/* ===== I'm Nature - Bách Mộc Plus | CSS dùng chung cho 3 trang ===== */
:root{
  --g900:#0f4c24;--g800:#166534;--g700:#15803d;--g600:#1a9a45;--g200:#c9e8d1;--g100:#e4f4e8;--g50:#f3faf5;
  --cta:#e8590c;--cta2:#c2410c;--sale:#d4200c;--gold:#ffe066;--cream:#fffbe6;
  --ink:#16231a;--text:#2b3a2f;--muted:#5d6e62;--warn-bg:#fff4ef;--warn:#c2310b;--zalo:#0068ff;
  --wrap:1120px;--hh:64px;
}
[hidden]{display:none!important}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;-webkit-text-size-adjust:100%}
body{font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;background:#fff;color:var(--text);line-height:1.7;font-size:17px;overflow-x:hidden;padding-bottom:96px}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button{font-family:inherit}
svg{flex-shrink:0}
svg.i{width:1.25em;height:1.25em;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
svg.i.fill{fill:currentColor;stroke:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:820px;margin:0 auto}
.center{text-align:center}

/* ===== Header ===== */
header.top{position:fixed;top:0;left:0;width:100%;z-index:900;background:#fff;height:var(--hh);border-bottom:3px solid var(--g700)}
.head-in{max-width:var(--wrap);margin:0 auto;height:100%;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:.6rem}
.logo{text-decoration:none;line-height:1.1}
.logo b{display:block;font-size:1.35rem;font-weight:800;color:var(--g800)}
.logo small{display:block;font-size:.62rem;font-weight:500;color:var(--muted)}
.nav{display:none;gap:1.6rem;align-items:center}
.nav a{text-decoration:none;font-weight:600;font-size:.95rem;color:var(--ink);padding:.3rem 0;position:relative}
.nav a:hover{color:var(--g700)}
.hotline{display:flex;align-items:center;gap:.45rem;text-decoration:none;color:var(--g800);font-weight:800;font-size:1.05rem;white-space:nowrap}
.hotline .ic{width:36px;height:36px;border-radius:50%;background:var(--g700);color:#fff;display:flex;align-items:center;justify-content:center;animation:ringshake 2.4s ease-in-out infinite}
@keyframes ringshake{0%,60%,100%{transform:rotate(0)}65%{transform:rotate(-14deg)}70%{transform:rotate(12deg)}75%{transform:rotate(-10deg)}80%{transform:rotate(8deg)}85%{transform:rotate(0)}}
.menu-btn{width:42px;height:42px;border:none;background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;cursor:pointer}
main{padding-top:calc(var(--hh) + 3px)}
.drawer{position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;background:#fff;z-index:1200;transform:translateX(100%);visibility:hidden;transition:transform .3s ease,visibility 0s linear .3s;padding:4rem 1.25rem 1.5rem;display:flex;flex-direction:column}
.drawer.open{transform:none;visibility:visible;box-shadow:-6px 0 24px rgba(0,0,0,.18);transition:transform .3s ease,visibility 0s}
.drawer a.nl{padding:1rem .2rem;border-bottom:1px solid #e5ece7;text-decoration:none;color:var(--ink);font-weight:600}
.drawer .close{position:absolute;top:.7rem;right:.8rem;width:42px;height:42px;border:none;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:1150;opacity:0;visibility:hidden;transition:opacity .25s,visibility 0s linear .25s}
.overlay.open{opacity:1;visibility:visible;transition:opacity .25s,visibility 0s}

/* ===== Hiệu ứng nổi lên nổi xuống + CTA ===== */
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes glow{0%,100%{box-shadow:0 8px 20px rgba(232,89,12,.35),0 0 0 0 rgba(232,89,12,.45)}50%{box-shadow:0 12px 26px rgba(232,89,12,.45),0 0 0 12px rgba(232,89,12,0)}}
@keyframes shine{0%{left:-60%}55%,100%{left:130%}}
@keyframes ripple{0%{transform:scale(1);opacity:.55}100%{transform:scale(1.7);opacity:0}}
.btn-cta{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;gap:.55rem;width:100%;max-width:440px;margin:0 auto;padding:1.1rem 1.5rem;border:none;border-radius:60px;background:linear-gradient(180deg,#f06a1f,var(--cta2));color:#fff;font-family:inherit;font-weight:800;font-size:1.2rem;letter-spacing:.3px;text-decoration:none;text-transform:uppercase;cursor:pointer;animation:bob 1.5s ease-in-out infinite,glow 1.5s ease-in-out infinite}
.btn-cta::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);animation:shine 2.6s ease-in-out infinite}
.btn-cta:hover{filter:brightness(1.06)}
.btn-cta:disabled{opacity:.6;cursor:not-allowed;animation:none}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.9rem 1.6rem;border:2px solid var(--g700);border-radius:60px;background:#fff;color:var(--g800);font-weight:800;font-size:1rem;text-decoration:none;cursor:pointer}
.btn-ghost:hover{background:var(--g700);color:#fff}

