/* ============================================================
金卡商城 JINKA — 全球礼品卡交易平台
Design System · 基础层 (tokens / reset / typography / layout)
============================================================ */
/* Polices chargees via + dans le .
L'@import serialisait HTML -> CSS -> CSS Google -> fichiers de police (LCP degrade). */
/* ---------- 1. Tokens ---------- */
:root{
/* surfaces */
--bg: #FAFAFA;
--surface: #FFFFFF;
--surface-2: #F5F5F7;
--surface-3: #EFEFF2;
--surface-inv: #111114;
/* ink */
--ink: #101014;
--ink-2: #3B3B45;
--ink-3: #77777F;
--ink-4: #A6A6AE;
/* accents */
--red: #E6392B;
--red-deep: #B02318;
--red-soft: #FDF0EE;
--red-line: rgba(230,57,43,.22);
--gold: #D4AF37;
--gold-soft: #FBF6E8;
--gold-line: rgba(212,175,55,.35);
--jade: #1F8A70;
--jade-soft: #EAF6F2;
/* hairlines */
--line: rgba(16,16,20,.075);
--line-2: rgba(16,16,20,.13);
--line-3: rgba(16,16,20,.22);
/* elevation — ombres douces & realistes */
--sh-0: 0 1px 1px rgba(16,16,20,.03);
--sh-1: 0 1px 2px rgba(16,16,20,.04), 0 4px 10px -6px rgba(16,16,20,.10);
--sh-2: 0 1px 2px rgba(16,16,20,.05), 0 10px 24px -12px rgba(16,16,20,.16);
--sh-3: 0 2px 4px rgba(16,16,20,.05), 0 22px 48px -20px rgba(16,16,20,.22);
--sh-red: 0 10px 30px -14px rgba(230,57,43,.55);
/* geometry */
--r-xs: 6px;
--r-sm: 8px;
--r: 10px;
--r-lg: 12px;
--r-xl: 16px;
/* motion — ease-out precis, aucun bounce */
--e: cubic-bezier(.22,.61,.36,1);
--e-soft: cubic-bezier(.33,.02,.16,1);
--t-fast: .18s var(--e);
--t: .32s var(--e);
--t-slow: .62s var(--e);
/* type */
--f-display: 'Outfit','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
--f-serif: 'Noto Serif SC','Songti SC','SimSun',serif;
--f-body: 'Noto Sans SC','Outfit','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
--f-num: 'Outfit','Noto Sans SC',sans-serif;
--shell: 1320px;
--gut: 28px;
}
:root[data-theme="dark"]{
--bg: #0B0B0D;
--surface: #131316;
--surface-2: #191920;
--surface-3: #212129;
--surface-inv: #F3F3F5;
--ink: #F4F4F6;
--ink-2: #C3C3CC;
--ink-3: #8E8E99;
--ink-4: #6A6A75;
--red: #FF5341;
--red-deep: #E6392B;
--red-soft: rgba(230,57,43,.14);
--red-line: rgba(255,83,65,.3);
--gold: #E5C463;
--gold-soft: rgba(212,175,55,.10);
--gold-line: rgba(229,196,99,.32);
--jade: #35B191;
--jade-soft: rgba(31,138,112,.14);
--line: rgba(255,255,255,.08);
--line-2: rgba(255,255,255,.14);
--line-3: rgba(255,255,255,.24);
--sh-0: 0 1px 1px rgba(0,0,0,.4);
--sh-1: 0 1px 2px rgba(0,0,0,.5), 0 4px 12px -6px rgba(0,0,0,.7);
--sh-2: 0 2px 4px rgba(0,0,0,.5), 0 14px 30px -14px rgba(0,0,0,.8);
--sh-3: 0 4px 8px rgba(0,0,0,.5), 0 28px 60px -22px rgba(0,0,0,.9);
--sh-red: 0 12px 34px -16px rgba(255,83,65,.6);
}
/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
margin:0;
background:var(--bg);
color:var(--ink);
font-family:var(--f-body);
font-size:15px;
line-height:1.75;
font-weight:400;
letter-spacing:.01em;
-webkit-font-smoothing:antialiased;
text-rendering:optimizeLegibility;
overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer;padding:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:600;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
table{border-collapse:collapse;width:100%}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:4px}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:var(--surface-2)}
::-webkit-scrollbar-thumb{background:var(--line-3);border-radius:99px;border:3px solid var(--surface-2)}
::-webkit-scrollbar-thumb:hover{background:var(--ink-4)}
/* ---------- 3. Typographie ---------- */
.display{
