72);
  line-height:1.85;
  margin-bottom:28px;
  font-weight:300;
  max-width:32em;
}

.hero-price{
  display:inline-flex;align-items:baseline;gap:10px;
  padding:12px 20px;
  border:1px solid rgba(217,190,142,.3);
  border-radius:2px;
  background:rgba(255,255,255,.04);
  margin-bottom:30px;
}
.hp-label{font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.06em;}
.hp-num{
  font-size:clamp(26px,3.2vw,34px);font-weight:900;color:var(--gold-3);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1;
}
.hp-unit{font-size:12.5px;color:rgba(255,255,255,.7);}

.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:38px;}

.hero-badges{
  display:flex;gap:0;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.6);
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;
  max-width:600px;
}
.hero-badges li{position:relative;padding-right:20px;margin-right:20px;}
.hero-badges li:not(:last-child)::after{
  content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:1px;height:12px;background:rgba(255,255,255,.18);
}
.hero-badges li::before{
  content:"✓";color:var(--gold-3);margin-right:7px;font-weight:700;
}

/* 主視覺照片 */
.hero-media{position:relative;min-width:0;}
.hero-shot{
  margin:0;position:relative;
  aspect-ratio:4/5;
  border-radius:3px;overflow:hidden;
  box-shadow:0 34px 80px rgba(0,0,0,.6);
  border:1px solid rgba(255,255,255,.09);
}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,10,12,.4) 0%,transparent 45%);
}
.hero-shot img{width:100%;height:100%;object-fit:cover;object-position:center 46%;}
.shot-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  font-size:11px;letter-spacing:.12em;font-weight:700;
  background:rgba(176,141,87,.94);color:#fff;
  padding:5px 11px;border-radius:2px;
}
.hero-stamp{
  position:absolute;right:-16px;bottom:34px;z-index:3;
  background:#fff;color:var(--ink);
  padding:15px 20px;border-radius:2px;
  box-shadow:0 18px 44px rgba(0,0,0,.45);
  text-align:center;border-top:3px solid var(--gold);
}
.hero-stamp strong{
  display:block;font-size:30px;font-weight:900;color:var(--gold-2);
  line-height:1;font-variant-numeric:tabular-nums;
}
.hero-stamp strong small{font-size:13px;margin-left:1px;}
.hero-stamp span{
  display:block;font-size:11px;letter-spacing:.12em;color:var(--muted);margin-top:7px;
  white-space:nowrap;
}

/* ============ SECTION 通用 ============ */
.section{padding:clamp(64px,8vw,104px) 0;}
.section-alt{background:var(--paper-2);}

.sec-head{margin-bottom:clamp(36px,4.5vw,56px);}
.sec-num{
  font-size:12px;letter-spacing:.24em;color:var(--gold);
  font-weight:700;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.sec-head h2{
  font-size:clamp(26px,3.6vw,40px);
  font-weight:900;letter-spacing:-.02em;
  margin-bottom:14px;
}
.sec-desc{color:var(--muted);font-size:15.5px;max-width:44em;line-height:1.8;}
.sec-head-light{color:#fff;}
.sec-head-light .sec-desc{color:rgba(255,255,255,.55);}

/* ============ 服務卡 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.card{
  background:var(--paper);padding:34px 28px 28px;
  transition:background .3s,transform .3s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{background:#fff;}
.card-ico{
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
  transition:border-color .3s,background .3s;
}
.card-ico svg{width:21px;height:21px;fill:none;stroke:var(--gold-2);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.card:hover .card-ico{border-color:var(--gold);background:rgba(176,141,87,.06);}
.card h3{font-size:17.5px;margin-bottom:12px;font-weight:700;}
.card p{font-size:14px;color:var(--muted);line-height:1.8;flex:1;}
.card-tag{
  margin-top:20px;font-size:13px;color:var(--gold-2);font-weight:700;
  letter-spacing:.02em;padding-top:14px;border-top:1px solid var(--line);
}

/* ============ 施工案例（前 → 後） ============ */
.case-list{display:flex;flex-direction:column;gap:clamp(40px,4.6vw,60px);}
.case{margin:0;}