/* Thanh liên hệ cố định đáy: SĐT - Đặt hàng - Zalo */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:1000;padding:.9rem 12px calc(.7rem + env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:center;gap:12px;background:linear-gradient(to top,rgba(255,255,255,.97) 55%,rgba(255,255,255,0));pointer-events:none;transition:transform .25s ease}
.dock>*{pointer-events:auto}
.dock.away{transform:translateY(120%)}
.dock-call,.dock-zalo{position:relative;flex:0 0 58px;width:58px;height:58px;display:flex;align-items:center;justify-content:center;text-decoration:none;color:#fff;box-shadow:0 8px 18px rgba(0,0,0,.22)}
.dock-call{border-radius:50%;background:linear-gradient(180deg,#22a24a,var(--g800));animation:bob 1.5s ease-in-out infinite}
.dock-zalo{border-radius:16px;background:var(--zalo);font-weight:800;font-size:.95rem;letter-spacing:-.2px;animation:bob 1.5s ease-in-out .3s infinite}
.dock-call::before,.dock-zalo::before{content:"";position:absolute;inset:0;border-radius:inherit;border:2px solid currentColor;opacity:.5;animation:ripple 1.6s ease-out infinite;color:#2bb24f}
.dock-zalo::before{color:var(--zalo)}
.dock .btn-cta{flex:1;max-width:430px;margin:0;padding:1rem .8rem;font-size:1.1rem;animation:bob 1.5s ease-in-out .15s infinite,glow 1.5s ease-in-out .15s infinite}
.dock .btn-cta svg{width:1.3em;height:1.3em}

/* ===== Reveal khi cuộn ===== */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}

/* ===== Section chung ===== */
.sec{padding:2.4rem 0}
.sec.tint{background:var(--g50)}
.sec.dark{background:var(--g800);color:#fff}
.eyebrow{display:block;text-align:center;font-size:.82rem;font-weight:800;letter-spacing:.7px;text-transform:uppercase;color:var(--g700);margin-bottom:.4rem}
.sec.dark .eyebrow{color:#bfe8c9}
.h2{text-align:center;font-weight:800;color:var(--g800);font-size:1.6rem;line-height:1.3;margin-bottom:.8rem}
.h2 em{font-style:normal;color:var(--cta)}
.sec.dark .h2{color:#fff}
.sec.dark .h2 em{color:var(--gold)}
.lead{text-align:center;color:var(--text);margin:0 auto 1.4rem;max-width:720px}
.sec.dark .lead{color:#e6f5ea}
.caption{text-align:center;font-size:.88rem;color:var(--muted);margin:.5rem 0 1rem}
.media{border-radius:14px;overflow:hidden;background:#eef3ef}
.media img{width:100%}

/* CTA block */
.cta-block{margin-top:1.8rem;text-align:center}
.cta-sub{margin-top:.9rem;font-size:.98rem;color:var(--text)}
.cta-sub b{color:var(--sale);font-size:1.15rem}
.sec.dark .cta-sub,.order .cta-sub{color:#fff}
.sec.dark .cta-sub b{color:var(--gold)}

/* Đếm ngược */
.cd{margin-top:1rem;text-align:center}
.cd-label{display:inline-flex;align-items:center;gap:.4rem;font-size:.9rem;font-weight:800;color:var(--sale);margin-bottom:.45rem;text-transform:uppercase;letter-spacing:.3px}
.sec.dark .cd-label,.order .cd-label{color:var(--gold)}
.cd-row{display:flex;justify-content:center;gap:.5rem}
.cd-row div{min-width:66px;background:var(--g800);color:#fff;border-radius:10px;padding:.35rem .3rem .25rem;line-height:1.15;box-shadow:0 4px 10px rgba(15,76,36,.25)}
.cd-row b{display:block;font-size:1.7rem;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums}
.cd-row small{font-size:.7rem;opacity:.9}
.cd-row div:last-child b{animation:tickpulse 1s ease-in-out infinite}
@keyframes tickpulse{0%,100%{opacity:1}50%{opacity:.55}}
.sec.dark .cd-row div,.order .cd-row div{background:#fff;color:var(--g800)}
.sec.dark .cd-row b,.order .cd-row b{color:var(--cta)}