font-family:var(--f-serif);
font-weight:700;
letter-spacing:-.02em;
line-height:1.16;
}
.t-h1{font-size:clamp(38px,5.2vw,68px)}
.t-h2{font-size:clamp(28px,3.2vw,42px)}
.t-h3{font-size:clamp(21px,2vw,27px)}
.t-h4{font-size:18px}
.t-lead{font-size:clamp(15px,1.15vw,17px);color:var(--ink-2);line-height:1.9}
.t-sm{font-size:13px;line-height:1.7}
.t-xs{font-size:12px;line-height:1.6}
.muted{color:var(--ink-3)}
.num{font-family:var(--f-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.kicker{
font-family:var(--f-display);
font-size:10.5px;
font-weight:500;
letter-spacing:.34em;
text-transform:uppercase;
color:var(--ink-4);
}
.kicker--red{color:var(--red)}
.kicker--gold{color:var(--gold)}
.vtext{
writing-mode:vertical-rl;
font-family:var(--f-serif);
letter-spacing:.34em;
font-size:12px;
color:var(--ink-4);
}
/* ---------- 4. Layout ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gut)}
.shell--wide{max-width:1560px}
.section{padding-block:clamp(64px,7vw,116px);position:relative}
.section--tight{padding-block:clamp(44px,4.4vw,72px)}
.section--alt{background:var(--surface-2)}
.grid{display:grid;gap:20px}
.row{display:flex;align-items:center;gap:12px}
.row--between{justify-content:space-between}
.row--wrap{flex-wrap:wrap}
.spacer{flex:1}
.hr{height:1px;background:var(--line);border:0;margin:0}
.rules{position:absolute;inset:0;pointer-events:none;z-index:0;
background-image:linear-gradient(90deg,var(--line) 1px,transparent 1px);
background-size:calc(100% / 6) 100%;
-webkit-mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
opacity:.75}
.grain::after{
content:'';position:absolute;inset:0;pointer-events:none;z-index:1;opacity:.5;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.045'/%3E%3C/svg%3E");
}
/* ---------- 5. En-tete de section ---------- */
.shead{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:clamp(26px,3vw,46px)}
.shead__l{display:flex;flex-direction:column;gap:10px;max-width:660px}
.shead__tick{display:flex;align-items:center;gap:10px}
.shead__tick i{width:22px;height:2px;background:var(--red);display:block;border-radius:2px}
.shead h2{font-family:var(--f-serif);font-weight:700;letter-spacing:-.015em}
.shead__sub{color:var(--ink-3);font-size:14px;line-height:1.8}
.shead__r{display:flex;align-items:center;gap:10px;flex-shrink:0;padding-bottom:4px}
.idx{font-family:var(--f-display);font-size:11px;font-weight:500;letter-spacing:.2em;color:var(--gold)}
/* ---------- 6. Boutons ---------- */
.btn{
--bh:46px;
display:inline-flex;align-items:center;justify-content:center;gap:9px;
height:var(--bh);padding:0 22px;border-radius:var(--r);
font-family:var(--f-body);font-size:14.5px;font-weight:500;letter-spacing:.02em;
border:1px solid transparent;white-space:nowrap;
transition:background var(--t-fast),border-color var(--t-fast),color var(--t-fast),box-shadow var(--t),transform var(--t-fast),filter var(--t-fast);
will-change:transform;
}
.btn:active{transform:translateY(1px)}
.btn svg{width:17px;height:17px;flex:0 0 auto}
.btn--primary{background:var(--red);color:#fff;box-shadow:var(--sh-red)}
.btn--primary:hover{background:var(--red-deep);box-shadow:0 14px 34px -14px rgba(230,57,43,.7)}
:root[data-theme="dark"] .btn--primary{color:#160604}
.btn--ink{background:var(--surface-inv);color:var(--bg)}
.btn--ink:hover{opacity:.88}
.btn--ghost{background:var(--surface);border-color:var(--line-2);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink-3);box-shadow:var(--sh-1)}
.btn--quiet{background:transparent;color:var(--ink-2)}