.case-pair{
  display:grid;grid-template-columns:1fr auto 1fr;
  gap:14px;align-items:center;
}
.case-shot{
  position:relative;aspect-ratio:4/3;overflow:hidden;
  border-radius:3px;background:#E9E5DD;
  box-shadow:0 10px 34px rgba(20,20,20,.09);
}
.case-shot img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .8s var(--ease);
}
.case-shot:hover img{transform:scale(1.035);}
.case-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  font-size:11.5px;letter-spacing:.1em;font-weight:700;
  padding:5px 11px;border-radius:2px;
  background:rgba(23,23,26,.84);color:#fff;
}
.case-tag.is-after{background:var(--gold);}
.case-arrow{
  width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold-2);flex:none;
  box-shadow:0 4px 16px rgba(20,20,20,.08);
}
.case-arrow svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

.case figcaption{
  margin-top:16px;display:flex;flex-direction:column;gap:7px;
}
.case figcaption h3{font-size:17.5px;}
.case figcaption p{font-size:14px;color:var(--muted);line-height:1.85;max-width:62em;}

/* ============ 工序 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.step{
  background:var(--paper);padding:32px 28px 34px;
  position:relative;transition:background .3s;
}
.step:hover{background:#fff;}
.step-n{
  display:block;font-size:13px;font-weight:700;color:var(--gold);
  letter-spacing:.14em;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--muted);line-height:1.85;}

/* ============ 計算器 ============ */
.calc-sec{
  background:radial-gradient(120% 100% at 50% 0%,#26262C 0%,#16161A 55%,#101013 100%);
  color:#fff;
  padding:clamp(64px,8vw,104px) 0;
}
.calc-shell{
  display:grid;grid-template-columns:1.05fr .95fr;
  margin-top:8px;
  border-radius:3px;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.4);
}
.calc-controls{background:#fff;color:var(--ink);padding:clamp(26px,3.4vw,40px);}
.calc-result{
  background:linear-gradient(160deg,#22222A 0%,#17171C 60%,#131318 100%);
  padding:clamp(26px,3.4vw,40px);
  border-left:1px solid rgba(176,141,87,.3);
  position:relative;
}
.calc-result::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(to right,var(--gold),rgba(176,141,87,0));
}

.ctrl{margin-bottom:26px;}
.ctrl:last-child{margin-bottom:0;}
.ctrl-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px;}
.ctrl-head label,.ctrl-label{
  display:block;font-size:14px;font-weight:700;letter-spacing:.02em;
}
.ctrl-label{margin-bottom:12px;}
.ctrl-hint{font-size:12.5px;color:var(--muted);margin-top:10px;letter-spacing:.01em;}

.ping-input{display:flex;align-items:baseline;gap:4px;border-bottom:1px solid var(--line);padding-bottom:2px;}
.ping-input input{
  width:64px;border:0;background:transparent;text-align:right;
  font-size:22px;font-weight:900;color:var(--ink);font-family:inherit;
  padding:0;outline:none;font-variant-numeric:tabular-nums;
}
.ping-input input::-webkit-outer-spin-button,
.ping-input input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}
.ping-input span{font-size:13px;color:var(--muted);}

input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:6px;
  border-radius:3px;outline:none;cursor:pointer;
  background:linear-gradient(to right,var(--gold) var(--fill,0%),var(--line) var(--fill,0%));
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:26px;height:26px;border-radius:50%;
  background:var(--gold);border:4px solid #fff;
  box-shadow:0 2px 10px rgba(176,141,87,.5);cursor:pointer;
  transition:transform .15s;
}
input[type=range]::-webkit-slider-thumb:active{transform:scale(1.1);}
input[type=range]::-moz-range-thumb{
  width:22px;height:22px;border-radius:50%;background:var(--gold);
  border:4px solid #fff;box-shadow:0 2px 10px rgba(176,141,87,.5);cursor:pointer;
}
input[type=range]::-moz-range-track{height:6px;border-radius:3px;background:var(--line);}