/* ===== Hero ===== */
.hero{background:linear-gradient(180deg,var(--g100),#fff 90%);padding:1.2rem 0 2.4rem}
.hero-grid{display:grid;gap:1.1rem;grid-template-columns:minmax(0,1fr);grid-template-areas:"head" "gal" "buy"}
.hero-head{grid-area:head;text-align:center}
.hero-gal{grid-area:gal;min-width:0}
.hero-buy{grid-area:buy;min-width:0}
.hero-eyebrow{display:inline-flex;align-items:center;gap:.4rem;background:#fff;color:var(--g800);border:1px solid var(--g200);font-size:.82rem;font-weight:700;padding:.35rem .9rem;border-radius:30px;margin-bottom:.8rem}
.hero-eyebrow svg{color:var(--g700)}
.hero h1{font-weight:800;font-size:1.8rem;line-height:1.28;color:var(--g900);margin-bottom:.7rem}
.hero h1 em{font-style:normal;color:var(--cta)}
.hero .sub{font-size:1.08rem;margin-bottom:.5rem}
.hero .sub b{color:var(--g800)}
.hero .who{font-size:.95rem;color:var(--muted)}

/* Gallery */
.g-view{position:relative;overflow:hidden;border-radius:16px;background:#eef3ef;touch-action:pan-y;aspect-ratio:1/1;box-shadow:0 10px 28px rgba(15,76,36,.14)}
.g-track{display:flex;height:100%;will-change:transform}
.g-slide{flex:0 0 100%;height:100%}
.g-slide img{width:100%;height:100%;object-fit:cover;user-select:none;-webkit-user-drag:none}
.g-arrow{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;border:none;background:rgba(0,0,0,.45);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:2}
.g-prev{left:8px}.g-next{right:8px}
.g-index{position:absolute;right:10px;top:10px;background:rgba(0,0,0,.6);color:#fff;font-size:.78rem;font-weight:700;padding:.15rem .7rem;border-radius:12px;z-index:2}
.g-thumbs{display:flex;gap:7px;overflow-x:auto;padding:9px 0 3px;scrollbar-width:none}
.g-thumbs::-webkit-scrollbar{display:none}
.g-thumb{flex:0 0 68px;height:68px;border:2px solid transparent;border-radius:8px;overflow:hidden;padding:0;background:#eee;cursor:pointer;opacity:.65;transition:opacity .2s}
.g-thumb img{width:100%;height:100%;object-fit:cover}
.g-thumb.active{border-color:var(--g700);opacity:1}

/* Đánh giá + điểm nổi bật */
.rate-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1.1rem;margin-top:.9rem;padding:.7rem .9rem;background:#fff;border:1px solid var(--g200);border-radius:12px;font-size:.98rem}
.rate-star{display:inline-flex;align-items:center;gap:.35rem}
.rate-star svg{color:#f5b301;width:1.4em;height:1.4em}
.rate-star b{font-size:1.2rem;color:var(--ink)}
.rate-star span{color:var(--muted);font-size:.9rem}
.rate-sold{padding-left:1.1rem;border-left:2px solid var(--g200)}
.rate-sold b{color:var(--ink);font-size:1.1rem}
.rate-ship{display:inline-flex;align-items:center;gap:.4rem;color:var(--g800);font-weight:700;font-style:italic}
.chips-hl{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-top:.7rem}
.chip-hl{display:flex;align-items:center;gap:.4rem;background:#fff;border:1px solid #cfd8d2;border-radius:6px;padding:.5rem .6rem;font-size:.9rem;line-height:1.3;color:var(--ink)}
.chip-hl svg{color:#f5a300;width:1.1em;height:1.1em;stroke-width:2.6}

/* Bảng giá */
.pbox{border:2px solid var(--g700);border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 12px 30px rgba(21,128,61,.14)}
.pbox-head{background:linear-gradient(90deg,var(--g800),var(--g700));color:#fff;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1rem;font-weight:800;font-size:1.1rem;text-transform:uppercase;letter-spacing:.4px}
.pbox-head svg{color:var(--gold);animation:flame 1s ease-in-out infinite}
@keyframes flame{0%,100%{transform:scale(1) rotate(-4deg)}50%{transform:scale(1.2) rotate(4deg)}}
.prow{position:relative;display:flex;width:100%;align-items:center;justify-content:space-between;gap:.8rem;padding:.85rem 1rem;background:#fff;border:none;border-bottom:1px dashed var(--g200);text-align:left;cursor:pointer;transition:background .2s}
.prow:hover{background:var(--g50)}
.prow.best{background:var(--cream)}
.prow.best:hover{background:#fff4c2}
.prow .pl{display:block;min-width:0}
.prow .pn{display:block;font-weight:700;color:var(--ink);line-height:1.3;font-size:1.02rem}
.prow .ps{display:block;font-weight:400;color:var(--muted);font-size:.8rem;line-height:1.35}
.tags{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.3rem}
.tag{display:inline-flex;align-items:center;gap:.25rem;font-size:.72rem;font-weight:800;padding:.1rem .5rem;border-radius:20px;white-space:nowrap}
.tag.off{background:var(--sale);color:#fff;animation:wig 2.2s ease-in-out infinite}
.tag.ship{background:var(--g100);color:var(--g800)}
.tag.hot{background:var(--cta);color:#fff}
@keyframes wig{0%,70%,100%{transform:rotate(0)}76%{transform:rotate(-6deg)}82%{transform:rotate(6deg)}88%{transform:rotate(-4deg)}94%{transform:rotate(3deg)}}
.prow .pp{display:block;text-align:right;flex-shrink:0}
.prow .old{display:block;color:#8a928d;text-decoration:line-through;font-size:.88rem;font-weight:500;line-height:1.2}
.prow .new{display:block;color:var(--sale);font-weight:800;font-size:1.45rem;line-height:1.2;white-space:nowrap;animation:pricepulse 2s ease-in-out infinite;transform-origin:right center}
@keyframes pricepulse{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
.pbox-foot{display:flex;align-items:center;justify-content:center;gap:.45rem;padding:.7rem 1rem;background:var(--g50);color:var(--g800);font-weight:700;font-size:.92rem;text-align:center}

