/* ============================================================
   GFBGFB — Brand Website Stylesheet
   Palette : Primary #E8491C  /  Accent #F5A623
   Type    : Poppins (headings) + Inter (body)
   ============================================================ */

:root{
  /* brand */
  --primary:#E8491C;
  --primary-dark:#C23A12;
  --primary-soft:rgba(232,73,28,.08);
  --primary-line:rgba(232,73,28,.16);
  --accent:#F5A623;
  --accent-dark:#D98A0C;
  --accent-soft:rgba(245,166,35,.12);

  /* neutrals */
  --ink:#14141F;
  --text:#1A1A2E;
  --text-2:#4A4A5A;
  --text-3:#7C7C8C;
  --line:#E9E9EF;
  --line-soft:#F1F1F5;

  /* surfaces */
  --bg:#FFFFFF;
  --bg-warm:#FFF8F3;
  --bg-cream:#FFFBF7;
  --bg-light:#F7F7FA;
  --bg-dark:#12121C;
  --bg-dark-2:#1B1B28;

  /* effects */
  --shadow-xs:0 1px 2px rgba(20,20,31,.05);
  --shadow-sm:0 2px 10px rgba(20,20,31,.06);
  --shadow:0 10px 34px rgba(20,20,31,.09);
  --shadow-lg:0 26px 70px rgba(20,20,31,.14);
  --shadow-brand:0 14px 38px rgba(232,73,28,.26);

  /* geometry */
  --r-xs:8px; --r-sm:12px; --r-md:18px; --r-lg:26px; --r-xl:34px; --r-pill:999px;
  --maxw:1220px;
  --header-h:76px;

  --ease:cubic-bezier(.22,.75,.28,1);
  --t:all .38s var(--ease);
}

/* ---------- reset ---------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px);}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
  font-size:16px;line-height:1.68;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,picture,video,svg{max-width:100%;display:block;}
/* 关键：img 必须 height:auto。width/height 属性会作为固定高度生效，
   若 CSS 只约束了宽度（width:100% 或 max-width:100%），高度就会停留在
   属性值上，导致图片被纵向拉伸。凡需要固定高度的地方（.bento-item img、
   .thumb img）由更具体的选择器显式覆盖 height，并配 object-fit。 */
img{height:auto;}
a{text-decoration:none;color:inherit;}
button{font:inherit;color:inherit;}
ul,ol{list-style:none;}
::selection{background:var(--primary);color:#fff;}

/* ---------- typography ---------- */
h1,h2,h3,h4,h5{
  font-family:'Poppins',sans-serif;
  font-weight:700;line-height:1.16;letter-spacing:-.022em;color:var(--ink);
}
h1{font-size:clamp(2.3rem,5.4vw,3.9rem);font-weight:800;}
h2{font-size:clamp(1.7rem,3.9vw,2.7rem);}
h3{font-size:clamp(1.1rem,2.1vw,1.4rem);}
p{color:var(--text-2);}
strong{color:var(--ink);font-weight:600;}

/* ---------- layout ---------- */
.container{width:min(92%,var(--maxw));margin-inline:auto;}
.container-narrow{width:min(92%,820px);margin-inline:auto;}
section{padding:clamp(64px,8vw,116px) 0;position:relative;}
.section-dark{background:var(--bg-dark);color:#E8E8F0;}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:#fff;}
.section-dark p{color:rgba(232,232,240,.66);}
.bg-warm{background:var(--bg-warm);}
.bg-cream{background:var(--bg-cream);}
.bg-light{background:var(--bg-light);}

.sec-head{max-width:660px;margin:0 auto clamp(38px,5vw,58px);text-align:center;}
.sec-head p{font-size:1.06rem;margin-top:14px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Poppins',sans-serif;
  font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);margin-bottom:14px;
}
.eyebrow::before{content:'';width:22px;height:2px;border-radius:2px;background:currentColor;}
.sec-head .eyebrow{justify-content:center;}
.section-dark .eyebrow{color:var(--accent);}

