:root{
  --navy:#0e466b; --navy-d:#0b3352; --navy-dd:#08263e; --ink:#15293b; --ink-2:#4b5866; --ink-3:#7d8894;
  --bg:#f7f8fa; --bg-alt:#eef2f6; --card:#fff; --line:#e1e6ec;
  --c1:#f04e45; --c2:#f9772f; --c3:#f9a12a; --c4:#ecd03a; --c5:#5bb55b; --c6:#4fb9c9;
  --bands:linear-gradient(180deg,var(--c1) 0 16.66%,var(--c2) 0 33.33%,var(--c3) 0 50%,var(--c4) 0 66.66%,var(--c5) 0 83.33%,var(--c6) 0);
  --bands-x:linear-gradient(90deg,var(--c1) 0 16.66%,var(--c2) 0 33.33%,var(--c3) 0 50%,var(--c4) 0 66.66%,var(--c5) 0 83.33%,var(--c6) 0);
  --r:18px; --r-lg:28px;
  --sh-1:0 1px 2px rgba(14,40,64,.05),0 6px 18px rgba(14,40,64,.06);
  --sh-2:0 2px 6px rgba(14,40,64,.07),0 22px 56px rgba(14,40,64,.14);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
h1,h2,h3,h4{line-height:1.25;margin:0;letter-spacing:-.01em;color:var(--navy-d)}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.center{text-align:center}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid rgba(79,185,201,.6);outline-offset:2px;border-radius:6px}
svg use{pointer-events:none}

/* signature spectrum bar */
.spectrum{display:flex;height:4px}
.spectrum i{flex:1}
.spectrum i:nth-child(1),.hero-bands i:nth-child(1),.disc-bands i:nth-child(1),.dl-bands i:nth-child(1){background:var(--c1)}
.spectrum i:nth-child(2),.hero-bands i:nth-child(2),.disc-bands i:nth-child(2),.dl-bands i:nth-child(2){background:var(--c2)}
.spectrum i:nth-child(3),.hero-bands i:nth-child(3),.disc-bands i:nth-child(3),.dl-bands i:nth-child(3){background:var(--c3)}
.spectrum i:nth-child(4),.hero-bands i:nth-child(4),.disc-bands i:nth-child(4),.dl-bands i:nth-child(4){background:var(--c4)}
.spectrum i:nth-child(5),.hero-bands i:nth-child(5),.disc-bands i:nth-child(5),.dl-bands i:nth-child(5){background:var(--c5)}
.spectrum i:nth-child(6),.hero-bands i:nth-child(6),.disc-bands i:nth-child(6),.dl-bands i:nth-child(6){background:var(--c6)}
.dotband{display:inline-block;width:18px;height:12px;border-radius:3px;background:var(--bands);vertical-align:-1px;margin-inline-end:8px;flex:none}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.5) blur(14px);-webkit-backdrop-filter:saturate(1.5) blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy-d);font-size:19px;letter-spacing:-.015em}
.nav-links{display:flex;gap:28px;margin-left:auto}
.nav-links a{color:var(--ink-2);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--navy)}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang{font:600 13px var(--font);color:var(--navy);background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;cursor:pointer}
.lang:hover{border-color:#c6d0da}
.menu{display:none;width:40px;height:40px;border:0;background:transparent;cursor:pointer;position:relative}
.menu span{position:absolute;left:10px;right:10px;height:2px;background:var(--navy-d);border-radius:2px;transition:.2s}
.menu span:first-child{top:15px}.menu span:last-child{top:23px}
.menu[aria-expanded=true] span:first-child{top:19px;transform:rotate(45deg)}
.menu[aria-expanded=true] span:last-child{top:19px;transform:rotate(-45deg)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;font-weight:600;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn .apple{width:18px;height:18px;fill:currentColor}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-navy{background:var(--navy);color:#fff;box-shadow:0 8px 20px rgba(14,70,107,.25)}
.btn-navy:hover{background:var(--navy-d);transform:translateY(-1px)}
.btn-ghost{background:var(--card);color:var(--navy-d);border:1px solid var(--line)}
.btn-ghost:hover{border-color:#c6d0da}
.play{width:22px;height:22px;border-radius:50%;background:var(--bands-x);position:relative}
.play::after{content:"";position:absolute;left:8.5px;top:6px;border-left:7px solid #fff;border-top:5px solid transparent;border-bottom:5px solid transparent}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 96px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-bands{position:absolute;right:-6%;top:6%;width:62%;height:78%;display:flex;flex-direction:column;opacity:.13;
  -webkit-mask:radial-gradient(closest-side,#000 30%,transparent);mask:radial-gradient(closest-side,#000 30%,transparent);pointer-events:none}
.hero-bands i{flex:1}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.eyebrow,.kicker{display:inline-flex;align-items:center;font-size:14px;font-weight:700;color:var(--navy);letter-spacing:.02em}
.eyebrow{background:#fff;border:1px solid var(--line);padding:7px 14px;border-radius:999px;margin-bottom:24px;box-shadow:var(--sh-1)}
.hero h1{font-size:clamp(36px,5vw,60px);font-weight:800;letter-spacing:-.03em;color:var(--navy-d)}
.hl{white-space:nowrap;background:linear-gradient(90deg,var(--c1) 0 16.66%,var(--c2) 0 33.33%,var(--c3) 0 50%,var(--c4) 0 66.66%,var(--c5) 0 83.33%,var(--c6) 0) left 100%/100% .14em no-repeat;padding-bottom:.06em}
.lead{margin-top:22px;font-size:18px;color:var(--ink-2);max-width:560px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.chips{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-size:13px;color:var(--ink-2);background:var(--card);border:1px solid var(--line);padding:5px 12px;border-radius:999px}
.hero-visual{position:relative;min-height:620px;display:flex;justify-content:center;align-items:center}
.hero-disc{position:absolute;width:400px;height:400px;left:-4%;top:50%;transform:translateY(-54%);filter:drop-shadow(0 24px 50px rgba(14,70,107,.28));animation:float 8s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-57%)}}
.phone{margin:0;width:290px;border-radius:44px;padding:10px;background:#0c1620;box-shadow:var(--sh-2);flex:none}
.phone img{border-radius:35px;width:100%;height:auto}
.phone-hero{position:relative;z-index:2;transform:translateX(96px) rotate(2deg);width:270px}
.float-card{position:absolute;z-index:3;display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.96);border:1px solid #fff;border-radius:16px;padding:12px 16px;box-shadow:var(--sh-2)}
.float-card b{display:block;font-size:14px;color:var(--navy-d)}
.float-card small{display:block;font-size:12px;color:var(--ink-3)}
.fc-1{bottom:52px;left:2%}
.fc-2{top:70px;right:-2%}
.okdot{width:10px;height:10px;border-radius:50%;background:var(--c5);box-shadow:0 0 0 4px rgba(91,181,91,.2);flex:none}
.fic{width:34px;height:34px;border-radius:10px;background:var(--navy);display:grid;place-items:center;flex:none}
.fic svg,.ci svg,.pain-list svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fic svg{color:#fff}