.seg{display:flex;gap:8px;}
.seg-btn{
  flex:1;padding:12px 8px;border:1px solid var(--line);background:#fff;
  border-radius:2px;cursor:pointer;font-size:14px;color:var(--ink-2);
  transition:all .2s var(--ease);line-height:1.35;
  display:flex;flex-direction:column;align-items:center;gap:2px;font-weight:500;
}
.seg-btn:hover{border-color:var(--gold-3);}
.seg-btn.is-on{
  background:var(--gold);border-color:var(--gold);color:#fff;
  box-shadow:0 4px 14px rgba(176,141,87,.3);
}
.seg-note{font-size:11px;opacity:.65;font-weight:400;}

.ctrl-checks{border-top:1px solid var(--line);padding-top:22px;}
.check{display:flex;gap:12px;align-items:flex-start;cursor:pointer;margin-bottom:16px;}
.check:last-child{margin-bottom:0;}
.check input{position:absolute;opacity:0;width:0;height:0;}
.check-box{
  width:20px;height:20px;border:1px solid #C9C4BA;border-radius:2px;
  flex:none;margin-top:2px;position:relative;transition:all .2s;background:#fff;
}
.check input:checked + .check-box{background:var(--gold);border-color:var(--gold);}
.check input:checked + .check-box::after{
  content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;
  border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);
}
.check input:focus-visible + .check-box{outline:2px solid var(--gold);outline-offset:2px;}
.check-text{font-size:14px;font-weight:500;line-height:1.5;}
.check-text small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:2px;line-height:1.6;}

.res-label{
  font-size:12.5px;letter-spacing:.16em;color:rgba(255,255,255,.5);
  margin-bottom:12px;font-weight:500;
}
.res-price{
  font-size:clamp(28px,3.6vw,40px);font-weight:900;color:var(--gold-3);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
  display:flex;align-items:baseline;flex-wrap:wrap;gap:6px;
  margin-bottom:8px;
}
.res-price .res-tilde{font-size:.55em;color:rgba(255,255,255,.35);font-weight:400;}
.res-note{font-size:12px;color:rgba(255,255,255,.42);margin-bottom:26px;}

.res-breakdown{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:16px;margin-bottom:20px;
}
.res-breakdown li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13.5px;padding:7px 0;color:rgba(255,255,255,.72);
}
.res-breakdown li span:last-child{
  font-variant-numeric:tabular-nums;color:#fff;font-weight:500;flex:none;
}
.res-breakdown li small{
  font-size:11.5px;color:rgba(255,255,255,.4);margin-left:5px;
  font-weight:400;white-space:nowrap;
}
.res-breakdown li.is-sub{color:rgba(255,255,255,.45);font-size:12.5px;padding-top:0;}

.res-meta{
  display:flex;gap:1px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);margin-bottom:24px;border-radius:2px;overflow:hidden;
}
.res-meta > div{
  flex:1;background:rgba(255,255,255,.03);padding:12px 14px;
}
.res-meta span{display:block;font-size:11.5px;color:rgba(255,255,255,.45);margin-bottom:3px;}
.res-meta strong{font-size:16px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}

.res-fine{font-size:11.5px;color:rgba(255,255,255,.35);margin-top:14px;line-height:1.7;text-align:center;}

/* ============ WHY ============ */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;}
.why-item{display:flex;gap:20px;padding:28px 0;border-bottom:1px solid var(--line);}
.why-item:nth-last-child(-n+2){border-bottom:0;}
.why-ico{
  font-size:12px;font-weight:700;color:var(--gold);letter-spacing:.1em;
  padding-top:3px;flex:none;font-variant-numeric:tabular-nums;
}
.why-item h3{font-size:17px;margin-bottom:8px;}
.why-item p{font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:22px 40px 22px 0;
  font-size:16px;font-weight:700;position:relative;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:8px;top:50%;
  width:11px;height:11px;margin-top:-7px;
  border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);
  transform:rotate(45deg);transition:transform .28s var(--ease),border-color .2s;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:-3px;border-color:var(--gold);}
.faq-item summary:hover{color:var(--gold-2);}
.faq-a{
  padding:0 40px 24px 0;color:var(--muted);font-size:14.5px;line-height:1.9;
  animation:fade .3s var(--ease);
}
@keyframes fade{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ 聯絡 ============ */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(40px,6vw,88px);align-items:start;}
.contact-info .sec-num{margin-bottom:12px;}
.contact-info h2{font-size:clamp(26px,3.6vw,40px);font-weight:900;margin-bottom:16px;letter-spacing:-.02em;}
.contact-lead{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:34px;max-width:26em;}

