/* HQTD High-end Simulation Topic · V10.3 */
.hqtd-highsim-section{padding:70px 0 76px;background:linear-gradient(180deg,#fff 0%,#f5f9fd 100%);border-top:1px solid #e2ebf2;border-bottom:1px solid #e2ebf2;scroll-margin-top:110px}
.hqtd-highsim-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:26px;flex-wrap:wrap}.hqtd-highsim-head>div:first-child{max-width:780px}.hqtd-highsim-kicker{display:block;color:#0a6bbb;font-size:12px;font-weight:900;letter-spacing:2.2px}.hqtd-highsim-head h2,.hqtd-highsim-head h1{margin:8px 0 8px;color:#173754;font-size:38px;line-height:1.18}.hqtd-highsim-head p{margin:0;color:#62798c;font-size:14px;line-height:1.8}.hqtd-highsim-head-link{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border:1px solid #bdd4e6;border-radius:9px;background:#fff;color:#0756a3;text-decoration:none;font-size:13px;font-weight:900}
.hqtd-highsim-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.hqtd-highsim-card{--accent:#1768c5;display:flex;flex-direction:column;overflow:hidden;border:1px solid #d9e5ee;border-radius:15px;background:#fff;box-shadow:0 13px 34px rgba(25,64,96,.08);min-width:0;transition:transform .2s ease,box-shadow .2s ease}.hqtd-highsim-card:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(25,64,96,.14)}.hqtd-highsim-card:nth-child(2){--accent:#267f72}.hqtd-highsim-card:nth-child(3){--accent:#6b58c9}.hqtd-highsim-media{height:310px;display:flex;align-items:center;justify-content:center;padding:13px;background:linear-gradient(180deg,#f7fafc,#eef4f8);border-bottom:1px solid #e3ebf1;overflow:hidden}.hqtd-highsim-media img{display:block;max-width:100%;max-height:100%;object-fit:contain;object-position:center}.hqtd-highsim-card.case-wide .hqtd-highsim-media img{width:100%;height:auto}.hqtd-highsim-copy{display:flex;flex-direction:column;flex:1;padding:21px 21px 19px}.hqtd-highsim-en{color:var(--accent);font-size:10px;font-weight:900;letter-spacing:1.6px}.hqtd-highsim-copy h3{margin:9px 0 9px;color:#173754;font-size:21px;line-height:1.4}.hqtd-highsim-copy>p{margin:0;color:#657a8d;font-size:13px;line-height:1.75}.hqtd-highsim-journal{margin-top:12px;color:#536d84;font-size:11px;font-weight:800}.hqtd-highsim-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.hqtd-highsim-tags span{padding:5px 8px;border-radius:999px;background:#f0f5fa;color:#486780;font-size:10px;font-weight:800}.hqtd-highsim-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:17px}.hqtd-highsim-actions a,.hqtd-highsim-actions button{min-height:38px;padding:0 11px;border-radius:8px;font-size:11px;font-weight:900;cursor:pointer;text-decoration:none}.hqtd-highsim-actions .primary{display:inline-flex;align-items:center;background:var(--accent);border:1px solid var(--accent);color:#fff}.hqtd-highsim-actions .secondary{background:#fff;border:1px solid #c9d9e5;color:#31536e}.hqtd-highsim-actions .submit{background:#f4f8fb;border:1px solid #c9d9e5;color:#173754}
.hqtd-highsim-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:20px;padding:16px 18px;border:1px solid #d9e5ee;border-radius:12px;background:#fff}.hqtd-highsim-strip span{color:#60788d;font-size:12px}.hqtd-highsim-strip strong{color:#173754}.hqtd-highsim-strip a{color:#0756a3;font-size:12px;font-weight:900;text-decoration:none;white-space:nowrap}
/* floating promo: environment-topic style, fixed on left */
/* V10.1 left floating high-end simulation hub — mirrors environment topic window */