/* pains */
.pains{padding:76px 0;background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pains h2{font-size:clamp(24px,3vw,32px)}
.pain-list{list-style:none;padding:0;margin:38px 0 0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.pain-list li{background:var(--bg);border-radius:var(--r);padding:24px 18px 22px;text-align:center;position:relative;overflow:hidden}
.pain-list li::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--k)}
.pain-list svg{width:28px;height:28px;color:var(--k);margin:4px auto 12px;display:block}
.pain-list b{display:block;font-size:16px;color:var(--navy-d)}
.pain-list small{display:block;color:var(--ink-3);font-size:13px;margin-top:4px}
.c1{--k:var(--c1);--kt:#fde9e7}.c2{--k:var(--c2);--kt:#feede2}.c3{--k:#e08d14;--kt:#fef1dc}.c4{--k:#b99a10;--kt:#fbf5d6}.c5{--k:#3f9a43;--kt:#e6f4e5}.c6{--k:#2a9bb0;--kt:#e1f4f7}
.pain-answer{text-align:center;margin-top:34px;font-size:18px;color:var(--ink-2)}
.pain-answer b{color:var(--navy-d)}

/* sections */
.section{padding:108px 0}
.section.alt{background:var(--bg-alt)}
.sec-head{text-align:center;max-width:740px;margin:0 auto 64px}
.kicker{margin-bottom:12px}
.section h2,.disc h2,.download h2{font-size:clamp(28px,3.6vw,42px);font-weight:800;letter-spacing:-.02em}
.sub{margin-top:16px;color:var(--ink-2);font-size:17px}

.row{display:grid;grid-template-columns:auto 1fr;gap:80px;align-items:center;max-width:980px;margin:0 auto 100px}
.row.rev{grid-template-columns:1fr auto}
.row.rev .phone{order:2}
.row .phone{width:280px}
.row-copy h3{font-size:clamp(24px,2.6vw,32px);font-weight:800;margin:14px 0}
.row-copy p{color:var(--ink-2);font-size:17px}
.tag{display:inline-block;font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px}
.t1{color:#c23a32;background:#fde9e7}.t3{color:#b06d0a;background:#fef1dc}.t5{color:#2f7d33;background:#e6f4e5}
.ticks{list-style:none;padding:0;margin:20px 0 0}
.ticks li{position:relative;padding-left:30px;margin:10px 0;color:var(--ink-2)}
.ticks li::before{content:"";position:absolute;left:0;top:4px;width:19px;height:19px;border-radius:50%;background:var(--navy) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%23fff' stroke-width='2.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.pills{list-style:none;padding:0;margin:20px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.pills li{font-size:13px;font-weight:600;padding:6px 12px;border-radius:10px;background:var(--card);border:1px solid var(--line);color:var(--navy-d)}