.contact-list{border-top:1px solid var(--line);margin-bottom:32px;}
.contact-list li{
  display:flex;gap:20px;align-items:baseline;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.ci-label{font-size:12px;letter-spacing:.12em;color:var(--muted);flex:none;width:72px;}
.ci-value{font-size:17px;font-weight:700;letter-spacing:.01em;transition:color .2s;}
a.ci-value:hover{color:var(--gold-2);}
.ci-plain{font-weight:500;font-size:14.5px;line-height:1.6;}

.form{
  background:#fff;border:1px solid var(--line);border-radius:3px;
  padding:clamp(24px,3vw,38px);
  box-shadow:0 16px 50px rgba(20,20,20,.05);
}
.form-title{font-size:19px;margin-bottom:24px;font-weight:700;}
.field{margin-bottom:18px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field label{display:block;font-size:13px;font-weight:500;margin-bottom:7px;color:var(--ink-2);}
.req{color:#C0552F;}

.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:2px;font-family:inherit;font-size:15px;color:var(--ink);
  background:var(--paper);outline:none;
  transition:border-color .2s,background .2s,box-shadow .2s;
  -webkit-appearance:none;appearance:none;
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237C7C83' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:16px;
  padding-right:38px;
}
.field textarea{resize:vertical;min-height:88px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#B4B0A8;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(176,141,87,.1);
}
.field.has-err input,.field.has-err select{border-color:#C0552F;background:#FFF8F6;}
.err{font-size:12px;color:#C0552F;margin-top:5px;display:none;}
.field.has-err .err{display:block;}

.form-summary{
  font-size:12.5px;color:var(--gold-2);background:rgba(176,141,87,.08);
  border-left:2px solid var(--gold);padding:10px 14px;margin-bottom:18px;line-height:1.7;
}
.form-fine{font-size:11.5px;color:var(--muted);margin-top:14px;line-height:1.7;}

.form-done{text-align:center;padding:28px 8px 8px;}
.done-ico{
  width:56px;height:56px;border-radius:50%;background:rgba(176,141,87,.12);
  color:var(--gold);font-size:26px;display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;border:1px solid rgba(176,141,87,.3);
}
.form-done h4{font-size:19px;margin-bottom:10px;}
.form-done p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:22px;}

/* ============ FOOTER ============ */
.footer{background:#111114;color:rgba(255,255,255,.6);padding:64px 0 0;}
.footer-inner{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand-row{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-mark{height:34px;width:auto;}
.footer-brand-row span{
  font-size:17px;font-weight:900;letter-spacing:.12em;color:#fff;
}
.footer-brand p{font-size:13.5px;line-height:1.9;}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-links a:hover{color:var(--gold-3);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;align-items:flex-start;}
.footer-contact a:hover{color:var(--gold-3);}
.footer-copy{padding:22px 24px 26px;font-size:12.5px;color:rgba(255,255,255,.32);}

/* ============ 手機底部 BAR ============ */
.mobile-bar{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:90;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:8px 10px calc(8px + env(safe-area-inset-bottom));
  gap:8px;
  box-shadow:0 -4px 20px rgba(20,20,20,.07);
}
.mb-btn{
  flex:1;text-align:center;padding:12px 6px;border-radius:2px;
  font-size:14px;font-weight:700;letter-spacing:.03em;
  display:flex;align-items:center;justify-content:center;gap:6px;
}
.mb-btn svg{width:16px;height:16px;fill:currentColor;}
.mb-call{background:var(--ink);color:#fff;}
.mb-line{background:#06C755;color:#fff;}
.mb-calc{background:var(--gold);color:#fff;}