.highsim-floating-hub-v103{position:fixed;left:24px;top:122px;z-index:2090;width:min(560px,calc(100vw - 36px));padding:18px 18px 14px;border:1px solid #d9e4ee;border-radius:18px;background:rgba(250,252,254,.98);color:#173854;box-shadow:0 22px 58px rgba(16,59,99,.20);backdrop-filter:blur(8px)}.highsim-floating-hub-v103[hidden],.highsim-floating-reopen-v103[hidden]{display:none!important}.highsim-floating-close{position:absolute;right:12px;top:12px;width:36px;height:36px;border:1px solid #d8e4ef;border-radius:50%;background:#fff;color:#5b7185;font-size:24px;line-height:1;cursor:pointer;box-shadow:0 8px 20px rgba(12,47,84,.08)}.highsim-floating-panel-head{padding:4px 44px 8px 2px}.highsim-floating-panel-kicker{display:block;margin-bottom:6px;color:#4c87b1;font-size:10px;font-weight:900;letter-spacing:2px}.highsim-floating-panel-head h2{margin:0!important;color:#173854!important;font-size:32px!important;line-height:1.18!important;letter-spacing:-.4px!important}.highsim-floating-panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:8px}.highsim-floating-topic-card{--sim-float-accent:#1768c5;position:relative;display:flex;flex-direction:column;min-height:172px;padding:14px 14px 13px;border:1px solid #dce6ef;border-radius:14px;background:linear-gradient(180deg,#fff 0%,#f8fbfd 100%);text-decoration:none;box-shadow:0 8px 22px rgba(18,58,95,.06);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.highsim-floating-topic-card:before{content:'';position:absolute;left:0;top:0;right:0;height:4px;border-radius:14px 14px 0 0;background:var(--sim-float-accent)}.highsim-floating-topic-card:hover{transform:translateY(-3px);box-shadow:0 15px 30px rgba(18,58,95,.11);border-color:#cddbe7}.highsim-floating-topic-card.highsim-blue{--sim-float-accent:#1f6fd6}.highsim-floating-topic-card.highsim-cyan{--sim-float-accent:#1f8f88}.highsim-floating-topic-card.highsim-violet{--sim-float-accent:#7063d8}.highsim-floating-topic-card.highsim-amber{--sim-float-accent:#c58a2b}.highsim-floating-topic-en{display:block;margin-top:2px;color:var(--sim-float-accent);font-size:10px;font-weight:900;letter-spacing:1.55px}.highsim-floating-topic-card h3{margin:10px 0 8px;color:#173854;font-size:16px;line-height:1.42}.highsim-floating-topic-card p{margin:0;color:#6a7e90;font-size:12px;line-height:1.65}.highsim-floating-chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:11px}.highsim-floating-chip-row span{padding:4px 7px;border:1px solid #d8e3ed;border-radius:999px;background:#fff;color:#587082;font-size:10px;font-weight:800}.highsim-floating-topic-card strong{display:inline-flex;align-items:center;margin-top:10px;color:var(--sim-float-accent);font-size:12px;font-weight:900}.highsim-floating-panel-tip{margin-top:10px;padding:0 4px;color:#71879a;font-size:11px;line-height:1.5}.highsim-floating-reopen-v103{position:fixed;left:24px;top:145px;z-index:2088;min-width:170px;padding:11px 14px;border:1px solid #d9e4ee;border-radius:12px;background:rgba(250,252,254,.98);color:#173854;text-align:left;box-shadow:0 16px 38px rgba(5,54,96,.17);cursor:pointer}.highsim-floating-reopen-v103 strong{display:block;font-size:13px}.highsim-floating-reopen-v103 small{display:block;margin-top:3px;color:#6e8798;font-size:10px}.hqtd-highsim-custom-home{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:20px;padding:20px 22px;border:1px solid #d9e5ee;border-radius:14px;background:linear-gradient(135deg,#f8fbff,#fff);box-shadow:0 9px 26px rgba(25,64,96,.05)}.hqtd-highsim-custom-home>div:first-child{max-width:760px}.hqtd-highsim-custom-home h3{margin:7px 0 7px;color:#173754;font-size:21px}.hqtd-highsim-custom-home p{margin:0;color:#657a8d;font-size:13px;line-height:1.7}.hqtd-highsim-custom-home-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.hqtd-highsim-custom-home-actions a,.hqtd-highsim-custom-home-actions button{min-height:39px;padding:0 13px;border-radius:8px;font-size:11px;font-weight:900;text-decoration:none;cursor:pointer}.hqtd-highsim-custom-home-actions a{display:inline-flex;align-items:center;background:#173754;color:#fff;border:1px solid #173754}.hqtd-highsim-custom-home-actions button{background:#fff;color:#31536e;border:1px solid #c9d9e5}.highsim-custom-section{padding:30px 0 10px;background:#f8fbfd;scroll-margin-top:110px}.highsim-custom-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:24px 26px;border:1px solid #d9e5ee;border-radius:16px;background:#fff;box-shadow:0 