.text-center{text-align:center;}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:fixed;inset:0 0 auto 0;height:var(--header-h);z-index:900;
  display:flex;align-items:center;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),height .35s var(--ease);
}
.header-inner{
  width:min(94%,1360px);margin-inline:auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{
  font-family:'Poppins',sans-serif;font-size:1.62rem;font-weight:800;
  letter-spacing:-.035em;color:var(--primary);line-height:1;
}
.logo span{color:var(--accent);}
.logo:hover{opacity:.85;}

.nav{display:flex;align-items:center;gap:34px;}
.nav a{
  position:relative;font-size:.94rem;font-weight:500;color:var(--text);padding:6px 0;
  transition:color .25s;
}
.nav a::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--primary);border-radius:2px;transition:width .3s var(--ease);
}
.nav a:hover,.nav a.active{color:var(--primary);}
.nav a:hover::after,.nav a.active::after{width:100%;}
.nav .btn-nav{
  padding:10px 22px;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;font-weight:600;font-size:.9rem;
  box-shadow:0 8px 20px rgba(232,73,28,.24);
  transition:var(--t);
}
.nav .btn-nav::after{display:none;}
.nav .btn-nav:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);}

/* transparent-over-hero variant */
.header.on-hero:not(.scrolled) .logo{color:#fff;}
.header.on-hero:not(.scrolled) .nav a{color:rgba(255,255,255,.9);}
.header.on-hero:not(.scrolled) .nav a:hover{color:#fff;}
.header.on-hero:not(.scrolled) .nav a::after{background:#fff;}
.header.on-hero:not(.scrolled) .hamburger span{background:#fff;}

.header.scrolled{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(16px) saturate(1.6);
  backdrop-filter:blur(16px) saturate(1.6);
  box-shadow:0 1px 0 rgba(20,20,31,.06),0 8px 30px rgba(20,20,31,.05);
}

.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none;}
.hamburger span{display:block;width:25px;height:2.5px;background:var(--text);border-radius:2px;transition:var(--t);}
.hamburger.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
.hamburger.active span:nth-child(2){opacity:0;}
.hamburger.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 33px;border-radius:var(--r-pill);border:none;cursor:pointer;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:.98rem;line-height:1;
  transition:var(--t);white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex-shrink:0;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-brand);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:0 18px 44px rgba(232,73,28,.36);}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-3px);}
.btn-white{background:#fff;color:var(--primary);box-shadow:var(--shadow);}
.btn-white:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-3px);}
.btn-sm{padding:11px 24px;font-size:.9rem;}
.btn-lg{padding:18px 40px;font-size:1.05rem;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}
.btn-row.center{justify-content:center;}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:calc(var(--header-h) + 46px) 0 64px;overflow:hidden;
  background:
    radial-gradient(1100px 700px at 78% 8%,rgba(245,166,35,.20),transparent 62%),
    radial-gradient(900px 600px at 8% 92%,rgba(232,73,28,.14),transparent 62%),
    linear-gradient(160deg,#FFF3EA 0%,#FFF9F5 46%,#FFEFDE 100%);
}
.hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px,rgba(26,26,46,.055) 1px,transparent 0);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 40%,#000 0%,transparent 78%);
}
.hero .orb{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;}
.hero .orb-a{width:520px;height:520px;background:rgba(232,73,28,.20);top:-12%;right:-6%;animation:float 11s ease-in-out infinite;}
.hero .orb-b{width:420px;height:420px;background:rgba(245,166,35,.24);bottom:-14%;left:-9%;animation:float 13s ease-in-out infinite -5s;}
@keyframes float{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-22px,24px) scale(1.07);}}

.hero-inner{
  position:relative;z-index:2;width:min(92%,var(--maxw));margin-inline:auto;
  display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.76);border:1px solid var(--primary-line);
  color:var(--primary);font-size:.83rem;font-weight:700;letter-spacing:.03em;
  font-family:'Poppins',sans-serif;margin-bottom:22px;
  box-shadow:0 4px 14px rgba(232,73,28,.08);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero-tag i{
  width:7px;height:7px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 0 4px rgba(232,73,28,.16);animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(232,73,28,.16);}50%{box-shadow:0 0 0 8px rgba(232,73,28,.05);}}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--primary);position:relative;}
.hero h1 em::after{
  content:'';position:absolute;left:0;right:0;bottom:.06em;height:.14em;
  background:linear-gradient(90deg,var(--accent),rgba(245,166,35,.25));
  border-radius:4px;z-index:-1;
}
.hero-lead{font-size:1.13rem;color:var(--text-2);max-width:520px;margin-bottom:32px;}