.btn--quiet:hover{background:var(--surface-2);color:var(--ink)}
.btn--gold{background:linear-gradient(135deg,#E9CE7A,var(--gold) 55%,#B9932A);color:#3A2C05;font-weight:600}
.btn--gold:hover{filter:brightness(1.05)}
.btn--lg{--bh:54px;padding:0 30px;font-size:15.5px;border-radius:var(--r-lg)}
.btn--xl{--bh:60px;padding:0 38px;font-size:16.5px;border-radius:var(--r-lg)}
.btn--sm{--bh:36px;padding:0 14px;font-size:13px;border-radius:var(--r-sm)}
.btn--icon{width:var(--bh);padding:0}
.btn--block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
/* ---------- 7. Puces / badges ---------- */
.chip{
display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
border-radius:var(--r-xs);background:var(--surface-2);border:1px solid var(--line);
font-size:12px;color:var(--ink-2);letter-spacing:.02em;white-space:nowrap;
}
.chip--red{background:var(--red-soft);border-color:var(--red-line);color:var(--red-deep)}
.chip--gold{background:var(--gold-soft);border-color:var(--gold-line);color:#8A6D14}
.chip--jade{background:var(--jade-soft);border-color:rgba(31,138,112,.25);color:var(--jade)}
.chip--ghost{background:transparent}
:root[data-theme="dark"] .chip--gold{color:var(--gold)}
:root[data-theme="dark"] .chip--red{color:var(--red)}
.dot{width:6px;height:6px;border-radius:99px;background:var(--jade);flex:0 0 auto}
.dot--live{animation:pulse 2.4s var(--e) infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(31,138,112,.45)}70%{box-shadow:0 0 0 7px rgba(31,138,112,0)}100%{box-shadow:0 0 0 0 rgba(31,138,112,0)}}
/* ---------- 8. Surfaces ---------- */
.panel{
background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
box-shadow:var(--sh-1);
}
.panel--flat{box-shadow:none}
.panel__hd{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:14px}
.panel__hd h3{font-size:16px;font-weight:600}
.panel__bd{padding:22px}
.panel__ft{padding:16px 22px;border-top:1px solid var(--line);background:var(--surface-2);border-radius:0 0 var(--r-lg) var(--r-lg)}
/* ---------- 9. Champs ---------- */
.field{display:flex;flex-direction:column;gap:8px}
.field__lb{font-size:13px;color:var(--ink-2);font-weight:500;letter-spacing:.02em}
.input,.select{
height:48px;padding:0 15px;border-radius:var(--r);background:var(--surface);
border:1px solid var(--line-2);color:var(--ink);font-size:14.5px;width:100%;
transition:border-color var(--t-fast),box-shadow var(--t-fast),background var(--t-fast);
}
.input::placeholder{color:var(--ink-4)}
.input:focus,.select:focus{outline:0;border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}
textarea.input{height:auto;padding:13px 15px;line-height:1.7;resize:vertical}
.select{appearance:none;cursor:pointer;
background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%2377777F' stroke-width='1.6'%3E%3Cpath d='M2 4.5 6 8.5 10 4.5'/%3E%3C/svg%3E");
background-repeat:no-repeat;background-position:right 15px center;padding-right:38px}
/* ---------- 10. Revelation au defilement ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .8s var(--e),transform .8s var(--e)}
[data-reveal].in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
[data-reveal]{opacity:1;transform:none}
}
/* ---------- 11. Utilitaires ---------- */
.hide{display:none!important}
.center{text-align:center}
.mono{font-family:'Outfit',ui-monospace,monospace;letter-spacing:.02em}
.trunc{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.gold-rule{height:1px;background:linear-gradient(90deg,transparent,var(--gold-line) 22%,var(--gold-line) 78%,transparent)}