12px 30px rgba(25,64,96,.06)}.highsim-custom-copy{max-width:800px}.highsim-custom-copy h2{margin:7px 0 9px;color:#173754;font-size:28px}.highsim-custom-copy p{margin:0;color:#657a8d;line-height:1.78}.highsim-custom-actions{display:flex;gap:9px;flex-wrap:wrap}.highsim-custom-actions button{min-height:42px;padding:0 15px;border-radius:8px;font-size:12px;font-weight:900;cursor:pointer}.highsim-custom-actions .add{background:#fff;border:1px solid #cbdbe7;color:#31536f}.highsim-custom-actions .submit{background:#0756a3;border:1px solid #0756a3;color:#fff}@media(max-width:1050px){.hqtd-highsim-custom-home,.highsim-custom-box{align-items:flex-start;flex-direction:column}.hqtd-highsim-custom-home-actions{justify-content:flex-start}}@media(max-width:820px){.highsim-floating-hub-v103{top:92px;left:12px;bottom:auto;width:calc(100vw - 24px);padding:16px 14px 12px;border-radius:16px}.highsim-floating-panel-head h2{font-size:24px!important}.highsim-floating-panel-grid{grid-template-columns:1fr 1fr;gap:9px}.highsim-floating-topic-card{min-height:150px;padding:12px}.highsim-floating-topic-card p{font-size:11px}.highsim-floating-reopen-v103{top:92px;left:12px;bottom:auto;min-width:155px}}@media(max-width:560px){.highsim-floating-panel-grid{grid-template-columns:1fr 1fr}.highsim-floating-topic-card h3{font-size:14px}.highsim-floating-chip-row{display:none}.highsim-floating-panel-tip{display:none}.hqtd-highsim-custom-home,.highsim-custom-box{padding:18px}}
/* standalone page */
.highsim-page-hero{padding:72px 0 52px;background:linear-gradient(135deg,#f6faff,#eef5fb);border-bottom:1px solid #dfe9f1}.highsim-page-hero .container{max-width:1180px}.highsim-page-hero h1{margin:8px 0 12px;color:#143653;font-size:46px;line-height:1.15}.highsim-page-hero p{max-width:840px;color:#61798e;line-height:1.85}.highsim-page-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.highsim-page-nav a{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid #d4e2ec;color:#31536f;text-decoration:none;font-size:12px;font-weight:800}.highsim-category{padding:58px 0;border-bottom:1px solid #e4ecf2;scroll-margin-top:100px}.highsim-category:nth-child(even){background:#f8fbfd}.highsim-category-head{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:22px;flex-wrap:wrap}.highsim-category-head h2{margin:5px 0 0;color:#173754;font-size:30px}.highsim-category-head p{max-width:680px;margin:0;color:#667c90;line-height:1.75}.highsim-paper-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.highsim-paper-card{display:flex;flex-direction:column;padding:20px;border:1px solid #dbe5ed;border-radius:13px;background:#fff;box-shadow:0 9px 24px rgba(25,64,96,.055)}.highsim-paper-meta{display:flex;justify-content:space-between;gap:10px;align-items:center;color:#6c8193;font-size:10px;font-weight:800}.highsim-paper-card h3{margin:10px 0 5px;color:#173754;font-size:18px;line-height:1.45}.highsim-paper-title{color:#607489;font-size:11px;line-height:1.55}.highsim-paper-card>p{color:#63798c;font-size:12px;line-height:1.7}.highsim-paper-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:12px}.highsim-paper-actions a{padding:7px 10px;border-radius:7px;border:1px solid #cbdbe7;color:#23587f;text-decoration:none;font-size:10px;font-weight:900}.highsim-topic-actionbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:18px}.highsim-topic-actionbar button{padding:10px 14px;border-radius:8px;font-size:12px;font-weight:900;cursor:pointer}.highsim-topic-actionbar .add{background:#fff;border:1px solid #cbdbe7;color:#31536f}.highsim-topic-actionbar .submit{background:#0756a3;border:1px solid #0756a3;color:#fff}.hqtd-highsim-toast{position:fixed;left:50%;bottom:26px;z-index:9999;transform:translateX(-50%) translateY(20px);opacity:0;padding:10px 14px;border-radius:8px;background:#183c5c;color:#fff;font-size:12px;font-weight:800;transition:.2s}.hqtd-highsim-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:960px){.hqtd-highsim-grid{grid-template-columns:1fr}.hqtd-highsim-media{height:330px}.highsim-paper-grid{grid-template-columns:1fr}.hqtd-highsim-float{bottom:82px}.highsim-page-hero h1{font-size:36px}}