/* ===== Nỗi đau ===== */
.pain-list{display:grid;gap:.8rem;margin:1.2rem 0;grid-template-columns:minmax(0,1fr)}
.pain{display:flex;gap:.8rem;align-items:flex-start;background:var(--warn-bg);border-left:5px solid var(--warn);border-radius:10px;padding:.95rem 1rem}
.pain .x{width:30px;height:30px;border-radius:50%;background:var(--warn);color:#fff;display:flex;align-items:center;justify-content:center;margin-top:2px}
.pain b{display:block;color:var(--ink);font-size:1.03rem;line-height:1.4;margin-bottom:.15rem}
.pain span{font-size:.95rem}
.pain-close{text-align:center;font-weight:800;font-size:1.25rem;color:var(--g800);margin:1.4rem auto 0;line-height:1.45;max-width:720px}
.future{background:#fff;border:2px dashed var(--g700);border-radius:14px;padding:1rem 1.2rem;margin:1.2rem auto 0;max-width:760px;text-align:center;font-size:1.02rem}
.future b{color:var(--g800)}
.future small{display:block;color:var(--muted);font-size:.8rem;margin-top:.3rem}

/* ===== Giải pháp ===== */
.benefit-grid{display:grid;gap:.9rem;grid-template-columns:minmax(0,1fr)}
.benefit{display:flex;gap:.9rem;align-items:flex-start;background:#fff;border:1px solid var(--g200);border-radius:14px;padding:1.1rem;transition:transform .25s,box-shadow .25s}
.benefit:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(21,128,61,.14)}
.benefit .bi{width:50px;height:50px;border-radius:14px;background:var(--g100);color:var(--g700);display:flex;align-items:center;justify-content:center}
.benefit .bi svg{width:28px;height:28px}
.benefit h3{font-size:1.1rem;font-weight:800;color:var(--g900);line-height:1.35;margin-bottom:.25rem}
.benefit p{font-size:.96rem}
.benefit p small{display:block;margin-top:.3rem;color:var(--muted);font-size:.82rem}
.media-row{display:flex;gap:.8rem;overflow-x:auto;scroll-snap-type:x mandatory;margin:1.4rem 0 0;padding-bottom:.4rem;scrollbar-width:none}
.media-row::-webkit-scrollbar{display:none}
.media-row .media{flex:0 0 78%;scroll-snap-align:center}

/* ===== Chọn phiên bản ===== */
.ver-grid{display:grid;gap:1rem;margin:1.2rem 0;grid-template-columns:minmax(0,1fr)}
.ver{background:#fff;border:2px solid var(--g200);border-radius:16px;padding:1.2rem;display:flex;flex-direction:column}
.ver h3{font-weight:800;font-size:1.25rem;margin-bottom:.2rem}
.ver.warm h3{color:#b45309}.ver.hot h3{color:#b91c1c}
.ver .for{font-weight:700;color:var(--ink);margin:.3rem 0 .2rem}
.ver ul{list-style:none;flex:1}
.ver li{display:flex;gap:.5rem;padding:.2rem 0;font-size:.97rem}
.ver li svg{color:var(--g700);margin-top:5px;width:1.1em;height:1.1em;stroke-width:2.4}
.ver .pr{margin-top:.8rem;display:flex;align-items:baseline;flex-wrap:wrap;gap:.2rem .6rem}
.ver .pr s{color:#8a928d;font-size:.95rem}
.ver .pr b{color:var(--sale);font-size:1.6rem;line-height:1.1}
.btn-pick{display:block;width:100%;margin-top:.8rem;padding:.9rem;border:2px solid var(--g700);border-radius:12px;background:#fff;color:var(--g800);font-weight:800;font-size:1.02rem;cursor:pointer;transition:background .2s,color .2s}
.btn-pick:hover{background:var(--g700);color:#fff}
.tip{background:var(--g100);border-radius:12px;padding:.9rem 1.1rem;font-size:.98rem;text-align:center;max-width:820px;margin:0 auto}