.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border-radius:var(--r);padding:28px;box-shadow:var(--sh-1);border:1px solid rgba(14,40,64,.04)}
.ci{width:46px;height:46px;border-radius:14px;background:var(--kt);color:var(--k);display:grid;place-items:center;margin-bottom:16px}
.ci svg{width:22px;height:22px}
.card h4{font-size:18px;margin-bottom:8px}
.card p{color:var(--ink-2);font-size:15px}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.steps li{background:var(--card);border-radius:var(--r);padding:28px 24px;box-shadow:var(--sh-1)}
.steps .n{font-size:17px;font-weight:800;color:#fff;background:var(--navy);width:42px;height:42px;border-radius:50%;display:grid;place-items:center;margin-bottom:18px;box-shadow:0 0 0 4px #fff,0 0 0 6px var(--k)}
.steps li:nth-child(1){--k:var(--c1)}.steps li:nth-child(2){--k:var(--c3)}.steps li:nth-child(3){--k:var(--c5)}.steps li:nth-child(4){--k:var(--c6)}
.steps h4{font-size:18px;margin-bottom:8px}
.steps p{color:var(--ink-2);font-size:15px}

/* disc — navy, like the mountain */
.disc{position:relative;background:radial-gradient(900px 500px at 85% 20%,#155a86 0%,transparent 60%),linear-gradient(180deg,var(--navy) 0%,var(--navy-d) 100%);color:#dce8f2;padding:112px 0 108px;overflow:hidden}
.disc-bands{position:absolute;left:0;right:0;top:0;height:18px;display:flex;flex-direction:column}
.disc-bands i{flex:1}
.disc h2{color:#fff}
.disc .sub{color:#b8cddd}
.kicker.light{color:#9fdbe5}
.disc-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.disc-points{list-style:none;padding:0;margin:32px 0 0;display:grid;gap:10px}
.disc-points li{display:flex;gap:16px;align-items:baseline;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-left:4px solid var(--k);border-radius:12px;padding:13px 18px}
.disc-points li.c3,.disc-points li.c4{--k:var(--c4)}
.disc-points li.c5{--k:var(--c5)}.disc-points li.c6{--k:var(--c6)}
.disc-points b{flex:none;min-width:88px;font-size:16px;color:#fff}
.disc-points span{color:#c4d5e2;font-size:15px}
.disc-card{background:var(--card);color:var(--ink);border-radius:var(--r-lg);padding:40px 36px;box-shadow:0 30px 70px rgba(0,0,0,.30)}
.disc-art{width:140px;height:140px;margin:0 0 24px;animation:spin 48s linear infinite;filter:drop-shadow(0 12px 26px rgba(14,70,107,.3))}
@keyframes spin{to{transform:rotate(360deg)}}
.disc-card h4{font-size:21px}
.motto{margin-top:24px;padding-top:20px;border-top:1px solid var(--line);font-weight:700;color:var(--navy)}

/* film */
.film-grid{display:grid;grid-template-columns:1fr auto;gap:72px;align-items:center;max-width:980px}
.film-frame{width:320px;border-radius:28px;overflow:hidden;box-shadow:var(--sh-2);background:#000;position:relative}
.film-frame::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:var(--bands-x);z-index:1}
.film-frame video{width:100%;aspect-ratio:9/16;height:auto;background:#000}

/* platforms */
.plat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plat{background:var(--card);border-radius:var(--r);padding:28px 24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;border-top:4px solid var(--k)}
.plat h4{font-size:22px}
.role{font-size:13px;font-weight:700;color:var(--k);margin:6px 0 12px}
.plat p{color:var(--ink-2);font-size:15px;flex:1}
.plat small{margin-top:16px;color:var(--ink-3);font-size:13px;padding-top:12px;border-top:1px solid var(--line)}

/* privacy */
.privacy-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.phone-sm{width:220px;margin-top:36px;border-radius:36px;padding:8px}
.phone-sm img{border-radius:29px}
.sec-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.sec-list li{background:var(--card);border-radius:var(--r);padding:22px 24px 22px 26px;box-shadow:var(--sh-1);border:1px solid var(--line);position:relative}
.sec-list li::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;background:var(--navy)}
.sec-list h4{font-size:17px;margin-bottom:6px}
.sec-list p{color:var(--ink-2);font-size:15px}