/* ============ 進場動畫 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* ============ RWD ============ */
@media (max-width:1080px){
  .nav-links{gap:20px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:900px){
  .nav-links{display:none;}
  .nav-cta{margin-left:auto;}
  .nav-cta .btn-ghost{display:none;}
  .case figcaption{flex-direction:column;gap:6px;}
  .calc-shell{grid-template-columns:1fr;}
  .calc-result{border-left:0;border-top:1px solid rgba(176,141,87,.25);}
  .contact-grid{grid-template-columns:1fr;gap:44px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .why-item{padding:24px 0;}
  .why-item:nth-last-child(-n+2){border-bottom:1px solid var(--line);}
  .why-item:last-child{border-bottom:0;}
}

@media (max-width:720px){
  :root{--nav-h:62px;}
  body{font-size:15.5px;line-height:1.75;}
  .wrap{padding:0 20px;}
  .nav-logo,.nav-mark{height:36px;}
  .nav-inner{padding:0 20px;gap:16px;}

  .hero{padding:calc(var(--nav-h) + 38px) 0 56px;}
  .hero-inner{grid-template-columns:1fr;gap:38px;}
  .hero-shot{aspect-ratio:3/4;}
  .hero-stamp{right:12px;bottom:14px;padding:12px 16px;}
  .hero-stamp strong{font-size:25px;}
  .hero-stamp span{font-size:10px;margin-top:5px;}
  .hero-badges{gap:0;padding-top:18px;font-size:12.5px;}
  .hero-badges li{padding-right:14px;margin-right:14px;margin-bottom:6px;}
  .hero-actions{gap:10px;margin-bottom:32px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-price{width:100%;justify-content:center;}

  .grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;gap:0;}
  .why-item{padding:22px 0;gap:16px;}
  .why-item:nth-last-child(-n+2){border-bottom:1px solid var(--line);}
  .why-item:last-child{border-bottom:0;}

  .case-pair{grid-template-columns:1fr;gap:10px;}
  .case-arrow{transform:rotate(90deg);margin:0 auto;}
  .case figcaption h3{font-size:16.5px;}

  .field-row{grid-template-columns:1fr;}
  .contact-list li{flex-direction:column;gap:4px;}
  .ci-label{width:auto;}

  .footer-inner{grid-template-columns:1fr;gap:32px;}
  .footer{padding-top:48px;}

  .mobile-bar{display:flex;}
  body{padding-bottom:76px;}
  .footer-copy{padding-bottom:12px;}
}

@media (max-width:380px){
  .seg{flex-wrap:wrap;}
  .seg-btn{flex:1 1 46%;}
}

/* ===========================================================
   法務頁：隱私權政策 / 服務條款
   =========================================================== */
.legal{padding:calc(var(--nav-h) + 52px) 0 96px;}

.crumb{
  display:flex;gap:8px;align-items:center;
  font-size:13px;color:var(--muted);margin-bottom:26px;
}
.crumb a{transition:color .2s;}
.crumb a:hover{color:var(--gold-2);}
.crumb span{color:#C9C4BA;}

.legal-head{border-bottom:1px solid var(--line);padding-bottom:32px;}
.legal-kicker{
  font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);font-weight:700;margin-bottom:14px;
}
.legal-head h1{font-size:clamp(25px,3.8vw,38px);line-height:1.3;margin-bottom:16px;font-weight:900;}
.legal-meta{font-size:12.5px;color:var(--muted);letter-spacing:.03em;}
.legal-lead{font-size:15.5px;color:var(--ink-2);line-height:1.95;margin-top:20px;}
.legal-note{
  background:rgba(176,141,87,.07);
  border-left:2px solid var(--gold);
  padding:15px 18px;margin-top:24px;border-radius:2px;
  font-size:13.5px;color:var(--ink-2);line-height:1.9;
}