/* ===== Khách hàng ===== */
.proof-grid{display:grid;gap:1rem;grid-template-columns:minmax(0,1fr);align-items:start}
.cmt-head{font-weight:800;font-size:1.2rem;color:var(--ink);margin:1.4rem 0 .4rem}
.cmt{padding:.9rem 0;border-bottom:1px solid #dbe6de}
.cmt:last-child{border-bottom:none}
.cmt-top{display:flex;gap:.7rem;align-items:center;margin-bottom:.4rem}
.cmt-av{width:46px;height:46px;border-radius:50%;background:var(--g700);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
.cmt-name{font-weight:700}
.cmt-stars{color:#f5b301;letter-spacing:2px}
.cmt p.t{font-style:italic}
.cmt .meta{font-size:.78rem;color:var(--muted)}
.cmt-reply{margin:.6rem 0 0 auto;max-width:82%;background:var(--g100);border-radius:16px;padding:.5rem .9rem;font-size:.9rem}
.cmt-reply b{display:block}
.vid-grid{display:grid;gap:.8rem;margin:.8rem 0}
.vid{background:#000;border-radius:10px;overflow:hidden}
.vid video,.vid iframe{width:100%;display:block;aspect-ratio:9/16;max-height:560px;border:0;background:#000}
.vid-cap{background:#fff;padding:.5rem .8rem;font-style:italic;font-size:.88rem}

/* ===== Uy tín ===== */
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin:1.2rem 0}
.trust-item{background:#fff;border-radius:14px;padding:1.1rem .9rem;text-align:center;color:var(--ink)}
.trust-item svg{color:var(--g700);margin:0 auto .5rem;width:36px;height:36px}
.trust-item b{display:block;font-size:.98rem;line-height:1.35;margin-bottom:.2rem}
.trust-item span{font-size:.85rem;color:var(--muted)}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;margin:1.2rem 0}
.stat{background:var(--g700);color:#fff;border-radius:14px;padding:.9rem .3rem;text-align:center}
.stat b{display:block;font-size:1.7rem;font-weight:800;color:var(--gold);line-height:1.2}
.stat span{font-size:.82rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin:.8rem 0 1.2rem}
.chip{padding:.4rem 1rem;border-radius:30px;background:#fff;color:var(--ink);border:1px solid var(--g200);font-size:.92rem;font-weight:600}
.chip.main{background:var(--g700);border-color:#fff;color:#fff}
.dual{display:grid;gap:1rem;grid-template-columns:minmax(0,1fr)}

/* ===== Cách dùng ===== */
.steps-wrap{display:grid;gap:1.4rem;grid-template-columns:minmax(0,1fr);align-items:center}
.step{display:flex;gap:.9rem;align-items:flex-start;padding:.8rem 0}
.step .n{flex:0 0 46px;width:46px;height:46px;border-radius:50%;background:var(--g700);color:#fff;font-weight:800;font-size:1.25rem;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(21,128,61,.3)}
.step h3{font-weight:800;font-size:1.1rem;color:var(--g900)}
.step p{font-size:.97rem}
.note{background:var(--g100);border-radius:12px;padding:.9rem 1.1rem;font-size:.95rem;margin-top:.6rem}

/* ===== Combo ưu đãi ===== */
.pcards{display:grid;gap:1.2rem;grid-template-columns:minmax(0,1fr);margin-top:1.6rem}
.pcard{background:#fff;color:var(--ink);border-radius:16px;padding:1.3rem 1.2rem 1.2rem;position:relative;display:flex;flex-direction:column;transition:transform .25s}
.pcard:hover{transform:translateY(-5px)}
.pcard.best{outline:4px solid var(--gold);animation:bob 2.4s ease-in-out infinite}
.pcard .tagbest{position:absolute;top:-14px;left:16px;background:var(--cta);color:#fff;font-size:.78rem;font-weight:800;padding:.2rem .8rem;border-radius:20px}
.pcard h3{font-weight:800;font-size:1.2rem;color:var(--g800)}
.pcard small{display:block;color:var(--muted);font-size:.88rem}
.pcard .pr-line{display:flex;align-items:baseline;flex-wrap:wrap;gap:.2rem .7rem;margin:.6rem 0 .3rem;flex:1}
.pcard .pr{font-weight:800;color:var(--sale);font-size:1.9rem;line-height:1.1}
.pcard s{color:#8a928d;font-size:1rem}
.pcard .save{display:inline-flex;align-items:center;gap:.3rem;align-self:flex-start;background:var(--g100);color:var(--g800);font-weight:800;font-size:.85rem;padding:.15rem .7rem;border-radius:20px}
.gift{background:#fff8d6;border:2px dashed #e6b800;border-radius:12px;padding:.8rem 1rem;color:#5c4400;font-weight:700;text-align:center;margin:1rem 0}