/* faq */
.faq details{background:var(--card);border-radius:16px;margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:20px 56px 20px 24px;font-weight:600;font-size:17px;position:relative;color:var(--navy-d)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);transform:translateY(-70%) rotate(45deg);transition:.2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{padding:0 24px 22px;color:var(--ink-2)}

/* download — sunrise stripes + mountains, echoing the icon */
.download{position:relative;overflow:hidden;background:#fff;padding:110px 0 0}
.dl-bands{position:absolute;inset:0;display:flex;flex-direction:column;opacity:.15;
  -webkit-mask:linear-gradient(180deg,transparent 0%,#000 55%);mask:linear-gradient(180deg,transparent 0%,#000 45%)}
.dl-bands i{flex:1}
.dl-inner{position:relative;z-index:1}
.dl-inner .sub{max-width:620px;margin-left:auto;margin-right:auto}
.dl-icon{width:128px;height:128px;margin:0 auto 28px;filter:drop-shadow(0 16px 34px rgba(14,70,107,.3))}
.stores{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:36px}
.store{display:flex;flex-direction:column;align-items:flex-start;min-width:170px;padding:10px 20px;border-radius:14px;background:var(--navy);color:#fff;line-height:1.25;text-align:left;box-shadow:0 8px 20px rgba(14,70,107,.22)}
.store small{font-size:11px;opacity:.75}
.store b{font-size:18px}
.store.is-soon{cursor:default}
.mountains{display:block;width:100%;height:200px;margin-top:-30px;position:relative}
.m-back{fill:#2d6a93}
.m-front{fill:var(--navy-d)}
.m-snow{fill:#fff;opacity:.92}

/* footer */
.footer{padding:28px 0 44px;background:var(--navy-d);color:#b8cddd}
.foot-inner{display:grid;gap:10px}
.footer .brand{font-size:17px;color:#fff}
.footer .brand img{background:#fff;border-radius:50%}
.foot-tag{font-size:14px}
.foot-note{color:#8eaabf;font-size:13px}

/* responsive */
@media (max-width:1040px){
  .hero-grid{grid-template-columns:1fr;gap:20px}
  .hero-copy{text-align:center}
  .lead{margin-left:auto;margin-right:auto}
  .cta-row,.chips{justify-content:center}
  .hero-visual{min-height:580px;max-width:620px;margin:0 auto;width:100%}
  .hero-bands{width:100%;right:0;top:40%;height:60%}
  .pain-list{grid-template-columns:repeat(3,1fr)}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .steps,.plat-grid{grid-template-columns:repeat(2,1fr)}
  .disc-grid,.privacy-grid{grid-template-columns:1fr;gap:40px}
}
@media (max-width:820px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 16px}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links a:last-child{border-bottom:0}
  .menu{display:block}
  .nav-actions{margin-left:auto}
  .row,.row.rev{grid-template-columns:1fr;gap:36px;margin-bottom:76px}
  .row .phone,.row.rev .phone{order:0;margin:0 auto;width:250px}
  .film-grid{grid-template-columns:1fr;gap:32px;text-align:center}
  .film-frame{margin:0 auto;width:min(320px,100%)}
}
@media (max-width:560px){
  .wrap{padding:0 20px}
  .nav-cta{display:none}
  .hero{padding:40px 0 60px}
  .lead{font-size:16px}
  .btn-lg{padding:13px 22px;font-size:15px;width:100%}
  .hero-visual{min-height:480px}
  .hero-disc{width:220px;height:220px;left:1%;top:46%}
  .phone-hero{width:210px;transform:translateX(62px) rotate(2deg);border-radius:34px;padding:8px}
  .phone-hero img{border-radius:27px}
  .fc-1{left:0;bottom:16px}
  .fc-2{right:0;top:28px}
  .float-card{padding:10px 12px}
  .pain-list{grid-template-columns:1fr 1fr}
  .pain-list li:last-child{grid-column:1/-1}
  .section{padding:76px 0}
  .disc{padding:84px 0 80px}
  .sec-head{margin-bottom:44px}
  .grid-cards,.steps,.plat-grid{grid-template-columns:1fr}
  .disc-card{padding:30px 24px}
  .disc-points li{flex-direction:column;gap:2px}
  .store{min-width:0;flex:1 1 calc(50% - 6px)}
  .download{padding-top:84px}
  .mountains{height:120px;margin-top:-10px}
}