.hero-facts{display:flex;gap:26px;margin-top:36px;flex-wrap:wrap;}
.hero-fact{display:flex;flex-direction:column;}
.hero-fact b{font-family:'Poppins',sans-serif;font-size:1.34rem;font-weight:700;color:var(--ink);line-height:1.2;}
.hero-fact span{font-size:.79rem;color:var(--text-3);letter-spacing:.03em;text-transform:uppercase;font-weight:600;}

.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;}
.hero-visual .halo{
  position:absolute;width:82%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.95) 0%,rgba(255,255,255,.5) 42%,transparent 70%);
  filter:blur(6px);
}
/* picture 必须是确定宽度：否则内部 img 的 width:100% 会成为循环百分比，
   在图片尚未加载时塌陷为 0，加载后又会按图片自身宽度而非容器宽度排版。 */
.hero-visual picture{position:relative;z-index:2;display:block;width:100%;}
.hero-visual img{
  width:100%;max-width:560px;height:auto;margin-inline:auto;
  filter:drop-shadow(0 34px 54px rgba(180,60,20,.22));
  animation:hover 7s ease-in-out infinite;
}
@keyframes hover{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}

.chip{
  position:absolute;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.9);
  box-shadow:0 12px 30px rgba(20,20,31,.12);
  font-size:.8rem;font-weight:600;color:var(--ink);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  animation:hover 6s ease-in-out infinite;
}
.chip svg{width:16px;height:16px;color:var(--primary);}
.chip-1{top:9%;left:-2%;animation-delay:-1s;}
.chip-2{top:44%;right:-3%;animation-delay:-2.6s;}
.chip-3{bottom:12%;left:5%;animation-delay:-4.2s;}

.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  z-index:3;display:flex;flex-direction:column;align-items:center;gap:7px;
  font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-3);font-weight:600;
}
.scroll-hint i{width:1.5px;height:34px;background:linear-gradient(var(--primary),transparent);border-radius:2px;animation:drop 2.2s ease-in-out infinite;}
@keyframes drop{0%,100%{opacity:.35;transform:scaleY(.6);}50%{opacity:1;transform:scaleY(1);}}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust{
  background:var(--bg-dark);color:#fff;padding:0;
  border-top:1px solid rgba(255,255,255,.06);
}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  width:min(92%,var(--maxw));margin-inline:auto;
}
.trust-item{
  padding:32px 26px;text-align:center;position:relative;
}
.trust-item+.trust-item::before{
  content:'';position:absolute;left:0;top:24%;bottom:24%;width:1px;
  background:linear-gradient(transparent,rgba(255,255,255,.16),transparent);
}
.trust-item b{
  display:block;font-family:'Poppins',sans-serif;font-size:clamp(1.4rem,2.6vw,1.9rem);
  font-weight:700;color:#fff;line-height:1.1;letter-spacing:-.02em;
}
.trust-item b em{font-style:normal;color:var(--accent);}
.trust-item span{display:block;font-size:.82rem;color:rgba(255,255,255,.55);margin-top:7px;letter-spacing:.02em;}

/* ============================================================
   CARDS
   ============================================================ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:44px;align-items:center;}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 32px;transition:var(--t);position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);border-color:transparent;}
.card h3{margin-bottom:11px;}
.card p{font-size:.955rem;line-height:1.68;}
.card-icon{
  width:58px;height:58px;border-radius:17px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary-soft),var(--accent-soft));
  color:var(--primary);margin-bottom:22px;
}
.card-icon svg{width:27px;height:27px;}

.section-dark .card{background:var(--bg-dark-2);border-color:rgba(255,255,255,.08);}
.section-dark .card:hover{background:#22222f;box-shadow:0 24px 60px rgba(0,0,0,.42);}
.section-dark .card-icon{background:linear-gradient(140deg,rgba(232,73,28,.24),rgba(245,166,35,.18));color:var(--accent);}