/* ===== FAQ ===== */
.acc{border-bottom:1px solid #d6e4da}
.acc-head{width:100%;display:flex;justify-content:space-between;align-items:center;gap:.6rem;background:none;border:none;font-weight:700;font-size:1.05rem;color:var(--ink);padding:1.1rem 0;text-align:left;cursor:pointer;line-height:1.4}
.acc-head svg{transition:transform .18s;color:var(--g700)}
.acc.open .acc-head svg{transform:rotate(180deg)}
.acc-body{display:none;padding:0 0 1.1rem;font-size:1rem}
.acc.open .acc-body{display:block}
.safety{background:var(--warn-bg);border-left:5px solid var(--warn);border-radius:10px;padding:1rem 1.1rem;margin-top:1.2rem}
.safety h4{display:flex;align-items:center;gap:.4rem;color:var(--warn);font-weight:800;margin-bottom:.3rem}
.safety ul{padding-left:1.1rem;font-size:.97rem}

/* ===== Đặt hàng ===== */
.order{background:linear-gradient(180deg,var(--g800),var(--g900));color:#fff;padding:2.4rem 0 2rem}
.order .h2{color:#fff}
.order .h2 em{color:var(--gold)}
.order-grid{display:grid;gap:1.4rem;grid-template-columns:minmax(0,1fr);margin-top:1rem}
.form-card{background:#fff;color:var(--ink);border-radius:18px;padding:1.4rem 1.2rem 1.5rem;box-shadow:0 18px 40px rgba(0,0,0,.25)}
.form-card h3{text-align:center;font-weight:800;font-size:1.25rem;color:var(--g800);margin-bottom:1rem}
.fg{margin-bottom:1rem}
.fg>label:not(.pkg),.fg>.lab{display:block;font-weight:700;font-size:.95rem;margin-bottom:.35rem}
.fg input[type=text],.fg input[type=tel],.fg select,.fg textarea{width:100%;padding:.9rem 1rem;border:2px solid #cfdcd3;border-radius:12px;background:#fff;color:var(--ink);font-family:inherit;font-size:16px}
.fg textarea{min-height:76px;resize:vertical}
.fg input:focus,.fg select:focus,.fg textarea:focus{outline:none;border-color:var(--g700);box-shadow:0 0 0 3px rgba(21,128,61,.15)}
.fg input.error,.fg select.error{border-color:#d92d20}
.fg .err{display:none;color:#d92d20;font-size:.84rem;font-weight:600;margin-top:.25rem}
.fg.has-error .err{display:block}
.pkg{display:flex;gap:.7rem;align-items:flex-start;border:2px solid #cfdcd3;border-radius:12px;padding:.8rem .9rem;margin-bottom:.55rem;cursor:pointer;font-size:.97rem;line-height:1.4;transition:border-color .2s,background .2s}
.pkg input{margin-top:3px;width:21px;height:21px;accent-color:var(--g700);flex-shrink:0}
.pkg:has(input:checked){border-color:var(--g700);background:var(--g50)}
.pkg .pk-t{flex:1;min-width:0}
.pkg .pk-t b{color:var(--g800)}
.pkg .pk-p{text-align:right;white-space:nowrap;line-height:1.2}
.pkg .pk-p s{display:block;color:#8a928d;font-size:.8rem}
.pkg .pk-p b{color:var(--sale);font-size:1.1rem}
.row2{display:grid;grid-template-columns:1fr 110px;gap:.8rem}
.hp-field{position:absolute;left:-9999px;opacity:0;pointer-events:none}
.total{display:flex;align-items:center;justify-content:space-between;background:var(--g100);border-radius:12px;padding:.85rem 1rem;margin-bottom:1rem;font-weight:600}
.total small{display:block;color:var(--muted);font-weight:400;font-size:.8rem}
.total strong{color:var(--sale);font-size:1.6rem;font-weight:800}
.total .sv{display:block;color:var(--g800);font-size:.8rem;font-weight:700;text-align:right}
.form-card .btn-cta{max-width:none}
.form-note{text-align:center;color:var(--muted);font-size:.9rem;margin-top:.9rem}
.side-card{background:rgba(255,255,255,.1);border-radius:18px;padding:1.3rem 1.2rem}
.side-card h3{font-weight:800;font-size:1.2rem;margin-bottom:.8rem;text-align:center}
.side-list{list-style:none;margin:.8rem 0 1rem}
.side-list li{display:flex;gap:.6rem;padding:.3rem 0;font-size:.98rem}
.side-list svg{color:var(--gold);margin-top:5px;width:1.1em;height:1.1em;stroke-width:2.6}
.contact-row{display:flex;align-items:center;gap:.8rem;background:rgba(255,255,255,.12);border-radius:14px;padding:.8rem 1rem;margin-bottom:.6rem;text-decoration:none;color:#fff;font-weight:800;font-size:1.08rem;animation:bob 1.5s ease-in-out infinite}
.contact-row+.contact-row{animation-delay:.3s}
.contact-row .ic{width:42px;height:42px;border-radius:50%;background:#fff;color:var(--g700);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem}
.contact-row .ic.z{background:var(--zalo);color:#fff;border-radius:12px}
.contact-row small{display:block;font-weight:400;font-size:.82rem;opacity:.88}