/* ===== v4: language picker ===== */
.pc-pending body{opacity:0}
body{transition:opacity .15s}
.lang-pick{position:relative;display:flex;align-items:center}
.lang-pick .globe{position:absolute;left:10px;width:16px;height:16px;fill:none;stroke:var(--navy);stroke-width:1.7;pointer-events:none}
#langSel{appearance:none;-webkit-appearance:none;font:600 13px var(--font);color:var(--navy);background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%230e466b' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 10px center/10px 7px;
  border:1px solid var(--line);border-radius:999px;padding:7px 28px 7px 32px;cursor:pointer;max-width:170px;text-overflow:ellipsis}
#langSel:hover{border-color:#c6d0da}

/* ===== v4: economics ===== */
.econ{background:var(--card);border-top:1px solid var(--line)}
.econ-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.calc{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;position:relative;overflow:hidden}
.calc::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--bands-x)}
.calc h3{font-size:22px;font-weight:800;margin-bottom:20px}
.calc-field{margin-bottom:18px}
.calc-field label{display:flex;justify-content:space-between;gap:12px;font-weight:600;color:var(--navy-d);font-size:15px;margin-bottom:8px}
.calc-field output{font-weight:800;color:var(--navy)}
.calc-field select{width:100%;font:600 16px var(--font);color:var(--navy-d);background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px}
.calc-field input[type=range]{width:100%;accent-color:var(--navy)}
.calc-out{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:8px}
.co{background:#fff;border-radius:14px;padding:14px 16px;border:1px solid var(--line);border-top:4px solid var(--k);min-width:0}
.co small{display:block;font-size:13px;color:var(--ink-2);line-height:1.35}
.co b{display:block;white-space:nowrap;font-size:clamp(22px,2.4vw,30px);font-weight:800;color:var(--navy-d);margin:6px 0 2px;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.co-note{display:block;white-space:pre-line;font-size:12px;color:var(--ink-3);line-height:1.35}
.co-cloud{--k:var(--c1)}.co-disc{--k:var(--c5)}.co-mdisc{--k:var(--c6)}
.calc-chart{margin:22px 0 16px;padding:20px 22px 14px;background:linear-gradient(180deg,#fff 0%,#fbfcfd 100%);border:1px solid #e8edf2;border-radius:20px;box-shadow:0 1px 2px rgba(14,40,64,.04),0 10px 30px rgba(14,40,64,.05)}
.cc-head{margin:0 0 6px}
.cc-head small{display:block;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.cc-callout{margin:4px 0 0;font-size:19px;font-weight:700;line-height:1.35;color:var(--navy-d);letter-spacing:-.01em;min-height:1.35em}
.cc-callout strong{color:var(--c1);font-variant-numeric:tabular-nums;white-space:nowrap}
.cc-plot{position:relative;width:100%;touch-action:pan-y;-webkit-tap-highlight-color:transparent;cursor:crosshair}
.cc-plot svg{direction:ltr;display:block;width:100%;height:auto;overflow:visible;font-family:inherit}
.cc-grid{stroke:#eef1f5;stroke-width:1}.cc-base{stroke:#dfe5eb;stroke-width:1}
.cc-ylab,.cc-xlab{font-size:11px;fill:#9aa4ae;font-variant-numeric:tabular-nums;font-weight:500}
.cc-area-top{stop-color:var(--c1);stop-opacity:.22}.cc-area-bot{stop-color:var(--c1);stop-opacity:0}
.cc-l{fill:none;stroke-linecap:round;stroke-linejoin:round}
.cc-l-cloud{stroke:var(--c1);stroke-width:3.25}
.cc-l-disc{stroke:#4caa5e;stroke-width:2}
.cc-l-mdisc{stroke:var(--c6);stroke-width:2;stroke-dasharray:5 6;opacity:.9}
.cc-end{stroke:#fff;stroke-width:2.5}
.cc-guide{stroke:var(--navy);stroke-width:1;opacity:.16}
.cc-halo{opacity:.16}
.cc-hdot{stroke:#fff;stroke-width:2.5}
.k-cloud{--k:var(--c1)}.k-disc{--k:#4caa5e}.k-mdisc{--k:var(--c6)}
.cc-tags{position:absolute;inset:0;pointer-events:none}
.cc-tag{position:absolute;display:flex;flex-direction:column;line-height:1.2;white-space:nowrap;transition:opacity .4s}
.cc-tag span{font-size:11.5px;color:var(--ink-3);font-weight:500}
.cc-tag b{font-size:14px;font-weight:700;color:var(--navy-d);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.cc-tag.k-cloud b{color:var(--c1)}
.cc-tip{position:absolute;z-index:3;pointer-events:none;min-width:170px;background:rgba(255,255,255,.97);border:1px solid rgba(14,40,64,.06);border-radius:14px;box-shadow:0 1px 2px rgba(14,40,64,.06),0 12px 32px rgba(14,40,64,.14);padding:10px 14px 11px;font-size:13px;line-height:1.7;color:var(--ink-2);white-space:nowrap;opacity:0;transform:translateY(4px);transition:opacity .15s,transform .15s}
.cc-tip.on{opacity:1;transform:none}
.cc-tip b{display:block;font-size:11.5px;font-weight:600;color:var(--ink-3);letter-spacing:.02em;margin-bottom:2px}
.cc-tip span{display:flex;align-items:center;gap:8px}
.cc-tip span i{width:8px;height:8px;border-radius:50%;background:var(--k);flex:none}
.cc-tip em{font-style:normal;font-weight:700;color:var(--navy-d);margin-inline-start:auto;padding-inline-start:16px;font-variant-numeric:tabular-nums}
@media (max-width:560px){.calc-chart{padding:16px 14px 10px;border-radius:16px}.cc-callout{font-size:16.5px}.cc-tag b{font-size:12.5px}.cc-tag span{font-size:10.5px}}
.calc-fine,.fine{font-size:12.5px;color:var(--ink-3);line-height:1.55}
.econ-side{display:grid;gap:20px}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh-1)}
.price-card h4{font-size:17px;margin-bottom:14px}
.ptable{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;margin-bottom:12px}
.ptable th{font-size:12.5px;color:var(--ink-3);font-weight:600;text-align:start;padding:6px 8px;border-bottom:1px solid var(--line)}
.ptable td{padding:8px;border-bottom:1px solid var(--line);font-size:15px}
.ptable th:not(:first-child),.ptable td:not(:first-child){text-align:end}
.ptable tr.hi td{background:#fdeeed;font-weight:700;color:#b5322b}
.gbbars{list-style:none;padding:0;margin:0 0 12px;display:grid;gap:9px}
.gbbars li{display:grid;grid-template-columns:118px 1fr minmax(78px,auto);gap:10px;align-items:center;font-size:13.5px}
.gl{color:var(--ink-2);overflow-wrap:anywhere;line-height:1.3}
.gb{height:9px;background:#eef1f4;border-radius:99px;overflow:hidden}
.gb i{display:block;height:100%;width:var(--w);background:#9db3c6;border-radius:99px}
.gbbars b{text-align:end;font-variant-numeric:tabular-nums;color:var(--navy-d)}
.gbbars li.hi .gb i{background:var(--c5)}
.gbbars li.hi .gl,.gbbars li.hi b{color:#2f7d33;font-weight:700}
.source{max-width:900px;margin:28px auto 0;text-align:center;font-size:12.5px;color:var(--ink-3);line-height:1.6}