/* numbered feature card */
.tcard{
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--r-lg);padding:34px 30px;transition:var(--t);position:relative;
}
.tcard:hover{background:rgba(255,255,255,.07);border-color:rgba(245,166,35,.36);transform:translateY(-6px);}
.tcard .num{
  font-family:'Poppins',sans-serif;font-size:.76rem;font-weight:700;letter-spacing:.14em;
  color:var(--accent);margin-bottom:18px;display:block;
}
.tcard .tico{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(140deg,rgba(232,73,28,.26),rgba(245,166,35,.16));
}
.tcard .tico svg{width:26px;height:26px;color:var(--accent);}
.tcard h3{font-size:1.16rem;margin-bottom:10px;color:#fff;}
.tcard p{font-size:.925rem;line-height:1.66;}

/* ============================================================
   PRODUCT SHOWCASE + COLOR TABS
   ============================================================ */
.showcase{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;}
.stage{
  position:relative;border-radius:var(--r-xl);
  background:
    radial-gradient(circle at 50% 42%,#FFF4EC 0%,#FFFBF8 52%,#FFF6EF 100%);
  border:1px solid var(--line-soft);
  padding:44px;display:grid;place-items:center;min-height:440px;
  box-shadow:inset 0 1px 0 #fff,var(--shadow-sm);
  overflow:hidden;
}
.stage::before{
  content:'';position:absolute;width:62%;aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(245,166,35,.14),transparent 68%);
}
/* 同上：给 picture 确定宽度，避免 stage 内图片在加载前塌陷、加载后不撑满 */
.stage picture{display:block;width:100%;}
.stage img{position:relative;width:100%;max-width:430px;height:auto;margin-inline:auto;filter:drop-shadow(0 26px 42px rgba(180,60,20,.20));transition:opacity .32s var(--ease),transform .5s var(--ease);}
.stage.swap img{opacity:0;transform:scale(.97);}

/* variant tabs */
.tabs{display:inline-flex;gap:6px;padding:6px;border-radius:var(--r-pill);background:var(--bg-light);border:1px solid var(--line);margin-bottom:22px;}.tab{
  padding:10px 22px;border-radius:var(--r-pill);border:none;background:transparent;
  font-family:'Poppins',sans-serif;font-size:.88rem;font-weight:600;color:var(--text-3);
  cursor:pointer;transition:var(--t);display:inline-flex;align-items:center;gap:9px;
}
.tab i{width:14px;height:14px;border-radius:50%;border:1.5px solid rgba(20,20,31,.16);}
.tab[data-v="white"] i{background:#fff;}
.tab[data-v="black"] i{background:#1D1D24;border-color:#1D1D24;}
.tab.active{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);}

/* spec list */
.spec-list{display:flex;flex-direction:column;gap:0;margin:26px 0 30px;}
.spec-row{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:14px 0;border-bottom:1px solid var(--line-soft);
}
.spec-row:last-child{border-bottom:none;}
.spec-row dt{font-size:.9rem;color:var(--text-3);font-weight:500;}
.spec-row dd{font-size:.95rem;font-weight:600;color:var(--ink);text-align:right;}

.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:var(--bg-warm);border:1px solid var(--primary-line);
  font-size:.83rem;font-weight:600;color:var(--ink);
}
.tag svg{width:15px;height:15px;color:var(--primary);flex-shrink:0;}

/* gallery thumbnails */
.gallery-thumbs{display:flex;gap:12px;margin-top:16px;justify-content:center;flex-wrap:wrap;}
.thumb{
  width:84px;height:84px;border-radius:var(--r-sm);padding:6px;cursor:pointer;
  background:#fff;border:1.5px solid var(--line);transition:var(--t);
  display:grid;place-items:center;
}
.thumb img{width:100%;height:100%;object-fit:contain;}
.thumb:hover{border-color:var(--primary-line);transform:translateY(-2px);}
.thumb.active{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft);}
@media (max-width:520px){.thumb{width:66px;height:66px;}}

/* ============================================================
   BENTO (lifestyle)
   ============================================================ */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:212px;gap:18px;}
.bento-item{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);background:var(--bg-light);
}
.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);}
.bento-item:hover img{transform:scale(1.055);}
.bento-item figcaption{
  position:absolute;inset:auto 0 0 0;padding:44px 22px 20px;
  background:linear-gradient(transparent,rgba(12,12,22,.82));
  color:#fff;font-size:.94rem;font-weight:600;font-family:'Poppins',sans-serif;
}
.bento-item figcaption small{display:block;font-family:'Inter',sans-serif;font-weight:400;font-size:.8rem;color:rgba(255,255,255,.72);margin-top:3px;}
.b-span2{grid-column:span 2;}
.b-row2{grid-row:span 2;}