/* ===== Footer ===== */
footer.foot{background:var(--g900);color:#cfe3d4;padding:1.6rem 16px 1.8rem;text-align:center}
.footer-brand{color:#fff;font-weight:800;font-size:1.2rem}
.footer-links{display:flex;gap:1.4rem;justify-content:center;flex-wrap:wrap;margin:.7rem 0}
.footer-links a{font-size:.9rem;color:#cfe3d4;text-decoration:none}
.footer-links a:hover{color:#fff}
.disc{font-size:.8rem;opacity:.85;margin:.4rem auto;max-width:760px}

/* ===== Trang xác nhận đơn + cảm ơn ===== */
.flow{background:var(--g50);padding:1.4rem 0 2.2rem;min-height:70vh}
.stepper{display:flex;justify-content:center;gap:.4rem;margin:0 auto 1.4rem;max-width:560px}
.stepper .s{flex:1;text-align:center;font-size:.8rem;font-weight:700;color:var(--muted)}
.stepper .s i{display:flex;align-items:center;justify-content:center;width:34px;height:34px;margin:0 auto .25rem;border-radius:50%;background:#dfe9e2;color:var(--muted);font-style:normal;font-weight:800}
.stepper .s.done i,.stepper .s.cur i{background:var(--g700);color:#fff}
.stepper .s.cur{color:var(--g800)}
.stepper .s.cur i{box-shadow:0 0 0 5px rgba(21,128,61,.18)}
.flow h1{text-align:center;font-weight:800;color:var(--g800);font-size:1.6rem;line-height:1.3;margin-bottom:.4rem}
.flow .lead{margin-bottom:1.4rem}
.ord-grid{display:grid;gap:1.1rem;grid-template-columns:minmax(0,1fr);max-width:960px;margin:0 auto}
.ocard{background:#fff;border-radius:16px;padding:1.2rem;box-shadow:0 8px 24px rgba(15,76,36,.1)}
.ocard h2{display:flex;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:800;color:var(--g800);margin-bottom:.8rem}
.kv{display:grid;gap:.1rem;margin:0}
.kv>div{display:flex;gap:.8rem;padding:.65rem 0;border-bottom:1px dashed var(--g200)}
.kv>div:last-child{border-bottom:none}
.kv dt{flex:0 0 140px;color:var(--muted);font-size:.92rem;display:flex;align-items:flex-start;gap:.4rem}
.kv dt svg{margin-top:4px;color:var(--g700);width:1.05em;height:1.05em}
.kv dd{flex:1;min-width:0;font-weight:700;color:var(--ink);word-break:break-word}
.kv dd.soft{font-weight:500}
.sum-pkg{background:var(--g50);border-radius:12px;padding:.9rem 1rem;margin-bottom:.8rem}
.sum-pkg b{display:block;color:var(--g900);font-size:1.05rem;line-height:1.35}
.sum-pkg span{color:var(--muted);font-size:.9rem}
.sum-line{display:flex;justify-content:space-between;gap:1rem;padding:.4rem 0;font-size:.98rem}
.sum-line s{color:#8a928d}
.sum-line .free{color:var(--g700);font-weight:800}
.sum-line .disc-v{color:var(--sale);font-weight:700}
.sum-total{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;margin-top:.5rem;padding:.9rem 1rem;background:var(--g100);border-radius:12px;font-weight:800}
.sum-total span{white-space:nowrap}
.sum-total strong{color:var(--sale);font-size:1.8rem}
.ack{display:flex;gap:.6rem;background:var(--cream);border:1px solid #f2dd8a;border-radius:12px;padding:.85rem 1rem;font-size:.95rem;margin-top:1rem}
.ack svg{color:#b07d00;margin-top:3px}
.confirm-actions{display:grid;gap:.8rem;justify-items:center;margin-top:1.2rem}
.confirm-actions .btn-cta{max-width:none}
.back-edit{display:inline-flex;align-items:center;gap:.4rem;color:var(--g800);font-weight:700;text-decoration:none;padding:.5rem}
.back-edit:hover{text-decoration:underline}
.empty-order{text-align:center;padding:2rem 1rem}
.thanks-card{max-width:640px;margin:0 auto;background:#fff;border-radius:20px;padding:2rem 1.3rem;text-align:center;box-shadow:0 12px 32px rgba(15,76,36,.12)}
.tick{width:92px;height:92px;margin:0 auto 1rem;border-radius:50%;background:var(--g700);color:#fff;display:flex;align-items:center;justify-content:center;animation:pop .6s cubic-bezier(.2,1.4,.4,1) both}
.tick svg{width:52px;height:52px;stroke-width:2.4;stroke-dasharray:30;stroke-dashoffset:30;animation:draw .5s .35s ease forwards}
@keyframes pop{0%{transform:scale(0)}100%{transform:scale(1)}}
@keyframes draw{to{stroke-dashoffset:0}}
.thanks-card h1{font-size:1.65rem;color:var(--g800);margin-bottom:.4rem}
.order-no{display:inline-block;margin:.5rem 0 1rem;background:var(--g100);color:var(--g800);font-weight:800;padding:.35rem 1rem;border-radius:30px;letter-spacing:.5px}
.next-steps{text-align:left;margin:1.2rem 0;display:grid;gap:.6rem}
.next-steps li{list-style:none;display:flex;gap:.7rem;align-items:flex-start;background:var(--g50);border-radius:12px;padding:.75rem .9rem}
.next-steps .n{flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:var(--g700);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.95rem}
.thanks-card .sum-total{margin-bottom:1rem}
.thanks-actions{display:grid;gap:.7rem;justify-items:center;margin-top:1rem}