@media(max-width:620px){.hqtd-highsim-section{padding:52px 0}.hqtd-highsim-head h2,.hqtd-highsim-head h1{font-size:30px}.hqtd-highsim-media{height:270px}.hqtd-highsim-strip{align-items:flex-start;flex-direction:column}.hqtd-highsim-float{left:12px;bottom:86px;width:calc(100vw - 24px)}.hqtd-highsim-float-reopen{left:12px;bottom:86px}.highsim-page-hero{padding:54px 0 38px}.highsim-page-hero h1{font-size:32px}.highsim-category{padding:42px 0}}


/* V10.3 premium refinement */
.hqtd-highsim-section{background:linear-gradient(180deg,#ffffff 0%,#f7fafc 58%,#f3f7fb 100%)}
.hqtd-highsim-head{margin-bottom:30px}.hqtd-highsim-head h2{letter-spacing:-.6px}.hqtd-highsim-head p{max-width:760px;color:#60758a}
.hqtd-highsim-card{border-radius:13px;box-shadow:0 12px 30px rgba(25,64,96,.065)}
.hqtd-highsim-card:hover{transform:translateY(-3px);box-shadow:0 20px 42px rgba(25,64,96,.12)}
.hqtd-highsim-media{background:#f7f9fb}.hqtd-highsim-copy{padding:20px 21px 19px}
.hqtd-highsim-scope{margin:13px 0 0;padding:10px 0;border-top:1px solid #e8eef3;border-bottom:1px solid #e8eef3;color:#37556e;font-size:11px;font-weight:800;line-height:1.65}
.hqtd-highsim-journal{margin-top:11px;color:#718397;font-weight:700}
.hqtd-highsim-strip{background:transparent;border-color:#dfe8ef;box-shadow:none}.hqtd-highsim-strip span{line-height:1.7}.hqtd-highsim-strip strong{font-weight:900}

/* standalone hero: quieter, more premium */
.highsim-page-hero{padding:76px 0 52px;background:radial-gradient(circle at 85% 18%,rgba(22,104,197,.08),transparent 31%),linear-gradient(180deg,#f8fbff,#ffffff);border-bottom:1px solid #e2eaf1}
.highsim-page-hero .container{max-width:1180px}.highsim-page-hero h1{margin:9px 0 12px;color:#143754;font-size:48px;line-height:1.1;letter-spacing:-1.3px}.highsim-page-hero>div>p{max-width:760px;margin:0;color:#60758a;font-size:17px;line-height:1.75}
.highsim-hero-methods{display:flex;flex-wrap:wrap;gap:8px;margin-top:21px}.highsim-hero-methods span{padding:7px 10px;border:1px solid #d8e4ed;border-radius:999px;background:#fff;color:#42617c;font-size:11px;font-weight:900;letter-spacing:.3px}
.highsim-hero-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.highsim-hero-actions a,.highsim-hero-actions button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 15px;border:1px solid #cad9e4;border-radius:8px;background:#fff;color:#31536e;text-decoration:none;font-size:12px;font-weight:900;cursor:pointer}.highsim-hero-actions .primary{background:#0756a3;border-color:#0756a3;color:#fff}
.highsim-page-nav{margin-top:26px;padding-top:18px;border-top:1px solid #e4ebf1}

.highsim-category{padding:58px 0;scroll-margin-top:108px}.highsim-category:nth-of-type(even){background:#fafcfd}.highsim-category-head{align-items:flex-end}.highsim-category-head h2{letter-spacing:-.4px}.highsim-category-head p{max-width:620px}
.highsim-question-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:14px 0 18px}.highsim-question-row strong{margin-right:2px;color:#163c5d;font-size:11px;letter-spacing:.5px}.highsim-question-row span{padding:6px 9px;border:1px solid #dbe5ec;border-radius:999px;background:#fff;color:#5a7186;font-size:10px;font-weight:800}
.highsim-topic-actionbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.highsim-topic-actionbar button{min-height:38px;padding:0 12px;border-radius:7px;font-size:11px;font-weight:900;cursor:pointer}.highsim-topic-actionbar .wechat{background:#edf7f4;border:1px solid #bcdcd2;color:#1c6b5d}
.highsim-paper-card{border-radius:12px;box-shadow:0 10px 27px rgba(25,64,96,.055)}.highsim-paper-card h3{letter-spacing:-.1px}.highsim-paper-title{color:#60758a}.highsim-paper-actions a:first-child{background:#173754;border-color:#173754;color:#fff}.highsim-paper-actions a:last-child{background:#fff;color:#526d82}