/* ===== v4: lifespan ===== */
.life-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.life{background:#fff;border-radius:var(--r);padding:24px 22px;box-shadow:var(--sh-1);border-top:5px solid var(--k);min-width:0}
.life b{display:block;font-size:16px;color:var(--navy-d)}
.life .yrs{display:block;font-size:clamp(22px,2.2vw,28px);font-weight:800;color:var(--k);margin:6px 0 10px;line-height:1.15;letter-spacing:-.02em}
.life.c6 .yrs{color:#2a8e9d}.life.c5 .yrs{color:#3e923e}
.life p{font-size:14.5px;color:var(--ink-2)}
.life-more{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.lm-card{background:#fff;border-radius:var(--r);padding:26px;box-shadow:var(--sh-1)}
.lm-card h4{font-size:18px}
.lm-card .ticks li{font-size:15px}
.lm-card .fine{margin-top:10px}

/* ===== v4: lab ===== */
.lab-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:none}
.lab-steps li{background:var(--card);border-radius:var(--r);padding:26px 22px;box-shadow:var(--sh-1);position:relative;overflow:hidden;min-width:0}
.lab-steps li::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--k)}
.lab-steps .ln{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--kt);color:var(--k);font-weight:800;margin-bottom:14px}
.lab-steps .c3 .ln{color:#b06d0a}
.lab-steps h4{font-size:17px;margin-bottom:8px}
.lab-steps p{font-size:14.5px;color:var(--ink-2)}