/* ============================================================
   STEPS / TIMELINE
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;}
.step{padding:0 24px;position:relative;}
.step::before{
  content:'';position:absolute;top:19px;left:0;right:0;height:1.5px;
  background:var(--line);z-index:0;
}
.step:first-child::before{left:50%;}
.step:last-child::before{right:50%;}
.step .dot{
  position:relative;z-index:1;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;margin-bottom:20px;
  background:#fff;border:1.5px solid var(--primary-line);
  font-family:'Poppins',sans-serif;font-size:.85rem;font-weight:700;color:var(--primary);
}
.step.active .dot{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 0 0 6px rgba(232,73,28,.1);}
.step h4{font-family:'Poppins',sans-serif;font-size:1.02rem;font-weight:600;color:var(--ink);margin-bottom:8px;}
.step p{font-size:.9rem;}

/* ============================================================
   SPEC GRID
   ============================================================ */
.spec-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:#fff;
}
.spec-cell{padding:26px 28px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.spec-cell:nth-child(3n){border-right:none;}
.spec-cell .k{font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--text-3);font-weight:600;margin-bottom:7px;}
.spec-cell .v{font-family:'Poppins',sans-serif;font-size:1.02rem;font-weight:600;color:var(--ink);}

/* classic table (manual pages) */
.specs-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-xs);}
.specs-table th,.specs-table td{padding:15px 22px;text-align:left;font-size:.94rem;border-bottom:1px solid var(--line-soft);}
.specs-table th{background:var(--bg-warm);font-weight:600;color:var(--ink);width:36%;}
.specs-table tr:last-child th,.specs-table tr:last-child td{border-bottom:none;}
.specs-table td{color:var(--text-2);}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list{display:flex;flex-direction:column;gap:11px;max-width:840px;margin-inline:auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:var(--t);}
.faq-item:hover{border-color:var(--primary-line);}
.faq-item.open{border-color:var(--primary-line);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;padding:20px 26px;display:flex;justify-content:space-between;align-items:center;gap:18px;
  background:none;border:none;cursor:pointer;text-align:left;
  font-family:'Poppins',sans-serif;font-size:1rem;font-weight:600;color:var(--ink);
}
.faq-q i{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;position:relative;
  background:var(--bg-warm);border:1px solid var(--primary-line);transition:var(--t);
}
.faq-q i::before,.faq-q i::after{
  content:'';position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:var(--t);
}
.faq-q i::before{width:11px;height:1.8px;}
.faq-q i::after{width:1.8px;height:11px;}
.faq-item.open .faq-q i{background:var(--primary);border-color:var(--primary);transform:rotate(90deg);}
.faq-item.open .faq-q i::before,.faq-item.open .faq-q i::after{background:#fff;}
.faq-item.open .faq-q i::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .42s var(--ease);}
.faq-a-inner{padding:0 26px 22px;font-size:.94rem;color:var(--text-2);line-height:1.72;}

/* ============================================================
   FORMS
   ============================================================ */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-sm);}
.fg{margin-bottom:17px;}
.fg label{display:block;font-size:.87rem;font-weight:600;color:var(--ink);margin-bottom:7px;}
.fg input,.fg textarea,.fg select{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  border:1.5px solid var(--line);background:#fff;
  font-family:inherit;font-size:.97rem;color:var(--ink);transition:var(--t);
}
.fg textarea{min-height:132px;resize:vertical;}
.fg input:focus,.fg textarea:focus,.fg select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3.5px var(--primary-soft);
}
.fg input::placeholder,.fg textarea::placeholder{color:#B4B4C0;}
.form-note{font-size:.83rem;color:var(--text-3);margin-top:14px;line-height:1.6;}