/* trust band */
.highsim-trust-band{padding:24px 0;background:#102f49;color:#fff}.highsim-trust-band .container{display:flex;align-items:center;justify-content:space-between;gap:24px}.highsim-trust-band span{font-size:10px;font-weight:900;letter-spacing:1.8px;color:#93c5ed}.highsim-trust-band div div{font-size:13px;font-weight:700;line-height:1.7;color:#eaf3f9}.highsim-trust-band b{padding:0 6px;color:#6ea6d0}

/* custom advanced solution */
.hqtd-highsim-custom-home{border-radius:12px;background:linear-gradient(135deg,#f8fbff 0%,#ffffff 60%,#fbf8f1 100%);border-color:#dbe5ec}.hqtd-highsim-custom-home h3{font-size:22px}.hqtd-highsim-custom-home-actions a{background:#173754;border-color:#173754}
.highsim-custom-section{padding:52px 0;background:#f6f9fb;scroll-margin-top:108px}.highsim-custom-box{position:relative;overflow:hidden;border-radius:15px;padding:30px 32px;background:linear-gradient(135deg,#ffffff 0%,#f8fbff 65%,#fffaf1 100%)}.highsim-custom-box:before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:#c58a2b}.highsim-custom-copy h2{font-size:30px;letter-spacing:-.4px}.highsim-custom-actions .wechat{background:#edf7f4;border:1px solid #bcdcd2;color:#1c6b5d}

/* explicit enterprise WeChat consultation on detail page */
.highsim-contact-section{padding:58px 0 68px;background:#fff}.highsim-contact-panel{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:42px;align-items:center;padding:34px 38px;border:1px solid #dbe5ed;border-radius:16px;background:linear-gradient(135deg,#f8fbff,#fff);box-shadow:0 16px 40px rgba(20,57,87,.07)}.highsim-contact-copy h2{margin:8px 0 10px;color:#173754;font-size:30px}.highsim-contact-copy>p{max-width:780px;margin:0;color:#60758a;line-height:1.8}.highsim-contact-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:20px}.highsim-contact-steps span{padding:12px 13px;border:1px solid #e0e8ee;border-radius:10px;background:#fff;color:#4f687c;font-size:11px;line-height:1.55}.highsim-contact-steps b{display:block;margin-bottom:4px;color:#0a6bbb;font-size:11px}.highsim-contact-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.highsim-contact-links button,.highsim-contact-links a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 13px;border:1px solid #cbdbe6;border-radius:8px;background:#fff;color:#31536e;text-decoration:none;font-size:11px;font-weight:900;cursor:pointer}.highsim-contact-links button{background:#0756a3;border-color:#0756a3;color:#fff}.highsim-contact-qr{text-align:center}.highsim-contact-qr img{display:block;width:190px;height:190px;object-fit:contain;margin:0 auto 10px;padding:8px;border:1px solid #dce6ed;border-radius:12px;background:#fff}.highsim-contact-qr strong,.highsim-contact-qr small{display:block}.highsim-contact-qr strong{color:#173754;font-size:13px}.highsim-contact-qr small{margin-top:5px;color:#718596;font-size:10px;line-height:1.5}

/* floating panel tuned to coexist with the environment panel */
.highsim-floating-hub-v103{max-height:calc(100vh - 146px);overflow:auto;width:min(530px,calc(100vw - 36px))}.highsim-floating-reopen-v103{left:24px}
@media(max-width:1050px){.highsim-trust-band .container{align-items:flex-start;flex-direction:column}.highsim-contact-panel{grid-template-columns:1fr}.highsim-contact-qr{text-align:left}.highsim-contact-qr img{margin:0 0 10px}.highsim-contact-steps{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:820px){.highsim-page-hero{padding:55px 0 40px}.highsim-page-hero h1{font-size:38px}.highsim-contact-panel{padding:24px}.highsim-contact-steps{grid-template-columns:1fr}.highsim-floating-hub-v103{left:12px;top:92px;width:calc(100vw - 24px);max-height:calc(100vh - 112px)}.highsim-floating-reopen-v103{left:12px;top:92px}.highsim-contact-qr{text-align:center}.highsim-contact-qr img{margin:0 auto 10px}}