/* ===== v4: i18n typography ===== */
h1,h2,h3,h4,.life b,.co small,.store b,.nav-links a,.lead,.sub{overflow-wrap:break-word;hyphens:auto}
:lang(zh-TW){--font:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans CJK TC","Noto Sans TC","Microsoft JhengHei",system-ui,sans-serif}
:lang(ja){--font:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans CJK JP","Noto Sans JP","Yu Gothic",Meiryo,system-ui,sans-serif}
:lang(ko){--font:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans CJK KR","Noto Sans KR","Malgun Gothic",system-ui,sans-serif}
:lang(ar){--font:-apple-system,BlinkMacSystemFont,"SF Arabic","Geeza Pro","Noto Sans Arabic","Segoe UI",Tahoma,system-ui,sans-serif}
:lang(hi){--font:-apple-system,BlinkMacSystemFont,"Kohinoor Devanagari","Noto Sans Devanagari","Nirmala UI",Mangal,system-ui,sans-serif}
:lang(en),:lang(es),:lang(fr),:lang(de),:lang(pt),:lang(ru),:lang(ms),:lang(id){--font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",system-ui,sans-serif}
body,#langSel,.calc-field select{font-family:var(--font)}
html:lang(ar) body,html:lang(hi) body{line-height:1.8}
html:lang(ar) h1,html:lang(ar) h2,html:lang(hi) h1,html:lang(hi) h2{line-height:1.45;letter-spacing:0}
html:not(:lang(zh-CN)):not(:lang(zh-TW)):not(:lang(ja)):not(:lang(ko)) .hero h1{font-size:clamp(34px,4.4vw,54px)}
html:lang(de) .hero h1,html:lang(ru) .hero h1,html:lang(fr) .hero h1,html:lang(es) .hero h1,html:lang(pt) .hero h1{font-size:clamp(32px,4vw,50px)}
html:not(:lang(zh-CN)):not(:lang(zh-TW)):not(:lang(ja)):not(:lang(ko)) .hl{white-space:normal}
#langSel option{direction:ltr}

/* ===== v4: RTL ===== */
[dir=rtl] .nav-links{margin-left:0;margin-right:auto}
[dir=rtl] .lang-pick .globe{left:auto;right:10px}
[dir=rtl] #langSel{padding:7px 32px 7px 28px;background-position:left 10px center}
[dir=rtl] .ticks li{padding-left:0;padding-right:30px}
[dir=rtl] .ticks li::before{left:auto;right:0}
[dir=rtl] .store{align-items:flex-end;text-align:right}
[dir=rtl] .faq summary{padding:20px 24px 20px 56px}
[dir=rtl] .faq summary::after{right:auto;left:24px}
[dir=rtl] .sec-list li{padding:22px 26px 22px 24px}
[dir=rtl] .sec-list li::before{left:auto;right:0;border-radius:3px 0 0 3px}
[dir=rtl] .hero-bands{right:auto;left:-6%}
[dir=rtl] .calc-field select{background-position:left 10px center}
[dir=rtl] .gbbars b{text-align:left}

/* ===== v4: responsive ===== */
@media (max-width:1040px){
  .econ-grid{grid-template-columns:1fr}
  .life-grid,.lab-steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .life-more{grid-template-columns:1fr}
  #langSel{max-width:150px}
}
@media (max-width:560px){
  .calc{padding:24px 18px}
  .calc-out{grid-template-columns:1fr}
  .co{display:grid;grid-template-columns:1fr auto;align-items:center;column-gap:10px}
  .co b{grid-row:span 2;grid-column:2;margin:0}
  .life-grid,.lab-steps{grid-template-columns:1fr}
  .gbbars li{grid-template-columns:92px 1fr minmax(70px,auto)}
  #langSel{max-width:118px;font-size:12.5px}
  .nav-inner{gap:12px}
}
[dir=rtl] .skip{left:auto;right:-9999px}
[dir=rtl] .skip:focus{right:8px}

.gbbars b{white-space:nowrap}

/* v8: contact + legal pages */
.faq-contact{margin-top:28px;text-align:center;color:var(--ink-2)}
.faq-contact a{font-weight:700;border-bottom:1px solid rgba(14,70,107,.3)}
.foot-links{font-size:14px;color:#b8cddd}
.foot-links a{color:#fff;border-bottom:1px solid rgba(255,255,255,.3)}
.foot-links a:hover{border-bottom-color:#fff}
.legal-page .nav-inner{justify-content:space-between}
.legal-page .nav-actions{gap:16px}
.lg-back{font-size:14px;font-weight:600;color:var(--ink-2)}
.lg-back:hover{color:var(--navy)}
[dir=rtl] .lg-arrow{display:inline-block;transform:scaleX(-1)}
.legal{padding:64px 0 96px}
.lg-note{background:#fff7e6;border:1px solid #f6d9a3;color:#7a5410;border-radius:12px;padding:12px 16px;margin-bottom:24px;font-size:15px}
.legal-doc{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:48px 56px;text-align:left}
.legal-doc h1{font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.02em}
.legal-doc .lg-upd{color:var(--ink-3);font-size:14px;margin:8px 0 28px}
.legal-doc h2{font-size:21px;margin:36px 0 12px;padding-top:20px;border-top:1px solid var(--line)}
.legal-doc h3{font-size:16.5px;margin:20px 0 6px}
.legal-doc p,.legal-doc li{color:var(--ink-2)}
.legal-doc p+p{margin-top:12px}
.legal-doc ul{padding-left:22px;margin:10px 0}
.legal-doc li{margin:6px 0}
.legal-doc a{font-weight:600;border-bottom:1px solid rgba(14,70,107,.3)}
.legal-doc code{font-size:.92em;background:var(--bg-alt);padding:1px 6px;border-radius:6px}
@media (max-width:560px){.legal{padding:36px 0 64px}.legal-doc{padding:28px 20px;border-radius:18px}.lg-back span[data-i18n]{display:none}}