.contact-card{
  display:flex;align-items:center;gap:15px;padding:17px 20px;
  background:var(--bg-warm);border:1px solid var(--line-soft);
  border-radius:var(--r-md);margin-bottom:12px;transition:var(--t);cursor:pointer;
  text-align:left;width:100%;font-family:inherit;
}
.contact-card:hover{border-color:var(--primary-line);transform:translateX(4px);}
.contact-card .ico{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:#fff;color:var(--primary);box-shadow:var(--shadow-xs);
}
.contact-card .ico svg{width:19px;height:19px;}
.contact-card strong{display:block;font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-3);font-weight:600;}
.contact-card span{font-size:.98rem;font-weight:600;color:var(--ink);}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:clamp(48px,6vw,76px) clamp(28px,5vw,68px);
  background:linear-gradient(122deg,#C8320F 0%,#E8491C 46%,#F5A623 128%);
  color:#fff;text-align:center;
}
.cta-band::after{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.16) 1px,transparent 0);
  background-size:24px 24px;opacity:.5;
}
.cta-band>*{position:relative;z-index:1;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 30px;font-size:1.04rem;}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero{
  position:relative;overflow:hidden;text-align:center;
  padding:calc(var(--header-h) + 74px) 0 74px;
  background:
    radial-gradient(760px 460px at 82% 6%,rgba(245,166,35,.18),transparent 64%),
    radial-gradient(680px 420px at 12% 96%,rgba(232,73,28,.12),transparent 64%),
    linear-gradient(160deg,#FFF3EA,#FFF9F5 52%,#FFEFDE);
}
.page-hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px,rgba(26,26,46,.05) 1px,transparent 0);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 50% 50%,#000,transparent 76%);
}
.page-hero .container{position:relative;z-index:1;}
.page-hero h1{margin-bottom:16px;}
.page-hero p{font-size:1.1rem;max-width:660px;margin-inline:auto;}
.crumbs{display:flex;gap:9px;justify-content:center;font-size:.83rem;color:var(--text-3);margin-bottom:18px;}
.crumbs a:hover{color:var(--primary);}
.crumbs span{opacity:.5;}

/* ============================================================
   ARTICLE / GUIDE
   ============================================================ */
.guide-layout{display:grid;grid-template-columns:250px 1fr;gap:56px;align-items:start;}
.toc{position:sticky;top:calc(var(--header-h) + 26px);}
.toc h4{font-family:'Poppins',sans-serif;font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;color:var(--text-3);margin-bottom:16px;}
.toc ol{counter-reset:t;border-left:1.5px solid var(--line);}
.toc li{counter-increment:t;}
.toc a{
  display:block;padding:9px 0 9px 18px;font-size:.9rem;color:var(--text-2);
  border-left:2px solid transparent;margin-left:-1.5px;transition:var(--t);
}
.toc a::before{content:counter(t) '. ';color:var(--text-3);font-weight:600;}
.toc a:hover,.toc a.active{color:var(--primary);border-left-color:var(--primary);}
.toc a.active::before{color:var(--primary);}

.article{max-width:760px;}
.article-section{margin-bottom:52px;scroll-margin-top:calc(var(--header-h) + 24px);}
.article-section h2{font-size:clamp(1.4rem,2.8vw,1.85rem);margin-bottom:16px;}
.article-section h3{font-size:1.14rem;margin:26px 0 10px;}
.article-section p{margin-bottom:15px;line-height:1.78;}
.article-section ul,.article-section ol{margin:0 0 18px;padding-left:0;}
.article-section li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--text-2);line-height:1.72;}
.article-section li::before{
  content:'';position:absolute;left:6px;top:.66em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.75;
}
.article-section ol{counter-reset:a;}
.article-section ol li{counter-increment:a;padding-left:32px;}
.article-section ol li::before{
  content:counter(a);width:auto;height:auto;background:none;color:var(--primary);
  font-family:'Poppins',sans-serif;font-weight:700;font-size:.85rem;left:2px;top:0;
}
.callout{
  display:flex;gap:15px;padding:20px 24px;border-radius:var(--r-md);
  background:var(--bg-warm);border:1px solid var(--primary-line);margin:22px 0;
}
.callout .ico{flex-shrink:0;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:#fff;color:var(--primary);}
.callout .ico svg{width:18px;height:18px;}
.callout p{margin:0;font-size:.93rem;color:var(--text-2);}
.callout strong{display:block;color:var(--ink);margin-bottom:3px;}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--bg-dark);color:rgba(232,232,240,.62);padding:66px 0 26px;font-size:.92rem;}
.footer-top{display:grid;grid-template-columns:1.9fr 1fr 1fr 1.15fr;gap:44px;}
.footer .logo{color:#fff;font-size:1.5rem;margin-bottom:14px;display:inline-block;}
.footer-brand p{max-width:290px;line-height:1.66;font-size:.9rem;}
.footer-col h4{font-family:'Poppins',sans-serif;color:#fff;font-size:.92rem;font-weight:600;margin-bottom:17px;}
.footer-col a{display:block;margin-bottom:11px;font-size:.88rem;transition:color .22s;}
.footer-col a:hover{color:var(--accent);}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;}
.footer-badge{
  display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  font-size:.75rem;color:rgba(255,255,255,.7);
}
.footer-badge svg{width:13px;height:13px;color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:46px;padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap;font-size:.84rem;
}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.07);transition:var(--t);
}
.footer-social a:hover{background:var(--primary);transform:translateY(-3px);}
.footer-social svg{width:17px;height:17px;}