.legal-toc{
  display:grid;grid-template-columns:1fr 1fr;gap:0 34px;
  padding:24px 0 8px;border-bottom:1px solid var(--line);margin-bottom:6px;
}
.legal-toc a{
  display:block;font-size:13.5px;color:var(--ink-2);padding:8px 0 8px 12px;
  border-bottom:1px dashed rgba(23,23,26,.08);
  position:relative;transition:color .2s,padding .2s;
}
.legal-toc a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:3px;border-radius:50%;background:var(--gold-3);
  transition:background .2s;
}
.legal-toc a:hover{color:var(--gold-2);padding-left:16px;}
.legal-toc a:hover::before{background:var(--gold);}

.legal-sec{padding:36px 0 4px;scroll-margin-top:calc(var(--nav-h) + 24px);}
.legal-sec h2{
  font-size:18.5px;margin-bottom:16px;font-weight:700;letter-spacing:0;
  padding-bottom:10px;border-bottom:1px solid rgba(176,141,87,.25);
}
.legal-sec h3{font-size:14.5px;margin:24px 0 10px;color:var(--ink);font-weight:700;}
.legal-sec p,.legal-sec li{font-size:14.5px;color:var(--ink-2);line-height:1.95;}
.legal-sec p + p{margin-top:13px;}
.legal-sec strong{color:var(--ink);font-weight:700;}
.legal-sec a{
  color:var(--gold-2);text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:1px;
  transition:color .2s;
}
.legal-sec a:hover{color:var(--ink);}
.legal-sec code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:12.5px;background:var(--paper-2);padding:1px 5px;border-radius:2px;
  word-break:break-all;
}

.legal-sec ul{margin:12px 0 4px;}
.legal-sec ul li{position:relative;padding-left:18px;margin-bottom:9px;}
.legal-sec ul li::before{
  content:"";position:absolute;left:3px;top:12px;
  width:4px;height:4px;border-radius:50%;background:var(--gold);
}

.legal-sec ol{margin:14px 0 4px;counter-reset:lg;}
.legal-sec ol > li{
  position:relative;padding-left:30px;margin-bottom:20px;
  counter-increment:lg;
}
.legal-sec ol > li::before{
  content:counter(lg);
  position:absolute;left:0;top:3px;
  width:19px;height:19px;border-radius:50%;
  background:rgba(176,141,87,.12);color:var(--gold-2);
  font-size:11px;font-weight:700;line-height:19px;text-align:center;
  font-variant-numeric:tabular-nums;
}

.legal-table{
  width:100%;border-collapse:collapse;margin:16px 0 10px;
  font-size:13px;
}
.legal-table th,.legal-table td{
  border:1px solid var(--line);padding:10px 12px;
  text-align:left;vertical-align:top;line-height:1.75;
}
.legal-table th{
  background:var(--paper-2);font-weight:700;font-size:12.5px;
  color:var(--ink);white-space:nowrap;
}
.legal-table td{color:var(--ink-2);}
.legal-table td strong{color:var(--ink);}

.legal-foot{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.9;
}
.legal-back{
  display:inline-flex;align-items:center;gap:8px;margin-top:36px;
  font-size:14px;font-weight:500;color:var(--gold-2);
  transition:gap .25s var(--ease),color .2s;
}
.legal-back:hover{gap:13px;color:var(--ink);}

/* ===========================================================
   表單：個人資料同意區塊
   =========================================================== */
.consent{
  border:1px solid var(--line);background:var(--paper);
  padding:15px 16px 13px;border-radius:2px;margin:2px 0 18px;
  transition:border-color .2s,background .2s;
}
.consent.has-err{border-color:#C0552F;background:#FFF8F6;}
.consent .check{margin-bottom:0;}
.consent .check-text{
  font-size:12.5px;font-weight:400;line-height:1.8;color:var(--ink-2);
}
.consent .check-text a{
  color:var(--gold-2);font-weight:500;
  text-decoration:underline;text-underline-offset:2px;
}
.consent-err{
  font-size:12px;color:#C0552F;margin-top:9px;display:none;
}
.consent.has-err .consent-err{display:block;}