/* ===== Responsive ===== */
@media(min-width:700px){
  .sec{padding:3.2rem 0}
  .h2{font-size:2rem}
  .pain-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ver-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pcards{grid-template-columns:repeat(3,minmax(0,1fr))}
  .dual{grid-template-columns:repeat(2,minmax(0,1fr))}
  .media-row{overflow:visible;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .media-row .media{flex:none}
  .trust-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .proof-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ord-grid{grid-template-columns:1.1fr .9fr}
}
@media(min-width:900px){
  body{font-size:18px;padding-bottom:104px}
  :root{--hh:72px}
  .hero{padding:2rem 0 3.4rem}
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-areas:"gal head" "gal buy";grid-template-rows:auto 1fr;gap:1rem 3rem;align-items:start}
  .hero-head{text-align:left}
  .hero h1{font-size:2.35rem}
  .hero .sub{font-size:1.15rem}
  .hero-gal{position:sticky;top:calc(var(--hh) + 20px)}
  .pain-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .steps-wrap{grid-template-columns:1fr 1fr;gap:3rem}
  .order-grid{grid-template-columns:1.15fr .85fr;gap:2rem}
  .g-thumb{flex-basis:76px;height:76px}
  .btn-cta{font-size:1.25rem}
}
@media(min-width:960px){
  .nav{display:flex}
  .menu-btn{display:none}
  .head-in{padding:0 20px}
}
@media(min-width:1100px){
  body{font-size:18px}
  .h2{font-size:2.2rem}
  .hero h1{font-size:2.6rem}
}
@media(max-width:390px){
  .hero h1{font-size:1.55rem}
  .h2{font-size:1.4rem}
  .cd-row div{min-width:58px}
  .prow .new{font-size:1.3rem}
  .dock{gap:9px}
  .dock-call,.dock-zalo{flex-basis:52px;width:52px;height:52px}
  .dock .btn-cta{font-size:1rem}
}
@media(max-width:640px){
  .kv>div{flex-direction:column;gap:.1rem}
  .kv dt{flex:none}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .rv{opacity:1;transform:none}
}

/* ===== Dùng khi nào - công dụng - USP ===== */
.use-grid{display:grid;gap:1.4rem;grid-template-columns:minmax(0,1fr);align-items:center}
.use-info{display:grid;gap:1rem}
.blk{background:var(--g50);border-radius:16px;padding:1.2rem}
.blk-title{font-size:1.2rem;font-weight:800;color:var(--g800);margin-bottom:.6rem}
.blk-title.center{text-align:center}
.tick-list{list-style:none}
.tick-list li{display:flex;gap:.6rem;padding:.3rem 0;font-size:1rem;line-height:1.5}
.tick-list svg{color:var(--g700);margin-top:4px;width:1.15em;height:1.15em;stroke-width:2.6}
.mini{font-size:.82rem;color:var(--muted);margin-top:.5rem}
.usp-grid{display:grid;gap:.8rem;grid-template-columns:1fr 1fr}
.usp{background:#fff;border:1px solid var(--g200);border-radius:14px;padding:1rem .9rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:.25rem}
.usp .bi{width:48px;height:48px;border-radius:14px;background:var(--g100);color:var(--g700);display:flex;align-items:center;justify-content:center;margin-bottom:.2rem}
.usp .bi svg{width:26px;height:26px}
.usp b{color:var(--g900);line-height:1.35;font-size:1rem}
.usp>span:last-child{font-size:.88rem;color:var(--muted);line-height:1.45}
@media(min-width:700px){.usp-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(min-width:900px){.use-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:2.4rem}}

/* ===== Tối ưu tải trang: hoãn dựng các khối ngoài màn hình ===== */
.sec{content-visibility:auto;contain-intrinsic-size:auto 900px}
footer.foot{content-visibility:auto;contain-intrinsic-size:auto 260px}
img{background:#eef3ef}
.g-slide img{aspect-ratio:1/1}