/* ============================================================
   FEATURE FLOW (alternating media rows + SVG diagrams)
   ============================================================ */
.features-flow{display:flex;flex-direction:column;gap:clamp(36px,5vw,62px);}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,54px);align-items:center;}
.frow:nth-child(even) .fmedia{order:2;}
.fmedia{
  border-radius:var(--r-lg);padding:34px;min-height:270px;
  display:grid;place-items:center;
  background:linear-gradient(148deg,#FFF4EC 0%,#FFFBF7 52%,#FFEFE0 100%);
  border:1px solid var(--line-soft);
  box-shadow:inset 0 1px 0 #fff,var(--shadow-xs);
}
.fmedia svg{width:100%;max-width:330px;height:auto;}
.ftext .fnum{
  display:inline-block;font-family:'Poppins',sans-serif;font-size:.75rem;font-weight:700;
  letter-spacing:.15em;color:var(--primary);margin-bottom:12px;
}
.ftext h3{font-size:clamp(1.16rem,2.2vw,1.42rem);margin-bottom:12px;}
.ftext p{font-size:.96rem;line-height:1.72;}
.section-dark .fmedia{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.09);box-shadow:none;}
.section-dark .ftext .fnum{color:var(--accent);}
@media (max-width:900px){
  .frow{grid-template-columns:1fr;}
  .frow:nth-child(even) .fmedia{order:0;}
}

/* ============================================================
   MISC COMPONENTS
   ============================================================ */
.download-card{
  display:flex;align-items:center;gap:18px;padding:22px 26px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);transition:var(--t);
}
.download-card:hover{border-color:var(--primary);transform:translateX(5px);box-shadow:var(--shadow-sm);}
.download-card .ico{
  flex-shrink:0;width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  background:var(--bg-warm);color:var(--primary);
}
.download-card .ico svg{width:23px;height:23px;}
.download-card h4{font-family:'Poppins',sans-serif;font-size:1.01rem;font-weight:600;color:var(--ink);margin-bottom:3px;}
.download-card p{font-size:.85rem;margin:0;}
.download-card .arrow{margin-left:auto;color:var(--text-3);transition:var(--t);}
.download-card:hover .arrow{color:var(--primary);transform:translateX(4px);}

.qr-block{text-align:center;padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);}
.qr-block img{width:190px;height:auto;margin:0 auto 16px;border-radius:var(--r-sm);}

.note-bar{
  display:flex;gap:14px;padding:19px 24px;border-radius:var(--r-md);
  background:var(--accent-soft);border:1px solid rgba(245,166,35,.3);
}
.note-bar .ico{color:var(--accent-dark);flex-shrink:0;}
.note-bar svg{width:20px;height:20px;}
.note-bar p{margin:0;font-size:.91rem;color:var(--text-2);}

.pill-list{display:flex;flex-wrap:wrap;gap:9px;}
.pill{
  padding:8px 15px;border-radius:var(--r-pill);background:var(--bg-light);
  border:1px solid var(--line);font-size:.83rem;font-weight:500;color:var(--text-2);
}