.consent-detail{border-top:1px dashed var(--line);margin-top:12px;padding-top:10px;}
.consent-detail summary{
  font-size:12px;color:var(--muted);cursor:pointer;list-style:none;
  display:flex;align-items:center;gap:6px;font-weight:500;
  transition:color .2s;
}
.consent-detail summary:hover{color:var(--gold-2);}
.consent-detail summary::-webkit-details-marker{display:none;}
.consent-detail summary::before{
  content:"＋";color:var(--gold);font-weight:700;font-size:13px;
  line-height:1;flex:none;
}
.consent-detail[open] summary::before{content:"－";}
.consent-detail[open] summary{margin-bottom:10px;}

.inform-list{
  display:grid;grid-template-columns:78px 1fr;gap:7px 10px;
  margin:0 0 10px;font-size:11.5px;line-height:1.8;
}
.inform-list dt{color:var(--muted);font-weight:500;white-space:nowrap;}
.inform-list dd{margin:0;color:var(--ink-2);}
.consent-detail .more{font-size:11.5px;}
.consent-detail .more a{
  color:var(--gold-2);text-decoration:underline;text-underline-offset:2px;
}

/* ===========================================================
   首頁：個人資料蒐集提示（可關閉）
   =========================================================== */
.privacy-banner{
  position:fixed;left:20px;bottom:20px;z-index:80;
  width:min(392px,calc(100vw - 40px));
  background:#fff;border:1px solid var(--line);border-radius:3px;
  box-shadow:0 18px 48px rgba(20,20,20,.18);
  padding:18px 20px 16px;
  opacity:0;transform:translateY(18px);pointer-events:none;
  transition:opacity .4s var(--ease),transform .5s var(--ease);
}
.privacy-banner.is-on{opacity:1;transform:none;pointer-events:auto;}
.privacy-banner h4{
  font-size:13.5px;margin-bottom:8px;
  display:flex;align-items:center;gap:8px;
}
.privacy-banner h4::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--gold);flex:none;
}
.privacy-banner p{
  font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:13px;
}
.privacy-banner p a{
  color:var(--gold-2);text-decoration:underline;text-underline-offset:2px;
}
.pb-actions{display:flex;align-items:center;gap:14px;}
.pb-actions .btn{padding:8px 18px;font-size:12.5px;}
.pb-close{
  background:none;border:0;padding:4px 0;cursor:pointer;
  font-size:12px;color:var(--muted);font-family:inherit;
  transition:color .2s;
}
.pb-close:hover{color:var(--ink);}

/* ===========================================================
   頁尾法務連結
   =========================================================== */
.footer-legal{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;
  margin-top:10px;font-size:12px;
}
.footer-legal a{
  color:rgba(255,255,255,.55);text-decoration:underline;
  text-underline-offset:2px;transition:color .2s;
}
.footer-legal a:hover{color:var(--gold-3);}
.footer-legal span{color:rgba(255,255,255,.28);}

@media (max-width:720px){
  .legal{padding:calc(var(--nav-h) + 34px) 0 72px;}
  .legal-toc{grid-template-columns:1fr;gap:0;padding-top:18px;}
  .legal-sec{padding:30px 0 2px;}
  .legal-sec h2{font-size:17px;}
  .legal-sec p,.legal-sec li{font-size:14px;line-height:1.9;}
  .legal-table{font-size:12px;}
  .legal-table th,.legal-table td{padding:8px 9px;}
  .legal-table th{white-space:normal;}
  .legal-lead{font-size:14.5px;}

  .privacy-banner{
    left:10px;right:10px;bottom:calc(76px + env(safe-area-inset-bottom));
    width:auto;padding:15px 16px 13px;
  }
  .inform-list{grid-template-columns:1fr;gap:2px 0;}
  .inform-list dt{margin-top:6px;color:var(--gold-2);}
}

/* ============ 防機器人蜜罐欄位（真人看不到） ============ */
.hp-field{
  position:absolute !important;
  left:-9999px !important;
  top:auto;
  width:1px;height:1px;
  overflow:hidden;
  opacity:0;
  pointer-events:none;
}