/* v9: LAN-only privacy + disc benefits */
.chips li.chip-lan{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.lan .sec-head{max-width:820px}
.lan-flow{max-width:860px;margin:0 auto 48px}
.lf-home{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:20px;background:var(--card);border:2px dashed rgba(14,70,107,.25);border-radius:var(--r-lg);padding:30px 36px;box-shadow:var(--sh-1)}
.lf-node{display:flex;flex-direction:column;align-items:center;gap:10px;min-width:120px;text-align:center}
.lf-node b{font-size:15px;color:var(--navy-d)}
.lf-ic{width:64px;height:64px;border-radius:18px;background:var(--navy);color:#fff;display:grid;place-items:center}
.lf-ic svg,.lf-wifi svg,.lf-cloud svg,.db .ci svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lf-ic svg{width:30px;height:30px}
.lf-link{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.lf-wifi{color:var(--c5)}.lf-wifi svg{width:28px;height:28px}
.lf-line{display:block;width:100%;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--c5),var(--c6));position:relative}
.lf-line::after{content:"";position:absolute;right:-2px;top:50%;width:10px;height:10px;border-top:4px solid var(--c6);border-right:4px solid var(--c6);transform:translateY(-50%) rotate(45deg);border-radius:2px}
[dir=rtl] .lf-line{transform:scaleX(-1)}
.lf-link small{font-size:13px;font-weight:600;color:#2f7d33}
.lf-cloud{display:flex;align-items:center;justify-content:center;gap:10px;margin:16px auto 0;width:max-content;max-width:100%;padding:8px 16px;border-radius:999px;background:#fde9e7;color:#c23a32;font-size:14px;font-weight:600}
.lf-cloud svg{width:20px;height:20px;flex:none}
.lan-cards .card h4{font-size:19px}
.lan-fine{text-align:center;color:var(--ink-3);font-size:13px;max-width:740px;margin:22px auto 0}
.lan .privacy-grid{margin-top:96px;padding-top:80px;border-top:1px solid var(--line)}
.pv-h3{font-size:clamp(24px,2.8vw,32px);font-weight:800;letter-spacing:-.02em;color:var(--navy-d)}
.disc-benefits{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:72px}
.db{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);border-top:4px solid var(--k);border-radius:var(--r);padding:26px 24px}
.db.c4{--k:var(--c4)}.db.c3{--k:var(--c3)}
.db .ci{background:rgba(255,255,255,.10);color:var(--k);margin-bottom:14px}
.db h4{color:#fff;font-size:18px;margin-bottom:8px}
.db p{color:#c4d5e2;font-size:15px}
.rule321{position:relative;display:flex;gap:24px;align-items:center;margin-top:16px;background:rgba(255,255,255,.95);color:var(--ink);border-radius:var(--r);padding:24px 28px}
.r3{display:flex;gap:6px;flex:none}
.r3 b{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;font-weight:800;color:#fff;background:var(--c1)}
.r3 b:nth-child(2){background:var(--c3)}.r3 b:nth-child(3){background:var(--c6)}
.rule321 h4{font-size:18px;color:var(--navy-d);margin-bottom:4px}
.rule321 p{color:var(--ink-2);font-size:15px}
@media (max-width:1040px){.disc-benefits{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){
  .lf-home{grid-template-columns:1fr;padding:24px 20px;gap:14px}
  .lf-link{padding:4px 0}
  .lf-line{width:4px;height:44px;background:linear-gradient(180deg,var(--c5),var(--c6))}
  .lf-line::after{right:auto;left:50%;top:auto;bottom:-2px;transform:translateX(-50%) rotate(135deg)}
  [dir=rtl] .lf-line{transform:none}
  .lf-cloud{border-radius:16px;width:auto}
  .disc-benefits{grid-template-columns:1fr;margin-top:48px}
  .rule321{flex-direction:column;align-items:flex-start;padding:22px 20px}
  .lan .privacy-grid{margin-top:64px;padding-top:56px}
}