/* scroll progress */
.progress{position:fixed;top:0;left:0;height:2.5px;width:0;z-index:1000;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .1s linear;}

/* back to top */
.totop{
  position:fixed;right:22px;bottom:22px;z-index:800;
  width:46px;height:46px;border-radius:50%;border:none;cursor:pointer;
  background:var(--primary);color:#fff;display:grid;place-items:center;
  box-shadow:var(--shadow-brand);opacity:0;visibility:hidden;transform:translateY(14px);
  transition:var(--t);
}
.totop.show{opacity:1;visibility:visible;transform:translateY(0);}
.totop:hover{background:var(--primary-dark);transform:translateY(-3px);}
.totop svg{width:19px;height:19px;}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .75s var(--ease),transform .75s var(--ease);}
.reveal.visible{opacity:1;transform:none;}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1100px){
  .hero-inner{gap:38px;}
  .showcase{gap:40px;}
  .bento{grid-auto-rows:190px;}
  .guide-layout{grid-template-columns:1fr;gap:34px;}
  .toc{position:static;}
  .toc ol{border-left:none;display:flex;flex-wrap:wrap;gap:8px;}
  .toc a{border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 15px;border-left-width:1px;}
  .toc a::before{content:none;}
}

@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .trust-item:nth-child(3)::before,.trust-item:nth-child(odd)::before{display:none;}
  .trust-item:nth-child(n+3){border-top:1px solid rgba(255,255,255,.09);}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .spec-cell:nth-child(3n){border-right:1px solid var(--line-soft);}
  .spec-cell:nth-child(2n){border-right:none;}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px 0;}
  .step:nth-child(2)::before{right:50%;}
  .step:nth-child(3)::before{left:50%;}
  .bento{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:900px){
  .hero{min-height:auto;padding-top:calc(var(--header-h) + 36px);}
  .hero-inner{grid-template-columns:1fr;text-align:center;}
  .hero-lead{margin-inline:auto;}
  .hero .btn-row{justify-content:center;}
  .hero-facts{justify-content:center;}
  .hero-visual{order:-1;margin-bottom:8px;}
  .hero-visual img{max-width:400px;}
  .scroll-hint{display:none;}
  .grid-2,.showcase{grid-template-columns:1fr;text-align:left;}
  .grid-2 .media{order:-1;}
  .section-dark .grid-2{text-align:left;}
}

@media (max-width:768px){
  :root{--header-h:66px;}
  .hamburger{display:flex;}
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.98);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    padding:14px 5% 26px;box-shadow:0 20px 44px rgba(20,20,31,.12);
    transform:translateY(-128%);opacity:0;pointer-events:none;
    transition:transform .42s var(--ease),opacity .3s;
    max-height:calc(100svh - var(--header-h));overflow-y:auto;
  }
  .nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav a{padding:15px 4px;font-size:1.05rem;border-bottom:1px solid var(--line-soft);}
  .nav a::after{display:none;}
  .header.on-hero:not(.scrolled) .nav a{color:var(--text);}
  .nav .btn-nav{margin-top:18px;text-align:center;padding:15px 22px;border-radius:var(--r-pill);}
  .grid-3,.grid-4{grid-template-columns:1fr;}
  .bento{grid-template-columns:1fr;grid-auto-rows:220px;}
  .b-span2,.b-row2{grid-column:auto;grid-row:auto;}
  .chip-2{right:0;}
  .chip-1{left:0;}
  .stage{padding:26px;min-height:320px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .step{padding-left:0;}
  .step::before{display:none;}
  .faq-q{padding:17px 20px;font-size:.95rem;}
  .faq-a-inner{padding:0 20px 19px;}
  .form-card{padding:26px 22px;}
}

@media (max-width:520px){
  .footer-top{grid-template-columns:1fr;}
  .btn{width:100%;}
  .btn-row{flex-direction:column;}
  .trust-grid{grid-template-columns:1fr;}
  .trust-item::before{display:none!important;}
  .trust-item+.trust-item{border-top:1px solid rgba(255,255,255,.09);}
  .spec-grid{grid-template-columns:1fr;}
  .spec-cell{border-right:none!important;}
  .tabs{width:100%;}
  .tab{flex:1;justify-content:center;}
}